Merge pull request #3058 from proddy/core3

small adjustments

.github/workflows/dev_release.yml

@@ -77,3 +77,23 @@ jobs:
           files: |
             CHANGELOG_LATEST.md
             ./build/firmware/*.*
+
+      - name: Update version in Cloudflare KV store
+        if: github.repository == 'emsesp/EMS-ESP32'
+        env:
+          CF_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}
+          CF_NAMESPACE_ID: ${{ secrets.CF_NAMESPACE_ID }}
+          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
+          VERSION: ${{ steps.build_info.outputs.VERSION }}
+        run: |
+          JSON_DATA=$(jq -n \
+            --arg version "$VERSION" \
+            --arg date "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+            '{version: $version, date: $date}')
+          echo "JSON_DATA: $JSON_DATA"
+          curl -sS --fail-with-body \
+            -X PUT "https://api.cloudflare.com/client/v4/accounts/${CF_ACCOUNT_ID}/storage/kv/namespaces/${CF_NAMESPACE_ID}/values/dev" \
+            -H "Authorization: Bearer ${CF_API_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "$JSON_DATA"
+          echo

.github/workflows/stable_release.yml

@@ -31,6 +31,13 @@ jobs:
       - name: Enable Corepack
         run: corepack enable pnpm
 
+
+      - name: Get the EMS-ESP version
+        id: build_info
+        run: |
+          version=`grep -E '^#define EMSESP_APP_VERSION' ./src/emsesp_version.h | awk -F'"' '{print $2}'`
+          echo "VERSION=$version" >> $GITHUB_OUTPUT
+
       - name: Install PlatformIO
         run: |
           python -m pip install --upgrade pip
@@ -61,3 +68,23 @@ jobs:
           files: |
             CHANGELOG.md
             ./build/firmware/*.*
+
+      - name: Update version in Cloudflare KV store
+        if: github.repository == 'emsesp/EMS-ESP32'
+        env:
+          CF_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}
+          CF_NAMESPACE_ID: ${{ secrets.CF_NAMESPACE_ID }}
+          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
+          VERSION: ${{ steps.build_info.outputs.VERSION }}
+        run: |
+          JSON_DATA=$(jq -n \
+            --arg version "$VERSION" \
+            --arg date "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+            '{version: $version, date: $date}')
+          echo "JSON_DATA: $JSON_DATA"
+          curl -sS --fail-with-body \
+            -X PUT "https://api.cloudflare.com/client/v4/accounts/${CF_ACCOUNT_ID}/storage/kv/namespaces/${CF_NAMESPACE_ID}/values/stable" \
+            -H "Authorization: Bearer ${CF_API_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "$JSON_DATA"
+          echo

.github/workflows/update_versions.yml

@@ -0,0 +1,40 @@
+name: 'Update versions'
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  update-version:
+    name: 'Update versions in Cloudflare KV store'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      - name: Get and Send EMS-ESP version to Cloudflare
+        env:
+          CF_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}
+          CF_NAMESPACE_ID: ${{ secrets.CF_NAMESPACE_ID }}
+          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
+        run: |
+          version=$(grep -E '^#define EMSESP_APP_VERSION' ./src/emsesp_version.h | awk -F'"' '{print $2}')
+          if [ "$GITHUB_REF" = "refs/heads/main" ]; then
+            KV_ENV="stable"
+          else
+            KV_ENV="dev"
+          fi
+          JSON_DATA=$(jq -n \
+            --arg version "$version" \
+            --arg date "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
+            '{version: $version, date: $date}')
+          echo "KV_ENV: $KV_ENV"
+          echo "JSON_DATA: $JSON_DATA"
+          curl -sS --fail-with-body \
+            -X PUT "https://api.cloudflare.com/client/v4/accounts/${CF_ACCOUNT_ID}/storage/kv/namespaces/${CF_NAMESPACE_ID}/values/${KV_ENV}" \
+            -H "Authorization: Bearer ${CF_API_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "$JSON_DATA"
+          echo

.gitignore

@@ -2,6 +2,7 @@
 .vscode/c_cpp_properties.json
 .vscode/extensions.json
 .vscode/launch.json
+.vscode/settings.json
 
 # c++ compiling
 .clang_complete
@@ -63,7 +64,7 @@ words-found-verbose.txt
 # sonarlint
 compile_commands.json
 
-# pioarduino + hybrid
+# other files
 managed_components
 dependencies.lock
 CMakeLists.txt
@@ -75,3 +76,4 @@ pnpm-lock.yaml
 .cache/
 interface/.tsbuildinfo
 test/test_api/package-lock.json
+.clangd

.vscode/settings.json

@@ -1,101 +0,0 @@
-{
-    "search.exclude": {
-      "**/.yarn": true,
-      "**/.pnp.*": true
-    },
-    "editor.codeActionsOnSave": {
-      "source.fixAll": "explicit"
-    },
-    "eslint.validate": [
-      "typescript"
-    ],
-    "eslint.codeActionsOnSave.rules": null,
-    "eslint.nodePath": "interface/.yarn/sdks",
-    "eslint.workingDirectories": ["interface"],
-    "prettier.prettierPath": "",
-    "typescript.enablePromptUseWorkspaceTsdk": true,
-    "files.associations": {
-      "*.tsx": "typescriptreact",
-      "*.tcc": "cpp",
-      "optional": "cpp",
-      "istream": "cpp",
-      "ostream": "cpp",
-      "ratio": "cpp",
-      "system_error": "cpp",
-      "array": "cpp",
-      "functional": "cpp",
-      "regex": "cpp",
-      "tuple": "cpp",
-      "type_traits": "cpp",
-      "utility": "cpp",
-      "string": "cpp",
-      "string_view": "cpp",
-      "atomic": "cpp",
-      "bitset": "cpp",
-      "cctype": "cpp",
-      "chrono": "cpp",
-      "clocale": "cpp",
-      "cmath": "cpp",
-      "condition_variable": "cpp",
-      "cstdarg": "cpp",
-      "cstddef": "cpp",
-      "cstdint": "cpp",
-      "cstdio": "cpp",
-      "cstdlib": "cpp",
-      "cstring": "cpp",
-      "ctime": "cpp",
-      "cwchar": "cpp",
-      "cwctype": "cpp",
-      "deque": "cpp",
-      "list": "cpp",
-      "unordered_map": "cpp",
-      "unordered_set": "cpp",
-      "vector": "cpp",
-      "exception": "cpp",
-      "algorithm": "cpp",
-      "iterator": "cpp",
-      "map": "cpp",
-      "memory": "cpp",
-      "memory_resource": "cpp",
-      "numeric": "cpp",
-      "random": "cpp",
-      "set": "cpp",
-      "fstream": "cpp",
-      "initializer_list": "cpp",
-      "iomanip": "cpp",
-      "iosfwd": "cpp",
-      "iostream": "cpp",
-      "limits": "cpp",
-      "mutex": "cpp",
-      "new": "cpp",
-      "sstream": "cpp",
-      "stdexcept": "cpp",
-      "streambuf": "cpp",
-      "thread": "cpp",
-      "cinttypes": "cpp",
-      "typeinfo": "cpp"
-    },
-    "todo-tree.filtering.excludeGlobs": [
-      "**/vendor/**",
-      "**/node_modules/**",
-      "**/dist/**",
-      "**/bower_components/**",
-      "**/build/**",
-      "**/.vscode/**",
-      "**/.github/**",
-      "**/_output/**",
-      "**/*.min.*",
-      "**/*.map",
-      "**/ArduinoJson/**"
-    ],
-    "cSpell.enableFiletypes": [
-      "ini",
-      "makefile"
-    ],
-    "typescript.preferences.preferTypeOnlyAutoImports": true,
-    "sonarlint.pathToCompileCommands": "${workspaceFolder}/compile_commands.json",
-    "sonarlint.connectedMode.project": {
-      "connectionId": "emsesp",
-      "projectKey": "emsesp_EMS-ESP32"
-    }
-  }

CHANGELOG_LATEST.md

@@ -2,7 +2,7 @@
 
 For more details go to [emsesp.org](https://emsesp.org/).
 
-## [3.8.2]
+## [3.9.0]
 
 ## Added
 
@@ -12,8 +12,10 @@ For more details go to [emsesp.org](https://emsesp.org/).
 - prometheus metrics for temperature/analog/scheduler/custom [#2962](https://github.com/emsesp/EMS-ESP32/issues/2962)
 - boiler pumpkick [#2965](https://github.com/emsesp/EMS-ESP32/discussions/2965)
 - heatpump reset [#2933](https://github.com/emsesp/EMS-ESP32/issues/2933)
+- e-mail notification using ReadyMail Client
 - 2.nd freshwater module (dhw4, dhw5) [#2991](https://github.com/emsesp/EMS-ESP32/issues/2991)
 - full system backup and restore
+- updated version check [#3047](https://github.com/emsesp/EMS-ESP32/issues/3047)
 
 ## Fixed
 
@@ -31,6 +33,9 @@ For more details go to [emsesp.org](https://emsesp.org/).
 - support `minflowtemp` and `baseflowtemp` [#2969](https://github.com/emsesp/EMS-ESP32/discussions/2969)
 - update version if it is 00.00 in first read [#2981](https://github.com/emsesp/EMS-ESP32/issues/2981)
 - device class for % values [#2980](https://github.com/emsesp/EMS-ESP32/issues/2980)
+- use tasmota core 2026.03.30
+- secure mqtt uses ESP_SSLClient
 - fetch telegrams: set length to fetch [#3017](https://github.com/emsesp/EMS-ESP32/issues/3017)
 - move http client from stack to heap
 - heap optimizations [#3021](https://github.com/emsesp/EMS-ESP32/discussions/3021)
+- refactored network code into a single class [#3052](https://github.com/emsesp/EMS-ESP32/pull/3052)

Makefile

@@ -113,7 +113,7 @@ CXX := /usr/bin/g++
 CPPFLAGS  += $(DEFINES) $(DEFAULTS) $(INCLUDE)
 CPPFLAGS  += -ggdb -g3 -MMD
 CPPFLAGS  += -flto=auto
-CPPFLAGS  += -Wall -Wextra -Werror -Wswitch-enum
+CPPFLAGS  += -Wall -Wextra -Werror -Wno-switch-enum
 CPPFLAGS  += -Wno-unused-parameter -Wno-missing-braces -Wno-vla-cxx-extension
 CPPFLAGS  += -ffunction-sections -fdata-sections -fno-exceptions -fno-rtti -fno-threadsafe-statics
 CPPFLAGS  += -Os -DNDEBUG

boards/c3_mini_4M.json

@@ -5,7 +5,7 @@
       },
       "core": "esp32",
       "extra_flags": [
-        "-DTASMOTA_SDK",
+        "-DNO_TLS_SUPPORT",
         "-DARDUINO_LOLIN_C3_MINI",
         "-DARDUINO_USB_MODE=1",
         "-DARDUINO_USB_CDC_ON_BOOT=1"

boards/s2_4M_P.json

@@ -6,7 +6,7 @@
       "core": "esp32",
       "extra_flags": [
         "-DBOARD_HAS_PSRAM",
-        "-DTASMOTA_SDK",
+        "-DNO_TLS_SUPPORT",
         "-DARDUINO_USB_CDC_ON_BOOT=1",
         "-DARDUINO_USB_MODE=0"
       ],

boards/s3_32M_P.json

@@ -21,7 +21,7 @@
       "arduino",
       "espidf"
     ],
-    "name": "Espressif ESP32-S3 32M Flash OPI PSRAM, 4608KB Code/OTA, 2MB FS",
+    "name": "Tasmota ESP32-S3 32M Flash OPI PSRAM, 4608KB Code/OTA, 2MB FS",
     "upload": {
       "flash_size": "32MB",
       "maximum_ram_size": 327680,

boards/s_16M.json

@@ -1,7 +1,7 @@
 {
     "build": {
       "core": "esp32",
-      "extra_flags": "-DTASMOTA_SDK",
+      "extra_flags": "-DNO_TLS_SUPPORT",
       "f_cpu": "240000000L",
       "f_flash": "40000000L",
       "flash_mode": "dio",
@@ -19,7 +19,7 @@
       "arduino",
       "espidf"
     ],
-    "name": "Espressif ESP32 16M Flash, 4608KB Code/OTA, 2MB FS",
+    "name": "Tasmota ESP32 16M Flash, 4608KB Code/OTA, 2MB FS",
     "upload": {
       "flash_size": "16MB",
       "maximum_ram_size": 327680,

boards/s_16M_P.json

@@ -19,7 +19,7 @@
       "arduino",
       "espidf"
     ],
-    "name": "Espressif ESP32 16M Flash DIO PSRAM, 4608KB Code/OTA, 2MB FS",
+    "name": "Tasmota ESP32 16M Flash DIO PSRAM, 4608KB Code/OTA, 2MB FS",
     "upload": {
       "flash_size": "16MB",
       "maximum_ram_size": 327680,

boards/s_4M.json

@@ -1,7 +1,7 @@
 {
     "build": {
       "core": "esp32",
-      "extra_flags": "-DTASMOTA_SDK",
+      "extra_flags": "-DNO_TLS_SUPPORT",
       "f_cpu": "240000000L",
       "f_flash": "40000000L",
       "flash_mode": "dio",

boards/seeed_xiao_esp32c6.json

@@ -2,6 +2,7 @@
   "build": {
     "core": "esp32",
     "extra_flags": [
+      "-DNO_TLS_SUPPORT",
       "-DARDUINO_XIAO_ESP32C6",
       "-DARDUINO_USB_MODE=1",
       "-DARDUINO_USB_CDC_ON_BOOT=1"

interface/package.json

@@ -1,9 +1,9 @@
 {
   "name": "EMS-ESP",
-  "version": "3.8.2",
+  "version": "3.9.0",
   "description": "EMS-ESP WebUI",
   "homepage": "https://emsesp.org",
-  "author": "proddy, emsesp.org",
+  "author": "emsesp.org",
   "license": "MIT",
   "private": true,
   "type": "module",
@@ -28,14 +28,11 @@
     "@emotion/styled": "^11.14.1",
     "@mui/icons-material": "^9.0.0",
     "@mui/material": "^9.0.0",
-    "@preact/compat": "^18.3.2",
     "@table-library/react-table-library": "4.1.15",
-    "alova": "3.5.1",
+    "alova": "^3.5.1",
     "async-validator": "^4.2.5",
     "etag": "^1.8.1",
-    "formidable": "^3.5.4",
     "jwt-decode": "^4.0.0",
-    "magic-string": "^0.30.21",
     "mime-types": "^3.0.2",
     "preact": "^10.29.1",
     "react": "^19.2.5",
@@ -47,25 +44,21 @@
     "typescript": "^6.0.3"
   },
   "devDependencies": {
-    "@babel/core": "^7.29.0",
     "@eslint/js": "^10.0.1",
-    "@preact/compat": "^18.3.2",
     "@preact/preset-vite": "^2.10.5",
     "@trivago/prettier-plugin-sort-imports": "^6.0.2",
     "@types/node": "^25.6.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
-    "axe-core": "^4.11.3",
     "concurrently": "^9.2.1",
-    "eslint": "^10.2.1",
+    "eslint": "^10.3.0",
     "eslint-config-prettier": "^10.1.8",
     "prettier": "^3.8.3",
     "rollup-plugin-visualizer": "^7.0.1",
-    "terser": "^5.46.1",
+    "terser": "^5.46.2",
-    "typescript-eslint": "^8.59.0",
+    "typescript-eslint": "^8.59.1",
-    "vite": "^8.0.9",
+    "vite": "^8.0.10",
-    "vite-plugin-imagemin": "^0.6.1",
+    "vite-plugin-imagemin": "^0.6.1"
-    "vite-tsconfig-paths": "^6.1.1"
   },
-  "packageManager": "pnpm@10.33.1+sha512.05ba3c1d5d1c18f68df06470d74055e62d41fc110a0c660db1b2dfb2785327f04cf0f68345d4609bc52089e7fa0343c31593b2f9594e2c5d5da426230acc9820"
+  "packageManager": "pnpm@10.33.2+sha512.a90faf6feeab71ad6c6e57f94e0fe1a12f5dcc22cd754db40ae9593eb6a3e0b6b12e3540218bb37ae083404b1f2ce6db2a4121e979829b4aff94b99f49da1cf8"
 }

interface/src/App.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useEffect, useState } from 'react';
+import { memo, useEffect, useState } from 'react';
 import { ToastContainer, Zoom } from 'react-toastify';
 
 import AppRouting from 'AppRouting';
@@ -46,19 +46,17 @@ const App = memo(() => {
   const [wasLoaded, setWasLoaded] = useState(false);
   const [locale, setLocale] = useState<Locales>('en');
 
-  // Memoize locale initialization to prevent unnecessary re-runs
+  useEffect(() => {
-  const initializeLocale = useCallback(async () => {
+    const initializeLocale = async () => {
       const browserLocale = detectLocale('en', AVAILABLE_LOCALES, navigatorDetector);
       const newLocale = (localStorage.getItem('lang') || browserLocale) as Locales;
       localStorage.setItem('lang', newLocale);
       setLocale(newLocale);
       await loadLocaleAsync(newLocale);
       setWasLoaded(true);
-  }, []);
+    };
-
-  useEffect(() => {
     void initializeLocale();
-  }, [initializeLocale]);
+  }, []);
 
   if (!wasLoaded) return null;
 

interface/src/AuthenticatedRouting.tsx

@@ -16,6 +16,7 @@ import DownloadUpload from 'app/settings/DownloadUpload';
 import MqttSettings from 'app/settings/MqttSettings';
 import NTPSettings from 'app/settings/NTPSettings';
 import Settings from 'app/settings/Settings';
+import Version from 'app/settings/Version';
 import Network from 'app/settings/network/Network';
 import Security from 'app/settings/security/Security';
 import APStatus from 'app/status/APStatus';
@@ -26,7 +27,6 @@ import NTPStatus from 'app/status/NTPStatus';
 import NetworkStatus from 'app/status/NetworkStatus';
 import Status from 'app/status/Status';
 import SystemLog from 'app/status/SystemLog';
-import Version from 'app/status/Version';
 import { Layout } from 'components';
 import { AuthenticatedContext } from 'contexts/authentication';
 
@@ -49,11 +49,11 @@ const AuthenticatedRouting = memo(() => {
         <Route path="/status/ntp" element={<NTPStatus />} />
         <Route path="/status/ap" element={<APStatus />} />
         <Route path="/status/network" element={<NetworkStatus />} />
-        <Route path="/status/version" element={<Version />} />
 
         {me.admin && (
           <>
             <Route path="/settings" element={<Settings />} />
+            <Route path="/settings/version" element={<Version />} />
             <Route path="/settings/application" element={<ApplicationSettings />} />
             <Route path="/settings/mqtt" element={<MqttSettings />} />
             <Route path="/settings/ntp" element={<NTPSettings />} />

interface/src/SignIn.tsx

@@ -43,7 +43,6 @@ const SignIn = memo(() => {
     }
   });
 
-  // Memoize callback to prevent recreation on every render
   const updateLoginRequestValue = useMemo(
     () =>
       updateValue((updater) =>
@@ -65,7 +64,7 @@ const SignIn = memo(() => {
     });
   }, [callSignIn, signInRequest, LL]);
 
-  const validateAndSignIn = useCallback(async () => {
+  const validateAndSignIn = async () => {
     setProcessing(true);
     SIGN_IN_REQUEST_VALIDATOR.messages({
       required: LL.IS_REQUIRED('%s')
@@ -77,7 +76,7 @@ const SignIn = memo(() => {
       setFieldErrors((error as ValidationError).fieldErrors);
       setProcessing(false);
     }
-  }, [signInRequest, signIn, LL]);
+  };
 
   const submitOnEnter = useMemo(() => onEnterCallback(signIn), [signIn]);
 

interface/src/api/endpoints.ts

@@ -57,12 +57,3 @@ export const alovaInstance = createAlova({
     onSuccess: handleResponse
   }
 });
-
-export const alovaInstanceGH = createAlova({
-  baseURL:
-    process.env.NODE_ENV === 'development'
-      ? '/gh'
-      : 'https://api.github.com/repos/emsesp/EMS-ESP32/releases',
-  statesHook: ReactHook,
-  requestAdapter: xhrRequestAdapter()
-});

interface/src/api/system.ts

@@ -1,6 +1,6 @@
 import type { LogSettings, SystemStatus } from 'types';
 
-import { alovaInstance, alovaInstanceGH } from './endpoints';
+import { alovaInstance } from './endpoints';
 
 // systemStatus - also used to ping in System Monitor for pinging
 export const readSystemStatus = () =>
@@ -13,29 +13,6 @@ export const updateLogSettings = (data: LogSettings) =>
   alovaInstance.Post('/rest/logSettings', data);
 export const fetchLogES = () => alovaInstance.Get('/es/log');
 
-// Get versions from GitHub
-// cache for 10 minutes to stop getting the IP blocked by GitHub
-export const getStableVersion = () =>
-  alovaInstanceGH.Get('latest', {
-    cacheFor: 60 * 10 * 1000,
-    transform(response: { data: { name: string; published_at: string } }) {
-      return {
-        name: response.data.name.substring(1),
-        published_at: response.data.published_at
-      };
-    }
-  });
-export const getDevVersion = () =>
-  alovaInstanceGH.Get('tags/latest', {
-    cacheFor: 60 * 10 * 1000,
-    transform(response: { data: { name: string; published_at: string } }) {
-      return {
-        name: response.data.name.split(/\s+/).splice(-1)[0]?.substring(1) || '',
-        published_at: response.data.published_at
-      };
-    }
-  });
-
 const UPLOAD_TIMEOUT = 60000; // 1 minute
 
 export const uploadFile = (file: File) => {

interface/src/app/main/CustomEntities.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { useBlocker } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -57,20 +57,18 @@ const CustomEntities = () => {
     initialData: []
   });
 
-  const intervalCallback = useCallback(() => {
+  useInterval(() => {
     if (!dialogOpen && !numChanges) {
       void fetchEntities();
     }
-  }, [dialogOpen, numChanges, fetchEntities]);
+  });
-
-  useInterval(intervalCallback);
 
   const { send: writeEntities } = useRequest(
     (data: Entities) => writeCustomEntities(data),
     { immediate: false }
   );
 
-  const hasEntityChanged = useCallback((ei: EntityItem) => {
+  const hasEntityChanged = (ei: EntityItem) => {
     return (
       ei.id !== ei.o_id ||
       ei.ram !== ei.o_ram ||
@@ -86,11 +84,9 @@ const CustomEntities = () => {
       ei.deleted !== ei.o_deleted ||
       (ei.value || '') !== (ei.o_value || '')
     );
-  }, []);
+  };
 
-  const entity_theme = useMemo(
+  const entity_theme = useTheme({
-    () =>
-      useTheme({
     Table: `
       --data-table-library_grid-template-columns: repeat(1, minmax(60px, 1fr)) minmax(80px, auto) 80px 80px 80px 120px;
     `,
@@ -140,11 +136,9 @@ const CustomEntities = () => {
         background-color: #177ac9;
       }
     `
-      }),
+  });
-    []
-  );
 
-  const saveEntities = useCallback(async () => {
+  const saveEntities = async () => {
     await writeEntities({
       entities: entities
         .filter((ei: EntityItem) => !ei.deleted)
@@ -173,26 +167,25 @@ const CustomEntities = () => {
         await fetchEntities();
         setNumChanges(0);
       });
-  }, [entities, writeEntities, LL, fetchEntities]);
+  };
 
-  const editEntityItem = useCallback((ei: EntityItem) => {
+  const editEntityItem = (ei: EntityItem) => {
     setCreating(false);
     setSelectedEntityItem(ei);
     setDialogOpen(true);
-  }, []);
+  };
 
-  const onDialogClose = useCallback(() => {
+  const onDialogClose = () => {
     setDialogOpen(false);
-  }, []);
+  };
 
-  const onDialogCancel = useCallback(async () => {
+  const onDialogCancel = async () => {
     await fetchEntities().then(() => {
       setNumChanges(0);
     });
-  }, [fetchEntities]);
+  };
 
-  const onDialogSave = useCallback(
+  const onDialogSave = (updatedItem: EntityItem) => {
-    (updatedItem: EntityItem) => {
     setDialogOpen(false);
     void updateState(readCustomEntities(), (data: EntityItem[]) => {
       const new_data = creating
@@ -206,11 +199,9 @@ const CustomEntities = () => {
       setNumChanges(new_data.filter((ei) => hasEntityChanged(ei)).length);
       return new_data;
     });
-    },
+  };
-    [creating, hasEntityChanged]
-  );
 
-  const onDialogDup = useCallback((item: EntityItem) => {
+  const onDialogDup = (item: EntityItem) => {
     setCreating(true);
     setSelectedEntityItem({
       id: Math.floor(Math.random() * (MAX_ID - MIN_ID) + MIN_ID),
@@ -228,9 +219,9 @@ const CustomEntities = () => {
       value: item.value
     });
     setDialogOpen(true);
-  }, []);
+  };
 
-  const addEntityItem = useCallback(() => {
+  const addEntityItem = () => {
     setCreating(true);
     setSelectedEntityItem({
       id: Math.floor(Math.random() * (MAX_ID - MIN_ID) + MIN_ID),
@@ -248,30 +239,27 @@ const CustomEntities = () => {
       value: ''
     });
     setDialogOpen(true);
-  }, []);
+  };
 
-  const formatValue = useCallback((value: unknown, uom: number) => {
+  const formatValue = (value: unknown, uom: number) => {
     return value === undefined
       ? ''
       : typeof value === 'number'
         ? new Intl.NumberFormat().format(value) +
           (uom === 0 ? '' : ` ${DeviceValueUOM_s[uom]}`)
         : `${value as string}${uom === 0 ? '' : ` ${DeviceValueUOM_s[uom]}`}`;
-  }, []);
+  };
 
-  const showHex = useCallback((value: number, digit: number) => {
+  const showHex = (value: number, digit: number) => {
     return `0x${value.toString(16).toUpperCase().padStart(digit, '0')}`;
-  }, []);
+  };
 
-  const filteredAndSortedEntities = useMemo(
+  const filteredAndSortedEntities =
-    () =>
     entities
       ?.filter((ei: EntityItem) => !ei.deleted)
-        .sort((a: EntityItem, b: EntityItem) => a.name.localeCompare(b.name)) ?? [],
+      .sort((a: EntityItem, b: EntityItem) => a.name.localeCompare(b.name)) ?? [];
-    [entities]
-  );
 
-  const renderEntity = useCallback(() => {
+  const renderEntity = () => {
     if (!entities) {
       return (
         <FormLoader onRetry={fetchEntities} errorMessage={error?.message || ''} />
@@ -328,17 +316,7 @@ const CustomEntities = () => {
         )}
       </Table>
     );
-  }, [
+  };
-    entities,
-    error,
-    fetchEntities,
-    entity_theme,
-    editEntityItem,
-    LL,
-    filteredAndSortedEntities,
-    showHex,
-    formatValue
-  ]);
 
   return (
     <SectionContent>

interface/src/app/main/CustomEntitiesDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import AddIcon from '@mui/icons-material/Add';
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -68,14 +68,10 @@ const CustomEntitiesDialog = ({
   const { LL } = useI18nContext();
   const [editItem, setEditItem] = useState<EntityItem>(selectedItem);
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
-  const updateFormValue = useMemo(
+  const updateFormValue = updateValue(
-    () =>
-      updateValue(
     setEditItem as unknown as React.Dispatch<
       React.SetStateAction<Record<string, unknown>>
     >
-      ),
-    []
   );
 
   useEffect(() => {
@@ -105,16 +101,16 @@ const CustomEntitiesDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleClose = useCallback(
+  const handleClose = (
-    (_event: React.SyntheticEvent, reason: 'backdropClick' | 'escapeKeyDown') => {
+    _event: React.SyntheticEvent,
+    reason: 'backdropClick' | 'escapeKeyDown'
+  ) => {
     if (reason !== 'backdropClick') {
       onClose();
     }
-    },
+  };
-    [onClose]
-  );
 
-  const save = useCallback(async () => {
+  const save = async () => {
     try {
       setFieldErrors(undefined);
       await validate(validator, editItem);
@@ -138,27 +134,21 @@ const CustomEntitiesDialog = ({
     } catch (error) {
       setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [validator, editItem, onSave]);
+  };
 
-  const remove = useCallback(() => {
+  const remove = () => {
-    const itemWithDeleted = { ...editItem, deleted: true };
+    onSave({ ...editItem, deleted: true });
-    onSave(itemWithDeleted);
+  };
-  }, [editItem, onSave]);
 
-  const dup = useCallback(() => {
+  const dup = () => {
     onDup(editItem);
-  }, [editItem, onDup]);
+  };
 
-  // Memoize UOM menu items to avoid recreating on every render
+  const uomMenuItems = DeviceValueUOM_s.map((val, i) => (
-  const uomMenuItems = useMemo(
-    () =>
-      DeviceValueUOM_s.map((val, i) => (
     <MenuItem key={val} value={i}>
       {val}
     </MenuItem>
-      )),
+  ));
-    []
-  );
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>

interface/src/app/main/Customizations.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 import { useBlocker, useLocation } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -171,9 +171,7 @@ const Customizations = () => {
     );
   };
 
-  const entities_theme = useMemo(
+  const entities_theme = useTheme({
-    () =>
-      useTheme({
     Table: `
       --data-table-library_grid-template-columns: 156px repeat(1, minmax(80px, 1fr)) 45px minmax(45px, auto) minmax(120px, auto);
     `,
@@ -236,9 +234,7 @@ const Customizations = () => {
         padding-right: 8px;
       }
     `
-      }),
+  });
-    []
-  );
 
   function hasEntityChanged(de: DeviceEntity) {
     return (
@@ -287,12 +283,11 @@ const Customizations = () => {
     return value as string;
   }
 
-  const isCommand = useCallback((de: DeviceEntity) => {
+  const isCommand = (de: DeviceEntity) => {
     return de.n && de.n[0] === '!';
-  }, []);
+  };
 
-  const formatName = useCallback(
+  const formatName = (de: DeviceEntity, withShortname: boolean) => {
-    (de: DeviceEntity, withShortname: boolean) => {
     let name: string;
     if (isCommand(de)) {
       name = de.t
@@ -304,9 +299,7 @@ const Customizations = () => {
       name = de.t ? `${de.t} ${de.n}` : de.n || '';
     }
     return withShortname ? `${name} ${de.id}` : name;
-    },
+  };
-    [LL]
-  );
 
   const getMaskNumber = (newMask: string[]) => {
     let new_mask = 0;
@@ -336,15 +329,11 @@ const Customizations = () => {
     return new_masks;
   };
 
-  const filter_entity = useCallback(
+  const filter_entity = (de: DeviceEntity) =>
-    (de: DeviceEntity) =>
     (de.m & selectedFilters || !selectedFilters) &&
-      formatName(de, true).toLowerCase().includes(search.toLowerCase()),
+    formatName(de, true).toLowerCase().includes(search.toLowerCase());
-    [selectedFilters, search, formatName]
-  );
 
-  const maskDisabled = useCallback(
+  const maskDisabled = (set: boolean) => {
-    (set: boolean) => {
     setDeviceEntities((prev) =>
       prev.map((de) => {
         if (filter_entity(de)) {
@@ -358,11 +347,9 @@ const Customizations = () => {
         return de;
       })
     );
-    },
+  };
-    [filter_entity]
-  );
 
-  const resetCustomization = useCallback(async () => {
+  const resetCustomization = async () => {
     try {
       await sendResetCustomizations();
       toast.info(LL.CUSTOMIZATIONS_RESTART());
@@ -372,30 +359,27 @@ const Customizations = () => {
       setConfirmReset(false);
       setRestarting(true);
     }
-  }, [sendResetCustomizations, LL]);
+  };
 
   const onDialogClose = () => {
     setDialogOpen(false);
   };
 
-  const updateDeviceEntity = useCallback((updatedItem: DeviceEntity) => {
+  const updateDeviceEntity = (updatedItem: DeviceEntity) => {
     setDeviceEntities(
       (prev) =>
         prev?.map((de) =>
           de.id === updatedItem.id ? { ...de, ...updatedItem } : de
         ) ?? []
     );
-  }, []);
+  };
 
-  const onDialogSave = useCallback(
+  const onDialogSave = (updatedItem: DeviceEntity) => {
-    (updatedItem: DeviceEntity) => {
     setDialogOpen(false);
     updateDeviceEntity(updatedItem);
-    },
+  };
-    [updateDeviceEntity]
-  );
 
-  const editDeviceEntity = useCallback((de: DeviceEntity) => {
+  const editDeviceEntity = (de: DeviceEntity) => {
     if (de.n === undefined || (de.n && de.n[0] === '!')) {
       return;
     }
@@ -406,9 +390,9 @@ const Customizations = () => {
 
     setSelectedDeviceEntity(de);
     setDialogOpen(true);
-  }, []);
+  };
 
-  const saveCustomization = useCallback(async () => {
+  const saveCustomization = async () => {
     if (!devices || !deviceEntities || selectedDevice === -1) {
       return;
     }
@@ -441,9 +425,9 @@ const Customizations = () => {
       .finally(() => {
         setOriginalSettings(deviceEntities);
       });
-  }, [devices, deviceEntities, selectedDevice, sendCustomizationEntities, LL]);
+  };
 
-  const renameDevice = useCallback(async () => {
+  const renameDevice = async () => {
     await sendDeviceName({
       id: selectedDevice,
       name: selectedDeviceName,
@@ -459,14 +443,7 @@ const Customizations = () => {
         setRename(false);
         await fetchCoreData();
       });
-  }, [
+  };
-    selectedDevice,
-    selectedDeviceName,
-    selectedDeviceBrand,
-    sendDeviceName,
-    LL,
-    fetchCoreData
-  ]);
 
   const renderDeviceList = () => (
     <>
@@ -562,10 +539,7 @@ const Customizations = () => {
     </>
   );
 
-  const filteredEntities = useMemo(
+  const filteredEntities = deviceEntities.filter((de) => filter_entity(de));
-    () => deviceEntities.filter((de) => filter_entity(de)),
-    [deviceEntities, filter_entity]
-  );
 
   const renderDeviceData = () => {
     return (

interface/src/app/main/CustomizationsDialog.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useEffect, useMemo, useState } from 'react';
+import { memo, useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import CloseIcon from '@mui/icons-material/Close';
@@ -57,23 +57,16 @@ const CustomizationsDialog = ({
   const [editItem, setEditItem] = useState<DeviceEntity>(selectedItem);
   const [error, setError] = useState<boolean>(false);
 
-  const updateFormValue = useMemo(
+  const updateFormValue = updateValue(
-    () =>
-      updateValue(
     setEditItem as unknown as React.Dispatch<
       React.SetStateAction<Record<string, unknown>>
     >
-      ),
-    []
   );
 
-  const isWriteableNumber = useMemo(
+  const isWriteableNumber =
-    () =>
     typeof editItem.v === 'number' &&
     editItem.w &&
-      !(editItem.m & DeviceEntityMask.DV_READONLY),
+    !(editItem.m & DeviceEntityMask.DV_READONLY);
-    [editItem.v, editItem.w, editItem.m]
-  );
 
   useEffect(() => {
     if (open) {
@@ -82,16 +75,16 @@ const CustomizationsDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleClose = useCallback(
+  const handleClose = (
-    (_event: React.SyntheticEvent, reason: 'backdropClick' | 'escapeKeyDown') => {
+    _event: React.SyntheticEvent,
+    reason: 'backdropClick' | 'escapeKeyDown'
+  ) => {
     if (reason !== 'backdropClick') {
       onClose();
     }
-    },
+  };
-    [onClose]
-  );
 
-  const save = useCallback(() => {
+  const save = () => {
     if (
       isWriteableNumber &&
       editItem.mi &&
@@ -102,34 +95,31 @@ const CustomizationsDialog = ({
     } else {
       onSave(editItem);
     }
-  }, [isWriteableNumber, editItem, onSave]);
+  };
 
-  const updateDeviceEntity = useCallback((updatedItem: DeviceEntity) => {
+  const updateDeviceEntity = (updatedItem: DeviceEntity) => {
     setEditItem((prev) => ({ ...prev, m: updatedItem.m }));
-  }, []);
+  };
-
-  const dialogTitle = useMemo(() => `${LL.EDIT()} ${LL.ENTITY()}`, [LL]);
-
-  const writeableIcon = useMemo(
-    () =>
-      editItem.w ? (
-        <DoneIcon color="success" sx={{ fontSize: ICON_SIZE }} />
-      ) : (
-        <CloseIcon color="error" sx={{ fontSize: ICON_SIZE }} />
-      ),
-    [editItem.w]
-  );
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>
-      <DialogTitle>{dialogTitle}</DialogTitle>
+      <DialogTitle>{`${LL.EDIT()} ${LL.ENTITY()}`}</DialogTitle>
       <DialogContent dividers>
         <LabelValue label={LL.ID_OF(LL.ENTITY())} value={editItem.id} />
         <LabelValue
           label={`${LL.DEFAULT(1)} ${LL.ENTITY_NAME(1)}`}
           value={editItem.n}
         />
-        <LabelValue label={LL.WRITEABLE()} value={writeableIcon} />
+        <LabelValue
+          label={LL.WRITEABLE()}
+          value={
+            editItem.w ? (
+              <DoneIcon color="success" sx={{ fontSize: ICON_SIZE }} />
+            ) : (
+              <CloseIcon color="error" sx={{ fontSize: ICON_SIZE }} />
+            )
+          }
+        />
 
         <Box sx={{ mt: 1, mb: 2 }}>
           <EntityMaskToggle onUpdate={updateDeviceEntity} de={editItem} />

interface/src/app/main/Dashboard.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useEffect, useMemo, useState } from 'react';
+import { memo, useContext, useEffect, useState } from 'react';
 import { IconContext } from 'react-icons/lib';
 import { Link } from 'react-router';
 import { toast } from 'react-toastify';
@@ -77,8 +77,7 @@ const Dashboard = memo(() => {
     }
   );
 
-  const deviceValueDialogSave = useCallback(
+  const deviceValueDialogSave = async (devicevalue: DeviceValue) => {
-    async (devicevalue: DeviceValue) => {
     if (!selectedDashboardItem) {
       return;
     }
@@ -94,13 +93,9 @@ const Dashboard = memo(() => {
         setDeviceValueDialogOpen(false);
         setSelectedDashboardItem(undefined);
       });
-    },
+  };
-    [selectedDashboardItem, sendDeviceValue, LL]
-  );
 
-  const dashboard_theme = useMemo(
+  const dashboard_theme = useTheme({
-    () =>
-      useTheme({
     Table: `
       --data-table-library_grid-template-columns: minmax(80px, auto) 120px 32px;
     `,
@@ -128,9 +123,7 @@ const Dashboard = memo(() => {
         text-align: right;
       }
     `
-      }),
+  });
-    []
-  );
 
   const tree = useTree(
     { nodes: [...data.nodes] },
@@ -164,19 +157,14 @@ const Dashboard = memo(() => {
     }
   });
 
-  const nodeIds = useMemo(
-    () => data.nodes.map((item: DashboardItem) => item.id),
-    [data.nodes]
-  );
-
   useEffect(() => {
+    const nodeIds = data.nodes.map((item: DashboardItem) => item.id);
     showAll
       ? tree.fns.onAddAll(nodeIds) // expand tree
       : tree.fns.onRemoveAll(); // collapse tree
   }, [parentNodes]);
 
-  const showType = useCallback(
+  const showType = (n?: string, t?: number) => {
-    (n?: string, t?: number) => {
     // if we have a name show it
     if (n) {
       return n;
@@ -197,12 +185,9 @@ const Dashboard = memo(() => {
       }
     }
     return '';
-    },
+  };
-    [LL]
-  );
 
-  const showName = useCallback(
+  const showName = (di: DashboardItem) => {
-    (di: DashboardItem) => {
     if (di.id < 100) {
       // if its a device (parent node) and has entities
       if (di.nodes?.length) {
@@ -219,24 +204,17 @@ const Dashboard = memo(() => {
       return <span>{di.dv.id.slice(2)}</span>;
     }
     return null;
-    },
+  };
-    [showType]
-  );
 
-  const hasMask = useCallback(
+  const hasMask = (id: string, mask: number) =>
-    (id: string, mask: number) => (parseInt(id.slice(0, 2), 16) & mask) === mask,
+    (parseInt(id.slice(0, 2), 16) & mask) === mask;
-    []
-  );
 
-  const editDashboardValue = useCallback(
+  const editDashboardValue = (di: DashboardItem) => {
-    (di: DashboardItem) => {
     if (me.admin && di.dv?.c) {
       setSelectedDashboardItem(di);
       setDeviceValueDialogOpen(true);
     }
-    },
+  };
-    [me.admin]
-  );
 
   const handleShowAll = (
     _event: React.MouseEvent<HTMLElement>,
@@ -248,10 +226,9 @@ const Dashboard = memo(() => {
     }
   };
 
-  const hasFavEntities = useMemo(
+  const hasFavEntities = data.nodes.filter(
-    () => data.nodes.filter((item: DashboardItem) => item.id <= 90).length,
+    (item: DashboardItem) => item.id <= 90
-    [data.nodes]
+  ).length;
-  );
 
   const renderContent = () => {
     if (!data) {

interface/src/app/main/Devices.tsx

@@ -4,7 +4,6 @@ import {
   useContext,
   useEffect,
   useLayoutEffect,
-  useMemo,
   useState
 } from 'react';
 import { IconContext } from 'react-icons';
@@ -133,17 +132,15 @@ const Devices = memo(() => {
     };
   }, []);
 
-  const leftOffset = useCallback(() => {
+  const leftOffset = () => {
     const devicesWindow = document.getElementById('devices-window');
     if (!devicesWindow) return 0;
     const { left, right } = devicesWindow.getBoundingClientRect();
     if (!left || !right) return 0;
     return left + (right - left < 400 ? 0 : 200);
-  }, []);
+  };
 
-  const common_theme = useMemo(
+  const common_theme = useTheme({
-    () =>
-      useTheme({
     BaseRow: `
       font-size: 14px;
     `,
@@ -165,13 +162,9 @@ const Devices = memo(() => {
         background-color: #177ac9;
       }
     `
-      }),
+  });
-    []
-  );
 
-  const device_theme = useMemo(
+  const device_theme = useTheme([
-    () =>
-      useTheme([
     common_theme,
     {
       BaseRow: `
@@ -196,13 +189,9 @@ const Devices = memo(() => {
       },
     `
     }
-      ]),
+  ]);
-    [common_theme]
-  );
 
-  const data_theme = useMemo(
+  const data_theme = useTheme([
-    () =>
-      useTheme([
     common_theme,
     {
       Table: `
@@ -244,9 +233,7 @@ const Devices = memo(() => {
     }
     `
     }
-      ]),
+  ]);
-    [common_theme]
-  );
 
   const getSortIcon = (state: State, sortKey: unknown) => {
     if (state.sortKey === sortKey && state.reverse) {
@@ -345,10 +332,8 @@ const Devices = memo(() => {
     return sc;
   };
 
-  const hasMask = useCallback(
+  const hasMask = (id: string, mask: number) =>
-    (id: string, mask: number) => (parseInt(id.slice(0, 2), 16) & mask) === mask,
+    (parseInt(id.slice(0, 2), 16) & mask) === mask;
-    []
-  );
 
   const handleDownloadCsv = () => {
     const deviceIndex = coreData.devices.findIndex(
@@ -607,13 +592,12 @@ const Devices = memo(() => {
       return;
     }
 
-    const showDeviceValue = useCallback((dv: DeviceValue) => {
+    const showDeviceValue = (dv: DeviceValue) => {
       setSelectedDeviceValue(dv);
       setDeviceValueDialogOpen(true);
-    }, []);
+    };
 
-    const renderNameCell = useCallback(
+    const renderNameCell = (dv: DeviceValue) => (
-      (dv: DeviceValue) => (
       <>
         {dv.id.slice(2)}&nbsp;
         {hasMask(dv.id, DeviceEntityMask.DV_FAVORITE) && (
@@ -626,22 +610,17 @@ const Devices = memo(() => {
           <CommentsDisabledOutlinedIcon color="primary" sx={{ fontSize: 12 }} />
         )}
       </>
-      ),
-      [hasMask]
     );
 
-    const shown_data = useMemo(() => {
+    const shown_data = onlyFav
-      if (onlyFav) {
+      ? deviceData.nodes.filter(
-        return deviceData.nodes.filter(
           (dv: DeviceValue) =>
             hasMask(dv.id, DeviceEntityMask.DV_FAVORITE) &&
             dv.id.slice(2).toLowerCase().includes(search.toLowerCase())
-        );
+        )
-      }
+      : deviceData.nodes.filter((dv: DeviceValue) =>
-      return deviceData.nodes.filter((dv: DeviceValue) =>
           dv.id.slice(2).toLowerCase().includes(search.toLowerCase())
         );
-    }, [deviceData.nodes, onlyFav, search]);
 
     const deviceIndex = coreData.devices.findIndex(
       (d: Device) => d.id === device_select.state.id

interface/src/app/main/DevicesDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import WarningIcon from '@mui/icons-material/Warning';
@@ -52,7 +52,7 @@ const DevicesDialog = ({
   const [editItem, setEditItem] = useState<DeviceValue>(selectedItem);
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
 
-  const updateFormValue = useMemo(() => updateValue(setEditItem), [setEditItem]);
+  const updateFormValue = updateValue(setEditItem);
 
   useEffect(() => {
     if (open) {
@@ -61,7 +61,7 @@ const DevicesDialog = ({
     }
   }, [open, selectedItem]);
 
-  const save = useCallback(async () => {
+  const save = async () => {
     try {
       setFieldErrors(undefined);
       await validate(validator, editItem);
@@ -69,10 +69,9 @@ const DevicesDialog = ({
     } catch (error) {
       setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [validator, editItem, onSave]);
+  };
 
-  const setUom = useCallback(
+  const setUom = (uom?: DeviceValueUOM) => {
-    (uom?: DeviceValueUOM) => {
     if (uom === undefined) {
       return;
     }
@@ -86,11 +85,9 @@ const DevicesDialog = ({
       default:
         return DeviceValueUOM_s[uom];
     }
-    },
+  };
-    [LL]
-  );
 
-  const showHelperText = useCallback((dv: DeviceValue) => {
+  const showHelperText = (dv: DeviceValue) => {
     if (dv.h) return dv.h;
     if (dv.l) return dv.l.join(' | ');
     if (dv.m !== undefined && dv.x !== undefined) {
@@ -101,26 +98,16 @@ const DevicesDialog = ({
       );
     }
     return undefined;
-  }, []);
+  };
 
-  const isCommand = useMemo(
+  const isCommand = selectedItem.v === '' && selectedItem.c;
-    () => selectedItem.v === '' && selectedItem.c,
+  const dialogTitle = isCommand
-    [selectedItem.v, selectedItem.c]
+    ? LL.RUN_COMMAND()
-  );
+    : writeable
-
+      ? LL.CHANGE_VALUE()
-  const dialogTitle = useMemo(() => {
+      : LL.VALUE(0);
-    if (isCommand) return LL.RUN_COMMAND();
+  const buttonLabel = isCommand ? LL.EXECUTE() : LL.UPDATE();
-    return writeable ? LL.CHANGE_VALUE() : LL.VALUE(0);
+  const helperText = showHelperText(editItem);
-  }, [isCommand, writeable, LL]);
-
-  const buttonLabel = useMemo(() => {
-    return isCommand ? LL.EXECUTE() : LL.UPDATE();
-  }, [isCommand, LL]);
-
-  const helperText = useMemo(
-    () => showHelperText(editItem),
-    [editItem, showHelperText]
-  );
 
   const valueLabel = LL.VALUE(0);
 

interface/src/app/main/EntityMaskToggle.tsx

@@ -1,5 +1,3 @@
-import { useCallback, useMemo } from 'react';
-
 import { ToggleButton, ToggleButtonGroup } from '@mui/material';
 
 import OptionIcon from './OptionIcon';
@@ -11,7 +9,6 @@ interface EntityMaskToggleProps {
   de: DeviceEntity;
 }
 
-// Available mask values
 const MASK_VALUES = [
   DeviceEntityMask.DV_WEB_EXCLUDE, // 1
   DeviceEntityMask.DV_API_MQTT_EXCLUDE, // 2
@@ -20,35 +17,21 @@ const MASK_VALUES = [
   DeviceEntityMask.DV_DELETED // 128
 ];
 
-/**
+const getMaskNumber = (newMask: string[]): number =>
- * Converts an array of mask strings to a bitmask number
+  newMask.reduce((mask, entry) => mask | Number(entry), 0);
- */
-const getMaskNumber = (newMask: string[]): number => {
-  return newMask.reduce((mask, entry) => mask | Number(entry), 0);
-};
 
-/**
+const getMaskString = (mask: number): string[] =>
- * Converts a bitmask number to an array of mask strings
+  MASK_VALUES.filter((value) => (mask & value) === value).map((value) =>
- */
-const getMaskString = (mask: number): string[] => {
-  return MASK_VALUES.filter((value) => (mask & value) === value).map((value) =>
     String(value)
   );
-};
 
-/**
- * Checks if a specific mask bit is set
- */
 const hasMask = (mask: number, flag: number): boolean => (mask & flag) === flag;
 
 const EntityMaskToggle = ({ onUpdate, de }: EntityMaskToggleProps) => {
-  const handleChange = useCallback(
+  const handleChange = (_event: unknown, mask: string[]) => {
-    (_event: unknown, mask: string[]) => {
-      // Convert selected masks to a number
     const newMask = getMaskNumber(mask);
     const updatedDe = { ...de };
 
-      // Apply business logic for mask interactions
     // If entity has no name and is set to readonly, also exclude from web
     if (updatedDe.n === '' && hasMask(newMask, DeviceEntityMask.DV_READONLY)) {
       updatedDe.m = newMask | DeviceEntityMask.DV_WEB_EXCLUDE;
@@ -62,81 +45,67 @@ const EntityMaskToggle = ({ onUpdate, de }: EntityMaskToggleProps) => {
     }
 
     onUpdate(updatedDe);
-    },
+  };
-    [de, onUpdate]
-  );
-
-  // Memoize mask string value
-  const maskStringValue = useMemo(() => getMaskString(de.m), [de.m]);
-
-  // Memoize disabled states
-  const isFavoriteDisabled = useMemo(
-    () =>
-      hasMask(de.m, DeviceEntityMask.DV_WEB_EXCLUDE | DeviceEntityMask.DV_DELETED) ||
-      de.n === undefined,
-    [de.m, de.n]
-  );
-
-  const isReadonlyDisabled = useMemo(
-    () =>
-      !de.w ||
-      hasMask(de.m, DeviceEntityMask.DV_WEB_EXCLUDE | DeviceEntityMask.DV_FAVORITE),
-    [de.w, de.m]
-  );
-
-  const isApiMqttExcludeDisabled = useMemo(
-    () => de.n === '' || hasMask(de.m, DeviceEntityMask.DV_DELETED),
-    [de.n, de.m]
-  );
-
-  const isWebExcludeDisabled = useMemo(
-    () => de.n === undefined || hasMask(de.m, DeviceEntityMask.DV_DELETED),
-    [de.n, de.m]
-  );
-
-  // Memoize mask flag checks
-  const isFavoriteSet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_FAVORITE),
-    [de.m]
-  );
-  const isReadonlySet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_READONLY),
-    [de.m]
-  );
-  const isApiMqttExcludeSet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_API_MQTT_EXCLUDE),
-    [de.m]
-  );
-  const isWebExcludeSet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_WEB_EXCLUDE),
-    [de.m]
-  );
-  const isDeletedSet = useMemo(
-    () => hasMask(de.m, DeviceEntityMask.DV_DELETED),
-    [de.m]
-  );
 
   return (
     <ToggleButtonGroup
       size="small"
       color="secondary"
-      value={maskStringValue}
+      value={getMaskString(de.m)}
       onChange={handleChange}
     >
-      <ToggleButton value="8" disabled={isFavoriteDisabled}>
+      <ToggleButton
-        <OptionIcon type="favorite" isSet={isFavoriteSet} />
+        value="8"
+        disabled={
+          hasMask(
+            de.m,
+            DeviceEntityMask.DV_WEB_EXCLUDE | DeviceEntityMask.DV_DELETED
+          ) || de.n === undefined
+        }
+      >
+        <OptionIcon
+          type="favorite"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_FAVORITE)}
+        />
       </ToggleButton>
-      <ToggleButton value="4" disabled={isReadonlyDisabled}>
+      <ToggleButton
-        <OptionIcon type="readonly" isSet={isReadonlySet} />
+        value="4"
+        disabled={
+          !de.w ||
+          hasMask(
+            de.m,
+            DeviceEntityMask.DV_WEB_EXCLUDE | DeviceEntityMask.DV_FAVORITE
+          )
+        }
+      >
+        <OptionIcon
+          type="readonly"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_READONLY)}
+        />
       </ToggleButton>
-      <ToggleButton value="2" disabled={isApiMqttExcludeDisabled}>
+      <ToggleButton
-        <OptionIcon type="api_mqtt_exclude" isSet={isApiMqttExcludeSet} />
+        value="2"
+        disabled={de.n === '' || hasMask(de.m, DeviceEntityMask.DV_DELETED)}
+      >
+        <OptionIcon
+          type="api_mqtt_exclude"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_API_MQTT_EXCLUDE)}
+        />
       </ToggleButton>
-      <ToggleButton value="1" disabled={isWebExcludeDisabled}>
+      <ToggleButton
-        <OptionIcon type="web_exclude" isSet={isWebExcludeSet} />
+        value="1"
+        disabled={de.n === undefined || hasMask(de.m, DeviceEntityMask.DV_DELETED)}
+      >
+        <OptionIcon
+          type="web_exclude"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_WEB_EXCLUDE)}
+        />
       </ToggleButton>
       <ToggleButton value="128">
-        <OptionIcon type="deleted" isSet={isDeletedSet} />
+        <OptionIcon
+          type="deleted"
+          isSet={hasMask(de.m, DeviceEntityMask.DV_DELETED)}
+        />
       </ToggleButton>
     </ToggleButtonGroup>
   );

interface/src/app/main/Help.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useMemo, useState } from 'react';
+import { memo, useContext, useState } from 'react';
 import type { ReactElement } from 'react';
 import { toast } from 'react-toastify';
 
@@ -60,6 +60,8 @@ const AVATAR_STYLES: SxProps<Theme> = {
   bgcolor: '#72caf9'
 };
 
+const SYSTEM_INFO_API: APIcall = { device: 'system', cmd: 'info', id: 0 };
+
 const HelpComponent = () => {
   const { LL } = useI18nContext();
   useLayoutTitle(LL.HELP());
@@ -72,12 +74,7 @@ const HelpComponent = () => {
   });
   const [imgError, setImgError] = useState<boolean>(false);
 
-  const getCustomSupportMethod = useMemo(
+  useRequest(callAction({ action: 'getCustomSupport' })).onSuccess((event) => {
-    () => callAction({ action: 'getCustomSupport' }),
-    []
-  );
-
-  useRequest(getCustomSupportMethod).onSuccess((event) => {
     if (event?.data && Object.keys(event.data).length !== 0) {
       const { Support } = event.data as {
         Support: { img_url?: string; html?: string[] };
@@ -100,20 +97,7 @@ const HelpComponent = () => {
       toast.error(String(error.error?.message || 'An error occurred'));
     });
 
-  // Optimize API call memoization
+  const helpLinks: HelpLink[] = [
-  const apiCall = useMemo(() => ({ device: 'system', cmd: 'info', id: 0 }), []);
-
-  const handleDownloadSystemInfo = useCallback(() => {
-    void sendAPI(apiCall);
-  }, [sendAPI, apiCall]);
-
-  const handleImageError = useCallback(() => {
-    setImgError(true);
-  }, []);
-
-  // Memoize help links to prevent recreation on every render
-  const helpLinks: HelpLink[] = useMemo(
-    () => [
     {
       href: 'https://emsesp.org',
       icon: <MenuBookIcon />,
@@ -129,18 +113,10 @@ const HelpComponent = () => {
       icon: <GitHubIcon />,
       label: () => LL.HELP_INFORMATION_3()
     }
-    ],
+  ];
-    [LL]
-  );
 
-  const isAdmin = useMemo(() => me?.admin ?? false, [me?.admin]);
+  const imageSrc =
-
+    imgError || !customSupport.img_url ? DEFAULT_IMAGE_URL : customSupport.img_url;
-  // Memoize image source computation
-  const imageSrc = useMemo(
-    () =>
-      imgError || !customSupport.img_url ? DEFAULT_IMAGE_URL : customSupport.img_url,
-    [imgError, customSupport.img_url]
-  );
 
   return (
     <SectionContent>
@@ -157,13 +133,13 @@ const HelpComponent = () => {
             component="img"
             referrerPolicy="no-referrer"
             sx={IMAGE_STYLES}
-            onError={handleImageError}
+            onError={() => setImgError(true)}
             src={imageSrc}
           />
         </Stack>
       )}
 
-      {isAdmin && (
+      {me?.admin && (
         <List>
           {helpLinks.map(({ href, icon, label }) => (
             <ListItem key={href}>
@@ -191,7 +167,7 @@ const HelpComponent = () => {
           startIcon={<DownloadIcon />}
           variant="outlined"
           color="primary"
-          onClick={handleDownloadSystemInfo}
+          onClick={() => void sendAPI(SYSTEM_INFO_API)}
         >
           {LL.SUPPORT_INFORMATION(0)}
         </Button>
@@ -214,7 +190,6 @@ const HelpComponent = () => {
   );
 };
 
-// Memoize the component to prevent unnecessary re-renders
 const Help = memo(HelpComponent);
 
 export default Help;

interface/src/app/main/Modules.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useMemo, useState } from 'react';
+import { memo, useState } from 'react';
 import { useBlocker } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -69,9 +69,7 @@ const Modules = () => {
     }
   );
 
-  const modules_theme = useTheme(
+  const modules_theme = useTheme({
-    useMemo(
-      () => ({
     Table: `
       --data-table-library_grid-template-columns: 48px 180px 120px 100px repeat(1, minmax(160px, 1fr)) 180px;
     `,
@@ -111,16 +109,13 @@ const Modules = () => {
         background-color: #303030;
       }
     `
-      }),
+  });
-      []
-    )
-  );
 
-  const onDialogClose = useCallback(() => {
+  const onDialogClose = () => {
     setDialogOpen(false);
-  }, []);
+  };
 
-  const updateModuleItem = useCallback((updatedItem: ModuleItem) => {
+  const updateModuleItem = (updatedItem: ModuleItem) => {
     void updateState(readModules(), (data: ModuleItem[]) => {
       const new_data = data.map((mi) =>
         mi.id === updatedItem.id ? { ...mi, ...updatedItem } : mi
@@ -128,28 +123,25 @@ const Modules = () => {
       setNumChanges(new_data.filter(hasModulesChanged).length);
       return new_data;
     });
-  }, []);
+  };
 
-  const onDialogSave = useCallback(
+  const onDialogSave = (updatedItem: ModuleItem) => {
-    (updatedItem: ModuleItem) => {
     setDialogOpen(false);
     updateModuleItem(updatedItem);
-    },
+  };
-    [updateModuleItem]
-  );
 
-  const editModuleItem = useCallback((mi: ModuleItem) => {
+  const editModuleItem = (mi: ModuleItem) => {
     setSelectedModuleItem(mi);
     setDialogOpen(true);
-  }, []);
+  };
 
-  const onCancel = useCallback(async () => {
+  const onCancel = async () => {
     await fetchModules().then(() => {
       setNumChanges(0);
     });
-  }, [fetchModules]);
+  };
 
-  const saveModules = useCallback(async () => {
+  const saveModules = async () => {
     try {
       await Promise.all(
         modules.map((condensed_mi: ModuleItem) =>
@@ -167,9 +159,9 @@ const Modules = () => {
       await fetchModules();
       setNumChanges(0);
     }
-  }, [modules, updateModules, LL, fetchModules]);
+  };
 
-  const content = useMemo(() => {
+  const renderContent = () => {
     if (!modules) {
       return (
         <FormLoader onRetry={fetchModules} errorMessage={error?.message || ''} />
@@ -262,22 +254,12 @@ const Modules = () => {
         </Box>
       </>
     );
-  }, [
+  };
-    modules,
-    fetchModules,
-    error,
-    modules_theme,
-    editModuleItem,
-    LL,
-    numChanges,
-    onCancel,
-    saveModules
-  ]);
 
   return (
     <SectionContent>
       {blocker ? <BlockNavigation blocker={blocker} /> : null}
-      {content}
+      {renderContent()}
       {selectedModuleItem && (
         <ModulesDialog
           open={dialogOpen}

interface/src/app/main/ModulesDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
@@ -37,14 +37,10 @@ const ModulesDialog = ({
   const { LL } = useI18nContext();
   const [editItem, setEditItem] = useState<ModuleItem>(selectedItem);
 
-  const updateFormValue = useMemo(
+  const updateFormValue = updateValue(
-    () =>
-      updateValue(
     setEditItem as unknown as React.Dispatch<
       React.SetStateAction<Record<string, unknown>>
     >
-      ),
-    []
   );
 
   // Sync form state when dialog opens or selected item changes
@@ -54,18 +50,13 @@ const ModulesDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleSave = useCallback(() => {
+  const handleSave = () => {
     onSave(editItem);
-  }, [editItem, onSave]);
+  };
-
-  const dialogTitle = useMemo(
-    () => `${LL.EDIT()} ${editItem.key}`,
-    [LL, editItem.key]
-  );
 
   return (
     <Dialog sx={dialogStyle} fullWidth maxWidth="xs" open={open} onClose={onClose}>
-      <DialogTitle>{dialogTitle}</DialogTitle>
+      <DialogTitle>{`${LL.EDIT()} ${editItem.key}`}</DialogTitle>
       <DialogContent dividers>
         <Grid container>
           <BlockFormControlLabel

interface/src/app/main/Scheduler.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 import { useBlocker } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -132,7 +132,7 @@ const Scheduler = () => {
     }
   );
 
-  const hasScheduleChanged = useCallback((si: ScheduleItem) => {
+  const hasScheduleChanged = (si: ScheduleItem) => {
     return (
       si.id !== si.o_id ||
       (si.name || '') !== (si.o_name || '') ||
@@ -143,15 +143,13 @@ const Scheduler = () => {
       si.cmd !== si.o_cmd ||
       si.value !== si.o_value
     );
-  }, []);
+  };
 
-  const intervalCallback = useCallback(() => {
+  useInterval(() => {
     if (numChanges === 0) {
       void fetchSchedule();
     }
-  }, [numChanges, fetchSchedule]);
+  }, INTERVAL_DELAY);
-
-  useInterval(intervalCallback, INTERVAL_DELAY);
 
   useEffect(() => {
     const formatter = new Intl.DateTimeFormat(locale, {
@@ -169,7 +167,7 @@ const Scheduler = () => {
 
   const schedule_theme = useTheme(scheduleTheme);
 
-  const saveSchedule = useCallback(async () => {
+  const saveSchedule = async () => {
     try {
       await updateSchedule({
         schedule: schedule
@@ -192,29 +190,28 @@ const Scheduler = () => {
       await fetchSchedule();
       setNumChanges(0);
     }
-  }, [LL, schedule, updateSchedule, fetchSchedule]);
+  };
 
-  const editScheduleItem = useCallback((si: ScheduleItem) => {
+  const editScheduleItem = (si: ScheduleItem) => {
     setCreating(false);
     setSelectedScheduleItem(si);
     setDialogOpen(true);
     if (si.o_name === undefined) {
       si.o_name = si.name;
     }
-  }, []);
+  };
 
-  const onDialogClose = useCallback(() => {
+  const onDialogClose = () => {
     setDialogOpen(false);
-  }, []);
+  };
 
-  const onDialogCancel = useCallback(async () => {
+  const onDialogCancel = async () => {
     await fetchSchedule().then(() => {
       setNumChanges(0);
     });
-  }, [fetchSchedule]);
+  };
 
-  const onDialogSave = useCallback(
+  const onDialogSave = (updatedItem: ScheduleItem) => {
-    (updatedItem: ScheduleItem) => {
     setDialogOpen(false);
     void updateState(readSchedule(), (data: ScheduleItem[]) => {
       const new_data = creating
@@ -227,11 +224,9 @@ const Scheduler = () => {
 
       return new_data;
     });
-    },
+  };
-    [creating, hasScheduleChanged]
-  );
 
-  const addScheduleItem = useCallback(() => {
+  const addScheduleItem = () => {
     setCreating(true);
     const newItem: ScheduleItem = {
       id: Math.floor(Math.random() * (MAX_ID - MIN_ID) + MIN_ID),
@@ -239,18 +234,13 @@ const Scheduler = () => {
     };
     setSelectedScheduleItem(newItem);
     setDialogOpen(true);
-  }, []);
+  };
 
-  const filteredAndSortedSchedule = useMemo(
+  const filteredAndSortedSchedule = schedule
-    () =>
-      schedule
     .filter((si: ScheduleItem) => !si.deleted)
-        .sort((a: ScheduleItem, b: ScheduleItem) => a.flags - b.flags),
+    .sort((a: ScheduleItem, b: ScheduleItem) => a.flags - b.flags);
-    [schedule]
-  );
 
-  const dayBox = useCallback(
+  const dayBox = (si: ScheduleItem, flag: number) => {
-    (si: ScheduleItem, flag: number) => {
     const dayIndex = Math.log(flag) / LOG_2;
     const isActive = (si.flags & flag) === flag;
 
@@ -264,11 +254,9 @@ const Scheduler = () => {
         <Divider orientation="vertical" flexItem />
       </>
     );
-    },
+  };
-    [dow]
-  );
 
-  const scheduleType = useCallback((si: ScheduleItem) => {
+  const scheduleType = (si: ScheduleItem) => {
     const label = scheduleTypeLabels[si.flags];
 
     return (
@@ -278,9 +266,9 @@ const Scheduler = () => {
         </Typography>
       </Box>
     );
-  }, []);
+  };
 
-  const renderSchedule = useCallback(() => {
+  const renderSchedule = () => {
     if (!schedule) {
       return (
         <FormLoader onRetry={fetchSchedule} errorMessage={error?.message || ''} />
@@ -343,17 +331,7 @@ const Scheduler = () => {
         )}
       </Table>
     );
-  }, [
+  };
-    schedule,
-    error,
-    fetchSchedule,
-    filteredAndSortedSchedule,
-    schedule_theme,
-    editScheduleItem,
-    LL,
-    dayBox,
-    scheduleType
-  ]);
 
   return (
     <SectionContent>

interface/src/app/main/SchedulerDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import AddIcon from '@mui/icons-material/Add';
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -60,6 +60,12 @@ const FLAG_VALUES = [
   ScheduleFlag.SCHEDULE_SAT
 ] as const;
 
+const getFlagDOWnumber = (flags: string[]) =>
+  flags.reduce((acc, flag) => acc | Number(flag), 0) & FLAG_MASK_127;
+
+const getFlagDOWstring = (f: number) =>
+  FLAG_VALUES.filter((flag) => (f & flag) === flag).map((flag) => String(flag));
+
 interface SchedulerDialogProps {
   open: boolean;
   creating: boolean;
@@ -84,14 +90,10 @@ const SchedulerDialog = ({
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
   const [scheduleType, setScheduleType] = useState<ScheduleFlag>();
 
-  const updateFormValue = useMemo(
+  const updateFormValue = updateValue(
-    () =>
-      updateValue(
     setEditItem as unknown as React.Dispatch<
       React.SetStateAction<Record<string, unknown>>
     >
-      ),
-    []
   );
 
   useEffect(() => {
@@ -112,9 +114,7 @@ const SchedulerDialog = ({
     }
   }, [open, selectedItem]);
 
-  // Helper function to handle save operations
+  const handleSave = async (itemToSave: ScheduleItem) => {
-  const handleSave = useCallback(
-    async (itemToSave: ScheduleItem) => {
     try {
       setFieldErrors(undefined);
       await validate(validator, itemToSave);
@@ -122,36 +122,21 @@ const SchedulerDialog = ({
     } catch (error) {
       setFieldErrors((error as ValidationError).fieldErrors);
     }
-    },
+  };
-    [validator, onSave]
-  );
 
-  const save = useCallback(async () => {
+  const save = async () => {
     await handleSave(editItem);
-  }, [editItem, handleSave]);
+  };
 
-  const saveandactivate = useCallback(async () => {
+  const saveandactivate = async () => {
     await handleSave({ ...editItem, active: true });
-  }, [editItem, handleSave]);
+  };
 
-  const remove = useCallback(() => {
+  const remove = () => {
     onSave({ ...editItem, deleted: true });
-  }, [editItem, onSave]);
+  };
 
-  // Optimize DOW flag conversion
+  const DayOfWeekButton = (flag: number) => {
-  const getFlagDOWnumber = useCallback((flags: string[]) => {
-    return flags.reduce((acc, flag) => acc | Number(flag), 0) & FLAG_MASK_127;
-  }, []);
-
-  const getFlagDOWstring = useCallback((f: number) => {
-    return FLAG_VALUES.filter((flag) => (f & flag) === flag).map((flag) =>
-      String(flag)
-    );
-  }, []);
-
-  // Day of week display component
-  const DayOfWeekButton = useCallback(
-    (flag: number) => {
     const dayIndex = Math.log2(flag);
     const isSelected = (editItem.flags & flag) === flag;
     return (
@@ -162,21 +147,21 @@ const SchedulerDialog = ({
         {dow[dayIndex]}
       </Typography>
     );
-    },
+  };
-    [editItem.flags, dow]
-  );
 
-  const handleClose = useCallback(
+  const handleClose = (
-    (_event: React.SyntheticEvent, reason: 'backdropClick' | 'escapeKeyDown') => {
+    _event: React.SyntheticEvent,
+    reason: 'backdropClick' | 'escapeKeyDown'
+  ) => {
     if (reason !== 'backdropClick') {
       onClose();
     }
-    },
+  };
-    [onClose]
-  );
 
-  const handleScheduleTypeChange = useCallback(
+  const handleScheduleTypeChange = (
-    (_event: React.SyntheticEvent<HTMLElement>, flag: ScheduleFlag | null) => {
+    _event: React.SyntheticEvent<HTMLElement>,
+    flag: ScheduleFlag | null
+  ) => {
     if (flag !== null) {
       setFieldErrors(undefined); // clear any validation errors
       setScheduleType(flag);
@@ -185,56 +170,39 @@ const SchedulerDialog = ({
       const newFlags = flag === ScheduleFlag.SCHEDULE_DAY ? FLAG_ALL_DAYS : flag;
       setEditItem((prev) => ({ ...prev, time: '', flags: newFlags }));
     }
-    },
+  };
-    []
-  );
 
-  const handleDOWChange = useCallback(
+  const handleDOWChange = (
-    (_event: React.SyntheticEvent<HTMLElement>, flags: string[]) => {
+    _event: React.SyntheticEvent<HTMLElement>,
+    flags: string[]
+  ) => {
     const newFlags =
       getFlagDOWnumber(flags) === 0 ? FLAG_ALL_DAYS : getFlagDOWnumber(flags);
     setEditItem((prev) => ({ ...prev, flags: newFlags }));
-    },
+  };
-    [getFlagDOWnumber]
-  );
 
-  // Memoize derived values
+  const isDaySchedule = scheduleType === ScheduleFlag.SCHEDULE_DAY;
-  const isDaySchedule = useMemo(
+  const isTimerSchedule = scheduleType === ScheduleFlag.SCHEDULE_TIMER;
-    () => scheduleType === ScheduleFlag.SCHEDULE_DAY,
+  const isImmediateSchedule = scheduleType === ScheduleFlag.SCHEDULE_IMMEDIATE;
-    [scheduleType]
+  const needsTimeField = isDaySchedule || isTimerSchedule;
-  );
-  const isTimerSchedule = useMemo(
-    () => scheduleType === ScheduleFlag.SCHEDULE_TIMER,
-    [scheduleType]
-  );
-  const isImmediateSchedule = useMemo(
-    () => scheduleType === ScheduleFlag.SCHEDULE_IMMEDIATE,
-    [scheduleType]
-  );
-  const needsTimeField = useMemo(
-    () => isDaySchedule || isTimerSchedule,
-    [isDaySchedule, isTimerSchedule]
-  );
 
-  const dowFlags = useMemo(
+  const dowFlags = getFlagDOWstring(editItem.flags);
-    () => getFlagDOWstring(editItem.flags),
-    [editItem.flags, getFlagDOWstring]
-  );
 
-  const timeFieldValue = useMemo(() => {
+  const timeFieldValue = needsTimeField
-    if (needsTimeField) {
+    ? editItem.time === ''
-      return editItem.time === '' ? DEFAULT_TIME : editItem.time;
+      ? DEFAULT_TIME
-    }
+      : editItem.time
-    return editItem.time === DEFAULT_TIME ? '' : editItem.time;
+    : editItem.time === DEFAULT_TIME
-  }, [editItem.time, needsTimeField]);
+      ? ''
+      : editItem.time;
 
-  const timeFieldLabel = useMemo(() => {
+  const timeFieldLabel = (() => {
     if (scheduleType === ScheduleFlag.SCHEDULE_TIMER) return LL.TIMER(1);
     if (scheduleType === ScheduleFlag.SCHEDULE_CONDITION) return LL.CONDITION();
     if (scheduleType === ScheduleFlag.SCHEDULE_ONCHANGE) return LL.ONCHANGE();
     if (scheduleType === ScheduleFlag.SCHEDULE_IMMEDIATE) return LL.IMMEDIATE();
     return LL.TIME(1);
-  }, [scheduleType, LL]);
+  })();
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>

interface/src/app/main/Sensors.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useContext, useMemo, useRef, useState } from 'react';
+import { useContext, useRef, useState } from 'react';
 import { toast } from 'react-toastify';
 
 import AddCircleOutlineOutlinedIcon from '@mui/icons-material/AddCircleOutlineOutlined';
@@ -158,18 +158,16 @@ const Sensors = () => {
     }
   );
 
-  const intervalCallback = useCallback(() => {
+  useInterval(() => {
     if (!temperatureDialogOpen && !analogDialogOpen) {
       void fetchSensorData();
     }
-  }, [temperatureDialogOpen, analogDialogOpen, fetchSensorData]);
+  });
-
-  useInterval(intervalCallback);
 
   const temperature_theme = useTheme([common_theme, temperature_theme_config]);
   const analog_theme = useTheme([common_theme, analog_theme_config]);
 
-  const getSortIcon = useCallback((state: State, sortKey: unknown) => {
+  const getSortIcon = (state: State, sortKey: unknown) => {
     if (state.sortKey === sortKey && state.reverse) {
       return <KeyboardArrowDownOutlinedIcon />;
     }
@@ -177,7 +175,7 @@ const Sensors = () => {
       return <KeyboardArrowUpOutlinedIcon />;
     }
     return <UnfoldMoreOutlinedIcon />;
-  }, []);
+  };
 
   const analog_sort = useSort(
     { nodes: sensorData.as },
@@ -234,8 +232,7 @@ const Sensors = () => {
 
   useLayoutTitle(LL.SENSORS());
 
-  const formatDurationMin = useCallback(
+  const formatDurationMin = (duration_min: number) => {
-    (duration_min: number) => {
     const totalMs = duration_min * MS_PER_MINUTE;
     const days = Math.trunc(totalMs / MS_PER_DAY);
     const hours = Math.trunc(totalMs / MS_PER_HOUR) % 24;
@@ -252,12 +249,9 @@ const Sensors = () => {
       parts.push(LL.NUM_MINUTES({ num: minutes }));
     }
     return parts.join(' ');
-    },
+  };
-    [LL]
-  );
 
-  const formatValue = useCallback(
+  const formatValue = (value: unknown, uom: DeviceValueUOM) => {
-    (value: unknown, uom: DeviceValueUOM) => {
     if (value === undefined) {
       return '';
     }
@@ -286,28 +280,22 @@ const Sensors = () => {
       default:
         return new Intl.NumberFormat().format(value) + ' ' + DeviceValueUOM_s[uom];
     }
-    },
+  };
-    [formatDurationMin, LL]
-  );
 
-  const updateTemperatureSensor = useCallback(
+  const updateTemperatureSensor = (ts: TemperatureSensor) => {
-    (ts: TemperatureSensor) => {
     if (me.admin) {
       ts.o_n = ts.n;
       setSelectedTemperatureSensor(ts);
       setTemperatureDialogOpen(true);
     }
-    },
+  };
-    [me.admin]
-  );
 
-  const onTemperatureDialogClose = useCallback(() => {
+  const onTemperatureDialogClose = () => {
     setTemperatureDialogOpen(false);
     void fetchSensorData();
-  }, [fetchSensorData]);
+  };
 
-  const onTemperatureDialogSave = useCallback(
+  const onTemperatureDialogSave = async (ts: TemperatureSensor) => {
-    async (ts: TemperatureSensor) => {
     await sendTemperatureSensor({
       id: ts.id,
       name: ts.n,
@@ -325,28 +313,23 @@ const Sensors = () => {
         setSelectedTemperatureSensor(undefined);
         void fetchSensorData();
       });
-    },
+  };
-    [sendTemperatureSensor, LL, fetchSensorData]
-  );
 
-  const updateAnalogSensor = useCallback(
+  const updateAnalogSensor = (as: AnalogSensor) => {
-    (as: AnalogSensor) => {
     if (me.admin) {
       setCreating(false);
       as.o_n = as.n;
       setSelectedAnalogSensor(as);
       setAnalogDialogOpen(true);
     }
-    },
+  };
-    [me.admin]
-  );
 
-  const onAnalogDialogClose = useCallback(() => {
+  const onAnalogDialogClose = () => {
     setAnalogDialogOpen(false);
     void fetchSensorData();
-  }, [fetchSensorData]);
+  };
 
-  const addAnalogSensor = useCallback(() => {
+  const addAnalogSensor = () => {
     if (firstAvailableGPIO.current === undefined) {
       toast.error(LL.NO_GPIO());
       return;
@@ -366,10 +349,9 @@ const Sensors = () => {
       o_n: ''
     });
     setAnalogDialogOpen(true);
-  }, []);
+  };
 
-  const onAnalogDialogSave = useCallback(
+  const onAnalogDialogSave = async (as: AnalogSensor) => {
-    async (as: AnalogSensor) => {
     await sendAnalogSensor({
       id: as.id,
       gpio: as.g,
@@ -392,12 +374,9 @@ const Sensors = () => {
         setSelectedAnalogSensor(undefined);
         void fetchSensorData();
       });
-    },
+  };
-    [sendAnalogSensor, LL, fetchSensorData]
-  );
 
-  const RenderAnalogSensors = useMemo(
+  const RenderAnalogSensors = (
-    () => (
     <Table
       data={{ nodes: sensorData.as }}
       theme={analog_theme}
@@ -443,9 +422,7 @@ const Sensors = () => {
                   fullWidth
                   style={HEADER_BUTTON_STYLE_END}
                   endIcon={getSortIcon(analog_sort.state, 'VALUE')}
-                    onClick={() =>
+                  onClick={() => analog_sort.fns.onToggleSort({ sortKey: 'VALUE' })}
-                      analog_sort.fns.onToggleSort({ sortKey: 'VALUE' })
-                    }
                 >
                   {LL.VALUE(0)}
                 </Button>
@@ -478,20 +455,9 @@ const Sensors = () => {
         </>
       )}
     </Table>
-    ),
-    [
-      analog_sort,
-      analog_theme,
-      getSortIcon,
-      sensorData.as,
-      LL,
-      updateAnalogSensor,
-      formatValue
-    ]
   );
 
-  const RenderTemperatureSensors = useMemo(
+  const RenderTemperatureSensors = (
-    () => (
     <Table
       data={{ nodes: sensorData.ts }}
       theme={temperature_theme}
@@ -544,16 +510,6 @@ const Sensors = () => {
         </>
       )}
     </Table>
-    ),
-    [
-      temperature_sort,
-      temperature_theme,
-      getSortIcon,
-      sensorData.ts,
-      LL,
-      updateTemperatureSensor,
-      formatValue
-    ]
   );
 
   return (

interface/src/app/main/SensorsAnalogDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
@@ -53,62 +53,38 @@ const SensorsAnalogDialog = ({
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
   const [editItem, setEditItem] = useState<AnalogSensor>(selectedItem);
 
-  const updateFormValue = useMemo(
+  const updateFormValue = updateValue((updater) =>
-    () =>
-      updateValue((updater) =>
     setEditItem(
       (prev) =>
         updater(
           prev as unknown as Record<string, unknown>
         ) as unknown as AnalogSensor
     )
-      ),
-    [setEditItem]
   );
 
-  // Memoize helper functions to check sensor type conditions
+  const isCounterOrRate =
-  const isCounterOrRate = useMemo(
-    () =>
     editItem.t === AnalogType.COUNTER ||
     editItem.t === AnalogType.RATE ||
-      (editItem.t >= AnalogType.CNT_0 && editItem.t <= AnalogType.CNT_2),
+    (editItem.t >= AnalogType.CNT_0 && editItem.t <= AnalogType.CNT_2);
-    [editItem.t]
+  const isCounter =
-  );
-  const isCounter = useMemo(
-    () =>
     editItem.t === AnalogType.COUNTER ||
-      (editItem.t >= AnalogType.CNT_0 && editItem.t <= AnalogType.CNT_2),
+    (editItem.t >= AnalogType.CNT_0 && editItem.t <= AnalogType.CNT_2);
-    [editItem.t]
+  const isFreqType =
-  );
+    editItem.t >= AnalogType.FREQ_0 && editItem.t <= AnalogType.FREQ_2;
-  const isFreqType = useMemo(
+  const isPWM =
-    () => editItem.t >= AnalogType.FREQ_0 && editItem.t <= AnalogType.FREQ_2,
-    [editItem.t]
-  );
-  const isPWM = useMemo(
-    () =>
     editItem.t === AnalogType.PWM_0 ||
     editItem.t === AnalogType.PWM_1 ||
-      editItem.t === AnalogType.PWM_2,
+    editItem.t === AnalogType.PWM_2;
-    [editItem.t]
+  const isDACOutGPIO =
-  );
-  const isDACOutGPIO = useMemo(
-    () =>
     editItem.t === AnalogType.DIGITAL_OUT &&
-      (editItem.g === 25 || editItem.g === 26),
+    (editItem.g === 25 || editItem.g === 26);
-    [editItem.t, editItem.g]
+  const isDigitalOutGPIO =
-  );
+    editItem.t === AnalogType.DIGITAL_OUT && editItem.g !== 25 && editItem.g !== 26;
-  const isDigitalOutGPIO = useMemo(
-    () =>
-      editItem.t === AnalogType.DIGITAL_OUT &&
-      editItem.g !== 25 &&
-      editItem.g !== 26,
-    [editItem.t, editItem.g]
-  );
 
-  // Memoize menu items to avoid recreation on each render
+  const analogTypeMenuItems = AnalogTypeNames.map((val, i) => ({
-  const analogTypeMenuItems = useMemo(
+    name: val,
-    () =>
+    value: i + 1
-      AnalogTypeNames.map((val, i) => ({ name: val, value: i + 1 }))
+  }))
     .sort((a, b) => a.name.localeCompare(b.name))
     .map(({ name, value }) => (
       <MenuItem
@@ -118,19 +94,13 @@ const SensorsAnalogDialog = ({
       >
         {name}
       </MenuItem>
-        )),
+    ));
-    [disabledTypeList]
-  );
 
-  const uomMenuItems = useMemo(
+  const uomMenuItems = DeviceValueUOM_s.map((val, i) => (
-    () =>
-      DeviceValueUOM_s.map((val, i) => (
     <MenuItem key={val} value={i}>
       {val}
     </MenuItem>
-      )),
+  ));
-    []
-  );
 
   const analogGPIOMenuItems = () =>
     // add selectedItem.g to the list
@@ -157,16 +127,16 @@ const SensorsAnalogDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleClose = useCallback(
+  const handleClose = (
-    (_event: React.SyntheticEvent, reason: 'backdropClick' | 'escapeKeyDown') => {
+    _event: React.SyntheticEvent,
+    reason: 'backdropClick' | 'escapeKeyDown'
+  ) => {
     if (reason !== 'backdropClick') {
       onClose();
     }
-    },
+  };
-    [onClose]
-  );
 
-  const save = useCallback(async () => {
+  const save = async () => {
     try {
       setFieldErrors(undefined);
       await validate(validator, editItem);
@@ -174,17 +144,13 @@ const SensorsAnalogDialog = ({
     } catch (error) {
       setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [validator, editItem, onSave]);
+  };
 
-  const remove = useCallback(() => {
+  const remove = () => {
     onSave({ ...editItem, d: true });
-  }, [editItem, onSave]);
+  };
 
-  const dialogTitle = useMemo(
+  const dialogTitle = `${creating ? LL.ADD(1) + ' ' + LL.NEW(0) : LL.EDIT()} ${LL.ANALOG_SENSOR(0)}`;
-    () =>
-      `${creating ? LL.ADD(1) + ' ' + LL.NEW(0) : LL.EDIT()} ${LL.ANALOG_SENSOR(0)}`,
-    [creating, LL]
-  );
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>

interface/src/app/main/SensorsTemperatureDialog.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
@@ -50,16 +50,12 @@ const SensorsTemperatureDialog = ({
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
   const [editItem, setEditItem] = useState<TemperatureSensor>(selectedItem);
 
-  const updateFormValue = useMemo(
+  const updateFormValue = updateValue(
-    () =>
-      updateValue(
     setEditItem as unknown as (
       updater: (
         prevState: Readonly<Record<string, unknown>>
       ) => Record<string, unknown>
     ) => void
-      ),
-    [setEditItem]
   );
 
   useEffect(() => {
@@ -69,16 +65,13 @@ const SensorsTemperatureDialog = ({
     }
   }, [open, selectedItem]);
 
-  const handleClose = useCallback(
+  const handleClose = (_event: React.SyntheticEvent, reason?: string) => {
-    (_event: React.SyntheticEvent, reason?: string) => {
     if (reason !== 'backdropClick') {
       onClose();
     }
-    },
+  };
-    [onClose]
-  );
 
-  const save = useCallback(async () => {
+  const save = async () => {
     try {
       setFieldErrors(undefined);
       await validate(validator, editItem);
@@ -86,29 +79,11 @@ const SensorsTemperatureDialog = ({
     } catch (error) {
       setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [validator, editItem, onSave]);
+  };
-
-  const dialogTitle = useMemo(() => `${LL.EDIT()} ${LL.TEMP_SENSOR()}`, [LL]);
-
-  const offsetValue = useMemo(() => numberValue(editItem.o), [editItem.o]);
-
-  const slotProps = useMemo(
-    () => ({
-      input: {
-        startAdornment: <InputAdornment position="start">{TEMP_UNIT}</InputAdornment>
-      },
-      htmlInput: {
-        min: OFFSET_MIN,
-        max: OFFSET_MAX,
-        step: OFFSET_STEP
-      }
-    }),
-    []
-  );
 
   return (
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>
-      <DialogTitle>{dialogTitle}</DialogTitle>
+      <DialogTitle>{`${LL.EDIT()} ${LL.TEMP_SENSOR()}`}</DialogTitle>
       <DialogContent dividers>
         <Typography sx={{ mb: 2 }} color="warning" variant="body2">
           {LL.ID_OF(LL.SENSOR(0))}: {editItem.id}
@@ -128,12 +103,23 @@ const SensorsTemperatureDialog = ({
             <TextField
               name="o"
               label={LL.OFFSET()}
-              value={offsetValue}
+              value={numberValue(editItem.o)}
               sx={{ width: '11ch' }}
               type="number"
               variant="outlined"
               onChange={updateFormValue}
-              slotProps={slotProps}
+              slotProps={{
+                input: {
+                  startAdornment: (
+                    <InputAdornment position="start">{TEMP_UNIT}</InputAdornment>
+                  )
+                },
+                htmlInput: {
+                  min: OFFSET_MIN,
+                  max: OFFSET_MAX,
+                  step: OFFSET_STEP
+                }
+              }}
             />
           </Grid>
         </Grid>

interface/src/app/main/UserProfile.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext } from 'react';
+import { memo, useContext } from 'react';
 
 import PersonIcon from '@mui/icons-material/Person';
 import {
@@ -23,9 +23,9 @@ const UserProfileComponent = () => {
 
   useLayoutTitle(LL.USER_PROFILE());
 
-  const handleSignOut = useCallback(() => {
+  const handleSignOut = () => {
     signOut(true);
-  }, [signOut]);
+  };
 
   return (
     <SectionContent>

interface/src/app/main/types.ts

@@ -43,6 +43,16 @@ export interface Settings {
   modbus_port: number;
   modbus_max_clients: number;
   modbus_timeout: number;
+  email_enabled: boolean;
+  email_ssl?: boolean;
+  email_starttls?: boolean;
+  email_server: string;
+  email_port: number;
+  email_login: string;
+  email_pass: string;
+  email_sender: string;
+  email_recp: string;
+  email_subject: string;
   developer_mode: boolean;
 }
 

interface/src/app/settings/APSettings.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import WarningIcon from '@mui/icons-material/Warning';
@@ -24,7 +24,6 @@ import { numberValue, updateValueDirty, useRest } from 'utils';
 import { ValidationError, createAPSettingsValidator, validate } from 'validators';
 
 export const isAPEnabled = ({ provision_mode }: APSettingsType) =>
-  provision_mode === APProvisionMode.AP_MODE_ALWAYS ||
   provision_mode === APProvisionMode.AP_MODE_DISCONNECTED;
 
 // Efficient range function without recursion
@@ -63,22 +62,16 @@ const APSettings = () => {
 
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
 
-  const updateFormValue = useMemo(
+  const updateFormValue = updateValueDirty(
-    () =>
-      updateValueDirty(
     origData as unknown as Record<string, unknown>,
     dirtyFlags,
     setDirtyFlags,
     updateDataValue as (value: unknown) => void
-      ),
-    [origData, dirtyFlags, setDirtyFlags, updateDataValue]
   );
 
-  // Memoize AP enabled state
+  const apEnabled = data ? isAPEnabled(data) : false;
-  const apEnabled = useMemo(() => (data ? isAPEnabled(data) : false), [data]);
 
-  // Memoize validation and submit handler
+  const validateAndSubmit = async () => {
-  const validateAndSubmit = useCallback(async () => {
     if (!data) return;
 
     try {
@@ -88,7 +81,7 @@ const APSettings = () => {
     } catch (error) {
       setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [data, saveData]);
+  };
 
   const content = () => {
     if (!data) {
@@ -108,9 +101,6 @@ const APSettings = () => {
           onChange={updateFormValue}
           margin="normal"
         >
-          <MenuItem value={APProvisionMode.AP_MODE_ALWAYS}>
-            {LL.AP_PROVIDE_TEXT_1()}
-          </MenuItem>
           <MenuItem value={APProvisionMode.AP_MODE_DISCONNECTED}>
             {LL.AP_PROVIDE_TEXT_2()}
           </MenuItem>

interface/src/app/settings/ApplicationSettings.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { toast } from 'react-toastify';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -28,6 +28,7 @@ import {
   FormLoader,
   MessageBox,
   SectionContent,
+  ValidatedPasswordField,
   ValidatedTextField,
   useLayoutTitle
 } from 'components';
@@ -106,49 +107,36 @@ const ApplicationSettings = () => {
     });
   });
 
-  // Memoized input props to prevent recreation on every render
+  const SecondsInputProps = {
-  const SecondsInputProps = useMemo(
-    () => ({
     endAdornment: <InputAdornment position="end">{LL.SECONDS()}</InputAdornment>
-    }),
+  };
-    [LL]
-  );
 
-  const MinutesInputProps = useMemo(
+  const MinutesInputProps = {
-    () => ({
     endAdornment: <InputAdornment position="end">{LL.MINUTES()}</InputAdornment>
-    }),
+  };
-    [LL]
-  );
 
-  const HoursInputProps = useMemo(
+  const HoursInputProps = {
-    () => ({
     endAdornment: <InputAdornment position="end">{LL.HOURS()}</InputAdornment>
-    }),
+  };
-    [LL]
-  );
 
-  const doRestart = useCallback(async () => {
+  const doRestart = async () => {
     setRestarting(true);
     await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
       (error: Error) => {
         toast.error(error.message);
       }
     );
-  }, [sendAPI]);
+  };
 
-  const updateBoardProfile = useCallback(
+  const updateBoardProfile = async (board_profile: string) => {
-    async (board_profile: string) => {
     await readBoardProfile(board_profile).catch((error: Error) => {
       toast.error(error.message);
     });
-    },
+  };
-    [readBoardProfile]
-  );
 
   useLayoutTitle(LL.APPLICATION());
 
-  const validateAndSubmit = useCallback(async () => {
+  const validateAndSubmit = async () => {
     try {
       setFieldErrors(undefined);
       await validate(createSettingsValidator(data), data);
@@ -157,10 +145,9 @@ const ApplicationSettings = () => {
     } finally {
       await saveData();
     }
-  }, [data, saveData]);
+  };
 
-  const changeBoardProfile = useCallback(
+  const changeBoardProfile = (event: React.ChangeEvent<HTMLInputElement>) => {
-    (event: React.ChangeEvent<HTMLInputElement>) => {
     const boardProfile = event.target.value;
     updateFormValue(event);
     if (boardProfile === 'CUSTOM') {
@@ -171,17 +158,29 @@ const ApplicationSettings = () => {
     } else {
       void updateBoardProfile(boardProfile);
     }
-    },
+  };
-    [data, updateBoardProfile, updateFormValue, updateDataValue]
-  );
 
-  const restart = useCallback(async () => {
+  const restart = async () => {
     await validateAndSubmit();
     await doRestart();
-  }, [validateAndSubmit, doRestart]);
+  };
 
-  // Memoize board profile select items to prevent recreation
+  const sendmail = async () => {
-  const boardProfileItems = useMemo(() => boardProfileSelectItems(), []);
+    await sendAPI({
+      device: 'system',
+      cmd: 'sendmail',
+      data: 'testmail',
+      id: 0
+    })
+      .then(() => {
+        toast.success(LL.SUCCESSFUL());
+      })
+      .catch((error: Error) => {
+        toast.error(error.message);
+      });
+  };
+
+  const boardProfileItems = boardProfileSelectItems();
 
   const content = () => {
     if (!data || !hardwareData) {
@@ -351,6 +350,169 @@ const ApplicationSettings = () => {
             </Grid>
           </Grid>
         )}
+        <Typography color="secondary">eMail</Typography>
+        <BlockFormControlLabel
+          control={
+            <Checkbox
+              checked={data.email_enabled}
+              onChange={updateFormValue}
+              name="email_enabled"
+              disabled={!hardwareData.psram}
+            />
+          }
+          label={
+            <Typography color={!hardwareData.psram ? 'grey' : 'default'}>
+              Enable eMail notification
+              {!hardwareData.psram && (
+                <Typography variant="caption">
+                  &nbsp; &#40;{LL.IS_REQUIRED('PSRAM')}&#41;
+                </Typography>
+              )}
+            </Typography>
+          }
+        />
+        {data.email_enabled && (
+          <>
+            <Grid
+              container
+              spacing={2}
+              direction="row"
+              sx={{ justifyContent: 'flex-start', alignItems: 'flex-start' }}
+            >
+              <Grid>
+                <ValidatedTextField
+                  fieldErrors={fieldErrors || {}}
+                  name="email_server"
+                  label="SMTP Server"
+                  variant="outlined"
+                  value={data.email_server}
+                  onChange={updateFormValue}
+                  margin="normal"
+                />
+              </Grid>
+              <Grid>
+                <ValidatedTextField
+                  fieldErrors={fieldErrors || {}}
+                  sx={{ width: '12ch' }}
+                  name="email_port"
+                  variant="outlined"
+                  label="Port"
+                  value={numberValue(data.email_port)}
+                  type="number"
+                  onChange={updateFormValue}
+                  margin="normal"
+                />
+              </Grid>
+              <Grid
+                size={4}
+                sx={{ mt: !data.email_ssl && !data.email_starttls ? 0 : 3 }}
+              >
+                {!data.email_starttls && (
+                  <BlockFormControlLabel
+                    sx={{ width: '12ch' }}
+                    control={
+                      <Checkbox
+                        checked={data.email_ssl}
+                        onChange={updateFormValue}
+                        name="email_ssl"
+                        disabled={
+                          data.email_starttls || data.email_ssl === undefined
+                        }
+                      />
+                    }
+                    label="SSL/TLS"
+                  />
+                )}
+                {!data.email_ssl && (
+                  <BlockFormControlLabel
+                    sx={{ width: '12ch' }}
+                    control={
+                      <Checkbox
+                        checked={data.email_starttls}
+                        onChange={updateFormValue}
+                        name="email_starttls"
+                        disabled={
+                          data.email_ssl || data.email_starttls === undefined
+                        }
+                      />
+                    }
+                    label="STARTTLS"
+                  />
+                )}
+              </Grid>
+            </Grid>
+            <Grid container spacing={2} rowSpacing={0}>
+              <Grid>
+                <ValidatedTextField
+                  fieldErrors={fieldErrors || {}}
+                  name="email_login"
+                  label="Login"
+                  variant="outlined"
+                  value={data.email_login}
+                  onChange={updateFormValue}
+                  margin="normal"
+                />
+              </Grid>
+              <Grid>
+                <ValidatedPasswordField
+                  fieldErrors={fieldErrors || {}}
+                  name="email_pass"
+                  label="Password"
+                  variant="outlined"
+                  value={data.email_pass}
+                  onChange={updateFormValue}
+                  margin="normal"
+                />
+              </Grid>
+            </Grid>
+            <Grid container spacing={2} rowSpacing={0}>
+              <Grid>
+                <ValidatedTextField
+                  fieldErrors={fieldErrors || {}}
+                  name="email_sender"
+                  label="From"
+                  variant="outlined"
+                  value={data.email_sender}
+                  onChange={updateFormValue}
+                  margin="normal"
+                />
+              </Grid>
+              <Grid>
+                <ValidatedTextField
+                  fieldErrors={fieldErrors || {}}
+                  name="email_recp"
+                  label="To"
+                  variant="outlined"
+                  value={data.email_recp}
+                  onChange={updateFormValue}
+                  margin="normal"
+                />
+              </Grid>
+              <Grid>
+                <ValidatedTextField
+                  fieldErrors={fieldErrors || {}}
+                  name="email_subject"
+                  label="Subject"
+                  variant="outlined"
+                  value={data.email_subject}
+                  onChange={updateFormValue}
+                  margin="normal"
+                />
+              </Grid>
+              <Grid>
+                <Button
+                  sx={{ mt: 3 }}
+                  variant="outlined"
+                  color="primary"
+                  disabled={dirtyFlags.length !== 0}
+                  onClick={sendmail}
+                >
+                  Send Testmail
+                </Button>
+              </Grid>
+            </Grid>
+          </>
+        )}
         <Typography sx={{ pb: 1, pt: 2 }} variant="h6" color="primary">
           {LL.SENSORS()}
         </Typography>

interface/src/app/settings/DownloadUpload.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { toast } from 'react-toastify';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -57,7 +57,7 @@ const DownloadUpload = () => {
 
   const { data, send: loadData, error } = useRequest(SystemApi.readSystemStatus);
 
-  const doRestart = useCallback(async () => {
+  const doRestart = async () => {
     setRestarting(true);
     try {
       await sendAPI({ device: 'system', cmd: 'restart', id: 0 });
@@ -65,16 +65,33 @@ const DownloadUpload = () => {
       toast.error((error as Error).message);
       setRestarting(false);
     }
-  }, [sendAPI]);
+  };
 
   useLayoutTitle(LL.DOWNLOAD_UPLOAD());
 
-  const handleCloseBackupDialog = useCallback(() => {
+  const handleCloseBackupDialog = () => {
     setConfirmBackup(false);
-  }, []);
+  };
 
-  const renderBackupDialog = useMemo(
+  const handleDownload = (type: string) => () => {
-    () => (
+    void sendExportData(type);
+    setConfirmBackup(false);
+  };
+
+  if (restarting) {
+    return <SystemMonitor />;
+  }
+
+  if (!data) {
+    return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
+  }
+
+  return (
+    <SectionContent>
       <Dialog
         sx={dialogStyle}
         open={confirmBackup}
@@ -98,40 +115,13 @@ const DownloadUpload = () => {
           <Button
             startIcon={<DownloadIcon />}
             variant="outlined"
-            onClick={() => handleDownload('systembackup')()}
+            onClick={handleDownload('systembackup')}
             color="primary"
           >
             {LL.DOWNLOAD(0)}
           </Button>
         </DialogActions>
       </Dialog>
-    ),
-    [confirmBackup, handleCloseBackupDialog, LL]
-  );
-
-  const handleDownload = useCallback(
-    (type: string) => () => {
-      void sendExportData(type);
-      setConfirmBackup(false);
-    },
-    [sendExportData]
-  );
-
-  if (restarting) {
-    return <SystemMonitor />;
-  }
-
-  if (!data) {
-    return (
-      <SectionContent>
-        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
-      </SectionContent>
-    );
-  }
-
-  return (
-    <SectionContent>
-      {renderBackupDialog}
 
       <Typography sx={{ pb: 2 }} variant="h6" color="primary">
         {LL.DOWNLOAD(0)}

interface/src/app/settings/MqttSettings.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { toast } from 'react-toastify';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -57,7 +57,7 @@ const MqttSettings = () => {
 
   const [fieldErrors, setFieldErrors] = useState<ValidateFieldsError>();
 
-  const sendResetMQTT = useCallback(() => {
+  const sendResetMQTT = () => {
     void callAction({ action: 'resetMQTT' })
       .then(() => {
         toast.success('MQTT ' + LL.REFRESH() + ' successful');
@@ -65,29 +65,20 @@ const MqttSettings = () => {
       .catch((error) => {
         toast.error(String(error.error?.message || 'An error occurred'));
       });
-  }, []);
+  };
 
-  const updateFormValue = useMemo(
+  const updateFormValue = updateValueDirty(
-    () =>
-      updateValueDirty(
     origData as unknown as Record<string, unknown>,
     dirtyFlags,
     setDirtyFlags,
     updateDataValue as (value: unknown) => void
-      ),
-    [origData, dirtyFlags, setDirtyFlags, updateDataValue]
   );
 
-  const SecondsInputProps = useMemo(
+  const SecondsInputProps = {
-    () => ({
     endAdornment: <InputAdornment position="end">{LL.SECONDS()}</InputAdornment>
-    }),
+  };
-    [LL]
-  );
 
-  const emptyFieldErrors = useMemo(() => ({}), []);
+  const validateAndSubmit = async () => {
-
-  const validateAndSubmit = useCallback(async () => {
     if (!data) return;
     try {
       setFieldErrors(undefined);
@@ -96,10 +87,9 @@ const MqttSettings = () => {
     } catch (error) {
       setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [data, saveData]);
+  };
 
-  const publishIntervalFields = useMemo(
+  const publishIntervalFields = [
-    () => [
     { name: 'publish_time_heartbeat', label: 'Heartbeat', validated: true },
     { name: 'publish_time_boiler', label: LL.MQTT_INT_BOILER(), validated: false },
     {
@@ -112,9 +102,7 @@ const MqttSettings = () => {
     { name: 'publish_time_water', label: LL.MQTT_INT_WATER(), validated: false },
     { name: 'publish_time_sensor', label: LL.SENSORS(), validated: false },
     { name: 'publish_time_other', label: LL.DEFAULT(0), validated: false }
-    ],
+  ];
-    [LL]
-  );
 
   if (!data) {
     return (
@@ -154,7 +142,7 @@ const MqttSettings = () => {
         <Grid container spacing={2} rowSpacing={0}>
           <Grid>
             <ValidatedTextField
-              fieldErrors={fieldErrors ?? emptyFieldErrors}
+              fieldErrors={fieldErrors ?? {}}
               name="host"
               label={LL.ADDRESS_OF(LL.BROKER())}
               multiline
@@ -166,7 +154,7 @@ const MqttSettings = () => {
           </Grid>
           <Grid>
             <ValidatedTextField
-              fieldErrors={fieldErrors ?? emptyFieldErrors}
+              fieldErrors={fieldErrors ?? {}}
               name="port"
               label="Port"
               variant="outlined"
@@ -178,7 +166,7 @@ const MqttSettings = () => {
           </Grid>
           <Grid>
             <ValidatedTextField
-              fieldErrors={fieldErrors ?? emptyFieldErrors}
+              fieldErrors={fieldErrors ?? {}}
               name="base"
               label={LL.BASE_TOPIC()}
               variant="outlined"
@@ -219,7 +207,7 @@ const MqttSettings = () => {
           </Grid>
           <Grid>
             <ValidatedTextField
-              fieldErrors={fieldErrors ?? emptyFieldErrors}
+              fieldErrors={fieldErrors ?? {}}
               name="keep_alive"
               label="Keep Alive"
               slotProps={{
@@ -438,7 +426,7 @@ const MqttSettings = () => {
             <Grid key={field.name}>
               {field.validated ? (
                 <ValidatedTextField
-                  fieldErrors={fieldErrors ?? emptyFieldErrors}
+                  fieldErrors={fieldErrors ?? {}}
                   name={field.name}
                   label={field.label}
                   slotProps={{

interface/src/app/settings/NTPSettings.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useState } from 'react';
 import { toast } from 'react-toastify';
 
 import AccessTimeIcon from '@mui/icons-material/AccessTime';
@@ -61,14 +61,11 @@ const NTPSettings = () => {
   const { LL } = useI18nContext();
   useLayoutTitle('NTP');
 
-  // Memoized timezone select items for better performance
   const timeZoneItems = useTimeZoneSelectItems();
 
-  // Memoized selected timezone value
+  const selectedTzValue = data
-  const selectedTzValue = useMemo(
+    ? selectedTimeZone(data.tz_label, data.tz_format)
-    () => (data ? selectedTimeZone(data.tz_label, data.tz_format) : undefined),
+    : undefined;
-    [data?.tz_label, data?.tz_format]
-  );
 
   const [localTime, setLocalTime] = useState<string>('');
   const [settingTime, setSettingTime] = useState<boolean>(false);
@@ -82,32 +79,22 @@ const NTPSettings = () => {
     }
   );
 
-  // Memoize updateFormValue to prevent recreation on every render
+  const updateFormValue = updateValueDirty(
-  const updateFormValue = useMemo(
-    () =>
-      updateValueDirty(
     origData as unknown as Record<string, unknown>,
     dirtyFlags,
     setDirtyFlags,
     updateDataValue as (value: unknown) => void
-      ),
-    [origData, dirtyFlags, setDirtyFlags, updateDataValue]
   );
 
-  // Memoize updateLocalTime handler
+  const updateLocalTime = (event: React.ChangeEvent<HTMLInputElement>) =>
-  const updateLocalTime = useCallback(
+    setLocalTime(event.target.value);
-    (event: React.ChangeEvent<HTMLInputElement>) => setLocalTime(event.target.value),
-    []
-  );
 
-  // Memoize openSetTime handler
+  const openSetTime = () => {
-  const openSetTime = useCallback(() => {
     setLocalTime(formatLocalDateTime(new Date()));
     setSettingTime(true);
-  }, []);
+  };
 
-  // Memoize configureTime handler
+  const configureTime = async () => {
-  const configureTime = useCallback(async () => {
     setProcessing(true);
 
     try {
@@ -120,13 +107,11 @@ const NTPSettings = () => {
     } finally {
       setProcessing(false);
     }
-  }, [localTime, updateTime, LL, loadData]);
+  };
 
-  // Memoize close dialog handler
+  const handleCloseSetTime = () => setSettingTime(false);
-  const handleCloseSetTime = useCallback(() => setSettingTime(false), []);
 
-  // Memoize validate and submit handler
+  const validateAndSubmit = async () => {
-  const validateAndSubmit = useCallback(async () => {
     if (!data) return;
     try {
       setFieldErrors(undefined);
@@ -135,23 +120,18 @@ const NTPSettings = () => {
     } catch (error) {
       setFieldErrors((error as ValidationError).fieldErrors);
     }
-  }, [data, saveData]);
+  };
 
-  // Memoize timezone change handler
+  const changeTimeZone = (event: React.ChangeEvent<HTMLInputElement>) => {
-  const changeTimeZone = useCallback(
-    (event: React.ChangeEvent<HTMLInputElement>) => {
     void updateState(readNTPSettings(), (settings: NTPSettingsType) => ({
       ...settings,
       tz_label: event.target.value,
       tz_format: TIME_ZONES[event.target.value]
     }));
     updateFormValue(event);
-    },
+  };
-    [updateFormValue]
-  );
 
-  // Memoize render content to prevent unnecessary re-renders
+  const renderContent = () => {
-  const renderContent = useMemo(() => {
     if (!data) {
       return <FormLoader onRetry={loadData} errorMessage={errorMessage || ''} />;
     }
@@ -236,26 +216,12 @@ const NTPSettings = () => {
         )}
       </>
     );
-  }, [
+  };
-    data,
-    errorMessage,
-    loadData,
-    updateFormValue,
-    fieldErrors,
-    selectedTzValue,
-    changeTimeZone,
-    timeZoneItems,
-    dirtyFlags,
-    openSetTime,
-    saving,
-    validateAndSubmit,
-    LL
-  ]);
 
   return (
     <SectionContent>
       {blocker ? <BlockNavigation blocker={blocker} /> : null}
-      {renderContent}
+      {renderContent()}
       <Dialog sx={dialogStyle} open={settingTime} onClose={handleCloseSetTime}>
         <DialogTitle>{LL.SET_TIME(1)}</DialogTitle>
         <DialogContent dividers>

interface/src/app/settings/Settings.tsx

@@ -1,67 +1,43 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useContext } from 'react';
 
 import AccessTimeIcon from '@mui/icons-material/AccessTime';
-import CancelIcon from '@mui/icons-material/Cancel';
+import BuildIcon from '@mui/icons-material/Build';
 import DeviceHubIcon from '@mui/icons-material/DeviceHub';
 import ImportExportIcon from '@mui/icons-material/ImportExport';
 import LockIcon from '@mui/icons-material/Lock';
-import SettingsBackupRestoreIcon from '@mui/icons-material/SettingsBackupRestore';
 import SettingsEthernetIcon from '@mui/icons-material/SettingsEthernet';
 import SettingsInputAntennaIcon from '@mui/icons-material/SettingsInputAntenna';
 import TuneIcon from '@mui/icons-material/Tune';
 import ViewModuleIcon from '@mui/icons-material/ViewModule';
-import {
+import { List } from '@mui/material';
-  Box,
-  Button,
-  Dialog,
-  DialogActions,
-  DialogContent,
-  DialogTitle,
-  Divider,
-  List
-} from '@mui/material';
 
-import { API } from 'api/app';
-
-import { dialogStyle } from 'CustomTheme';
-import { useRequest } from 'alova/client';
-import type { APIcall } from 'app/main/types';
 import { SectionContent, useLayoutTitle } from 'components';
 import ListMenuItem from 'components/layout/ListMenuItem';
+import { AuthenticatedContext } from 'contexts/authentication';
 import { useI18nContext } from 'i18n/i18n-react';
 
-import SystemMonitor from '../status/SystemMonitor';
-
 const Settings = () => {
   const { LL } = useI18nContext();
+  const { versions } = useContext(AuthenticatedContext);
   useLayoutTitle(LL.SETTINGS(0));
 
-  const [confirmFactoryReset, setConfirmFactoryReset] = useState(false);
+  const upgradeAvailable = versions?.current?.upgradeable ?? false;
-  const [restarting, setRestarting] = useState<boolean>();
+  const firmwareText = versions?.current?.version
+    ? `v${versions.current.version}${upgradeAvailable ? ` (${LL.UPDATE_AVAILABLE()})` : ''}`
+    : '';
 
-  const { send: sendAPI } = useRequest((data: APIcall) => API(data), {
-    immediate: false
-  });
-
-  const doFormat = useCallback(async () => {
-    await sendAPI({ device: 'system', cmd: 'format', id: 0 }).then(() => {
-      setRestarting(true);
-      setConfirmFactoryReset(false);
-    });
-  }, [sendAPI]);
-
-  const handleFactoryResetClose = useCallback(() => {
-    setConfirmFactoryReset(false);
-  }, []);
-
-  const handleFactoryResetClick = useCallback(() => {
-    setConfirmFactoryReset(true);
-  }, []);
-
-  const content = useMemo(() => {
   return (
-      <>
+    <SectionContent>
       <List>
+        <ListMenuItem
+          icon={BuildIcon}
+          bgcolor="#72caf9"
+          label="EMS-ESP Firmware"
+          text={firmwareText}
+          to="/settings/version"
+          badge={upgradeAvailable}
+        />
+
         <ListMenuItem
           icon={TuneIcon}
           bgcolor="#134ba2"
@@ -125,66 +101,8 @@ const Settings = () => {
           to="downloadUpload"
         />
       </List>
-
+    </SectionContent>
-        <Dialog
-          sx={dialogStyle}
-          open={confirmFactoryReset}
-          onClose={handleFactoryResetClose}
-        >
-          <DialogTitle>{LL.FACTORY_RESET()}</DialogTitle>
-          <DialogContent dividers>{LL.SYSTEM_FACTORY_TEXT_DIALOG()}</DialogContent>
-          <DialogActions>
-            <Button
-              startIcon={<CancelIcon />}
-              variant="outlined"
-              onClick={handleFactoryResetClose}
-              color="secondary"
-            >
-              {LL.CANCEL()}
-            </Button>
-            <Button
-              startIcon={<SettingsBackupRestoreIcon />}
-              variant="outlined"
-              onClick={doFormat}
-              color="error"
-            >
-              {LL.FACTORY_RESET()}
-            </Button>
-          </DialogActions>
-        </Dialog>
-
-        <Divider />
-
-        <Box
-          sx={{
-            mt: 2,
-            display: 'flex',
-            justifyContent: 'flex-end',
-            flexWrap: 'nowrap',
-            whiteSpace: 'nowrap'
-          }}
-        >
-          <Button
-            startIcon={<SettingsBackupRestoreIcon />}
-            variant="outlined"
-            onClick={handleFactoryResetClick}
-            color="error"
-          >
-            {LL.FACTORY_RESET()}
-          </Button>
-        </Box>
-      </>
   );
-  }, [
-    LL,
-    handleFactoryResetClick,
-    handleFactoryResetClose,
-    doFormat,
-    confirmFactoryReset,
-    restarting
-  ]);
-
-  return restarting ? <SystemMonitor /> : <SectionContent>{content}</SectionContent>;
 };
 
 export default Settings;

interface/src/app/settings/TZ.tsx

@@ -1,5 +1,3 @@
-import { useMemo } from 'react';
-
 import { MenuItem } from '@mui/material';
 
 export const TIME_ZONES: Record<string, string> = {
@@ -472,26 +470,16 @@ export function selectedTimeZone(label: string, format: string) {
   return TIME_ZONES[label] === format ? label : undefined;
 }
 
-// Memoized version for use in components
-export function useTimeZoneSelectItems() {
-  return useMemo(
-    () =>
-      TIME_ZONE_LABELS.map((label) => (
-        <MenuItem key={label} value={label}>
-          {label}
-        </MenuItem>
-      )),
-    []
-  );
-}
-
-// Fallback export for backward compatibility - now memoized
 const precomputedTimeZoneItems = TIME_ZONE_LABELS.map((label) => (
   <MenuItem key={label} value={label}>
     {label}
   </MenuItem>
 ));
 
+export function useTimeZoneSelectItems() {
+  return precomputedTimeZoneItems;
+}
+
 export function timeZoneSelectItems() {
   return precomputedTimeZoneItems;
 }

interface/src/app/settings/Version.tsx

@@ -0,0 +1,958 @@
+import { memo, useContext, useMemo, useState } from 'react';
+import { Link } from 'react-router';
+import { toast } from 'react-toastify';
+
+import CancelIcon from '@mui/icons-material/Cancel';
+import CloseIcon from '@mui/icons-material/Close';
+import CheckIcon from '@mui/icons-material/Done';
+import DownloadIcon from '@mui/icons-material/GetApp';
+import InfoOutlinedIcon from '@mui/icons-material/InfoOutlined';
+import PowerSettingsNewIcon from '@mui/icons-material/PowerSettingsNew';
+import SettingsBackupRestoreIcon from '@mui/icons-material/SettingsBackupRestore';
+import WarningIcon from '@mui/icons-material/Warning';
+import {
+  Box,
+  Button,
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogTitle,
+  Grid,
+  IconButton,
+  Table,
+  TableBody,
+  TableCell,
+  TableRow,
+  Typography
+} from '@mui/material';
+
+import * as SystemApi from 'api/system';
+import { API, callAction } from 'api/app';
+
+import { dialogStyle } from 'CustomTheme';
+import { useRequest } from 'alova/client';
+import type { APIcall } from 'app/main/types';
+import SystemMonitor from 'app/status/SystemMonitor';
+import {
+  FormLoader,
+  SectionContent,
+  SingleUpload,
+  useLayoutTitle
+} from 'components';
+import { AuthenticatedContext } from 'contexts/authentication';
+import { useI18nContext } from 'i18n/i18n-react';
+import type { TranslationFunctions } from 'i18n/i18n-types';
+import type { VersionInfo } from 'types';
+import { prettyDateTime } from 'utils/time';
+
+// Constants moved outside component to avoid recreation
+const STABLE_URL = 'https://github.com/emsesp/EMS-ESP32/releases/download/';
+const STABLE_RELNOTES_URL =
+  'https://github.com/emsesp/EMS-ESP32/blob/main/CHANGELOG.md';
+const DEV_URL = 'https://github.com/emsesp/EMS-ESP32/releases/download/latest/';
+const DEV_RELNOTES_URL =
+  'https://github.com/emsesp/EMS-ESP32/blob/dev/CHANGELOG_LATEST.md';
+
+// Types for better type safety
+interface PartitionData {
+  partition: string;
+  version: string;
+  install_date?: string;
+  size: number;
+}
+
+interface VersionData {
+  emsesp_version: string;
+  arduino_version: string;
+  esp_platform: string;
+  flash_chip_size: number;
+  psram: boolean;
+  build_flags?: string;
+  partition: string;
+  partitions: PartitionData[];
+  developer_mode: boolean;
+}
+
+// Memoized components for better performance
+const VersionInfoDialog = memo(
+  ({
+    showVersionInfo,
+    latestVersion,
+    latestDevVersion,
+    partitionVersion,
+    partition,
+    currentPartition,
+    size,
+    locale,
+    LL,
+    onClose
+  }: {
+    showVersionInfo: number;
+    latestVersion: VersionInfo | undefined;
+    latestDevVersion: VersionInfo | undefined;
+    partitionVersion: VersionInfo | undefined;
+    partition: string;
+    currentPartition: string;
+    size: number;
+    locale: string;
+    LL: TranslationFunctions;
+    onClose: () => void;
+  }) => {
+    if (showVersionInfo === 0) return null;
+
+    const isStable = showVersionInfo === 1;
+    const isDev = showVersionInfo === 2;
+    const isPartition = showVersionInfo === 3;
+
+    const version = isStable
+      ? latestVersion
+      : isDev
+        ? latestDevVersion
+        : partitionVersion;
+    const relNotesUrl = isStable
+      ? STABLE_RELNOTES_URL
+      : isDev
+        ? DEV_RELNOTES_URL
+        : '';
+
+    return (
+      <Dialog sx={dialogStyle} open={showVersionInfo !== 0} onClose={onClose}>
+        <DialogTitle>{LL.FIRMWARE_VERSION_INFO()}</DialogTitle>
+        <DialogContent dividers>
+          <Table size="small" sx={{ borderCollapse: 'collapse', minWidth: 0 }}>
+            <TableBody>
+              <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                <TableCell
+                  component="th"
+                  scope="row"
+                  sx={{
+                    color: 'lightblue',
+                    borderBottom: 'none',
+                    pr: 1,
+                    py: 0.5,
+                    fontSize: 13
+                  }}
+                >
+                  {LL.VERSION()}
+                </TableCell>
+                <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                  {isPartition
+                    ? typeof version === 'string'
+                      ? version
+                      : version?.version
+                    : version?.version}
+                </TableCell>
+              </TableRow>
+              <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                <TableCell
+                  component="th"
+                  scope="row"
+                  sx={{
+                    color: 'lightblue',
+                    borderBottom: 'none',
+                    pr: 1,
+                    py: 0.5,
+                    fontSize: 13,
+                    width: 140
+                  }}
+                >
+                  {isPartition ? LL.TYPE(0) : LL.RELEASE_TYPE()}
+                </TableCell>
+                <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                  {partition === currentPartition && LL.ACTIVE() + ' '}
+                  {isStable
+                    ? LL.STABLE()
+                    : isDev
+                      ? LL.DEVELOPMENT()
+                      : 'Partition ' + LL.VERSION()}
+                </TableCell>
+              </TableRow>
+              {isPartition && (
+                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                  <TableCell
+                    component="th"
+                    scope="row"
+                    sx={{
+                      color: 'lightblue',
+                      borderBottom: 'none',
+                      pr: 1,
+                      py: 0.5,
+                      fontSize: 13
+                    }}
+                  >
+                    Partition
+                  </TableCell>
+                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                    {partition}
+                  </TableCell>
+                </TableRow>
+              )}
+              {isPartition && (
+                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                  <TableCell
+                    component="th"
+                    scope="row"
+                    sx={{
+                      color: 'lightblue',
+                      borderBottom: 'none',
+                      pr: 1,
+                      py: 0.5,
+                      fontSize: 13
+                    }}
+                  >
+                    Size
+                  </TableCell>
+                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                    {size} KB
+                  </TableCell>
+                </TableRow>
+              )}
+              {version && version.date && (
+                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
+                  <TableCell
+                    component="th"
+                    scope="row"
+                    sx={{
+                      color: 'lightblue',
+                      borderBottom: 'none',
+                      pr: 1,
+                      py: 0.5,
+                      fontSize: 13
+                    }}
+                  >
+                    {isPartition ? 'Install Date' : 'Build Date'}
+                  </TableCell>
+                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
+                    {prettyDateTime(locale, new Date(version.date))}
+                  </TableCell>
+                </TableRow>
+              )}
+            </TableBody>
+          </Table>
+        </DialogContent>
+        <DialogActions>
+          {!isPartition && (
+            <Button
+              variant="outlined"
+              component="a"
+              href={relNotesUrl}
+              target="_blank"
+              color="primary"
+            >
+              Changelog
+            </Button>
+          )}
+          <Button variant="outlined" onClick={onClose} color="secondary">
+            {LL.CLOSE()}
+          </Button>
+        </DialogActions>
+      </Dialog>
+    );
+  }
+);
+
+const InstallDialog = memo(
+  ({
+    openInstallDialog,
+    fetchDevVersion,
+    latestVersion,
+    latestDevVersion,
+    upgradeImportantMessageType,
+    downloadOnly,
+    platform,
+    LL,
+    onClose,
+    onInstall
+  }: {
+    openInstallDialog: boolean;
+    fetchDevVersion: boolean;
+    latestVersion: VersionInfo | undefined;
+    latestDevVersion: VersionInfo | undefined;
+    upgradeImportantMessageType: number;
+    downloadOnly: boolean;
+    platform: string;
+    LL: TranslationFunctions;
+    onClose: () => void;
+    onInstall: (url: string) => void;
+  }) => {
+    const binURL = (() => {
+      if (!latestVersion || !latestDevVersion) return '';
+      const version = fetchDevVersion ? latestDevVersion : latestVersion;
+      const filename = `EMS-ESP-${version.version.replaceAll('.', '_')}-${platform}.bin`;
+      return fetchDevVersion
+        ? `${DEV_URL}${filename}`
+        : `${STABLE_URL}v${version.version}/${filename}`;
+    })();
+
+    return (
+      <Dialog sx={dialogStyle} open={openInstallDialog} onClose={onClose}>
+        <DialogTitle>
+          {`${LL.INSTALL()} ${fetchDevVersion ? LL.DEVELOPMENT() : LL.STABLE()} Firmware`}
+        </DialogTitle>
+        <DialogContent dividers>
+          <Typography sx={{ mb: 2 }}>
+            {LL.INSTALL_VERSION(
+              downloadOnly ? LL.DOWNLOAD(1) : LL.INSTALL(),
+              fetchDevVersion ? latestDevVersion?.version : latestVersion?.version
+            )}
+          </Typography>
+          {upgradeImportantMessageType === 2 && LL.UPGRADE_IMPORTANT_MESSAGES_2()}
+          {upgradeImportantMessageType === 1 && (
+            <>
+              {LL.UPGRADE_IMPORTANT_MESSAGES_1()}
+              <Typography sx={{ mt: 2 }}>
+                <Link to="/settings/downloadUpload" style={{ color: 'lightblue' }}>
+                  {LL.DOWNLOAD_SYSTEM_BACKUP()}
+                </Link>
+              </Typography>
+            </>
+          )}
+          <Typography sx={{ mt: 2 }}>
+            <Link
+              to="https://docs.emsesp.org/FAQ#upgrading-the-firmware"
+              target="_blank"
+              rel="noreferrer"
+              style={{ color: 'lightblue' }}
+            >
+              {LL.ONLINE_HELP()}
+            </Link>
+          </Typography>
+        </DialogContent>
+        <DialogActions>
+          <Button
+            startIcon={<CancelIcon />}
+            variant="outlined"
+            onClick={onClose}
+            color="secondary"
+          >
+            {LL.CANCEL()}
+          </Button>
+          <Button
+            startIcon={<DownloadIcon />}
+            variant="outlined"
+            onClick={onClose}
+            color="primary"
+          >
+            <Link
+              to={binURL}
+              target="_blank"
+              rel="noreferrer"
+              style={{ color: 'lightblue', textDecoration: 'none' }}
+            >
+              {LL.DOWNLOAD(0)}
+            </Link>
+          </Button>
+          {!downloadOnly && (
+            <Button
+              startIcon={<WarningIcon color="warning" />}
+              variant="outlined"
+              onClick={() => onInstall(binURL)}
+              color="primary"
+            >
+              {LL.INSTALL()}
+            </Button>
+          )}
+        </DialogActions>
+      </Dialog>
+    );
+  }
+);
+
+const InstallPartitionDialog = memo(
+  ({
+    openInstallPartitionDialog,
+    version,
+    partition,
+    LL,
+    onClose,
+    onInstall
+  }: {
+    openInstallPartitionDialog: boolean;
+    version: string;
+    partition: string;
+    LL: TranslationFunctions;
+    onClose: () => void;
+    onInstall: (partition: string) => void;
+  }) => {
+    return (
+      <Dialog sx={dialogStyle} open={openInstallPartitionDialog} onClose={onClose}>
+        <DialogTitle>
+          {LL.INSTALL()} {LL.STORED_VERSIONS()}
+        </DialogTitle>
+        <DialogContent dividers>
+          <Typography sx={{ mb: 2 }}>
+            {LL.INSTALL_VERSION(LL.INSTALL(), version)}
+          </Typography>
+        </DialogContent>
+        <DialogActions>
+          <Button
+            startIcon={<CancelIcon />}
+            variant="outlined"
+            onClick={onClose}
+            color="secondary"
+          >
+            {LL.CANCEL()}
+          </Button>
+
+          <Button
+            startIcon={<WarningIcon color="warning" />}
+            variant="outlined"
+            onClick={() => onInstall(partition)}
+            color="primary"
+          >
+            {LL.INSTALL()}
+          </Button>
+        </DialogActions>
+      </Dialog>
+    );
+  }
+);
+
+// Helper function moved outside component
+const getPlatform = (data: VersionData): string => {
+  return `${data.esp_platform}-${data.flash_chip_size >= 16384 ? '16MB' : '4MB'}${data.psram ? '+' : ''}`;
+};
+
+const Version = () => {
+  const { LL, locale } = useI18nContext();
+  const { me, versions } = useContext(AuthenticatedContext);
+
+  const [restarting, setRestarting] = useState<boolean>(false);
+  const [confirmFactoryReset, setConfirmFactoryReset] = useState<boolean>(false);
+  const [confirmRestart, setConfirmRestart] = useState<boolean>(false);
+  const [openInstallDialog, setOpenInstallDialog] = useState<boolean>(false);
+
+  const [partitionVersion, setPartitionVersion] = useState<VersionInfo | undefined>(
+    undefined
+  );
+  const [partition, setPartition] = useState<string>('');
+  const [openInstallPartitionDialog, setOpenInstallPartitionDialog] =
+    useState<boolean>(false);
+
+  const [fetchDevVersion, setFetchDevVersion] = useState<boolean>(false);
+  const [downloadOnly, setDownloadOnly] = useState<boolean>(false);
+  const [showVersionInfo, setShowVersionInfo] = useState<number>(0); // 1 = stable, 2 = dev, 3 = partition
+  const [firmwareSize, setFirmwareSize] = useState<number>(0);
+
+  const latestVersion = useMemo<VersionInfo | undefined>(
+    () =>
+      versions?.stable
+        ? { version: versions.stable.version, date: versions.stable.date }
+        : undefined,
+    [versions?.stable]
+  );
+  const latestDevVersion = useMemo<VersionInfo | undefined>(
+    () =>
+      versions?.dev
+        ? { version: versions.dev.version, date: versions.dev.date }
+        : undefined,
+    [versions?.dev]
+  );
+  const usingDevVersion = versions?.current?.type === 'dev';
+  const stableUpgradeAvailable = versions?.stable?.upgradeable ?? false;
+  const devUpgradeAvailable = versions?.dev?.upgradeable ?? false;
+  const internetLive = Boolean(versions?.stable || versions?.dev);
+
+  const { send: sendSetPartition } = useRequest(
+    (partition: string) => callAction({ action: 'setPartition', param: partition }),
+    { immediate: false }
+  ).onError((error) => {
+    toast.error(String(error.error?.message || 'An error occurred'));
+  });
+
+  const {
+    data,
+    send: loadData,
+    error
+  } = useRequest(SystemApi.readSystemStatus).onSuccess((event) => {
+    const systemData = event.data as VersionData;
+    if (systemData.arduino_version.startsWith('Tasmota')) {
+      setDownloadOnly(true);
+    }
+  });
+
+  const { send: sendUploadURL } = useRequest(
+    (url: string) => callAction({ action: 'uploadURL', param: url }),
+    { immediate: false }
+  );
+
+  const { send: sendAPI } = useRequest((data: APIcall) => API(data), {
+    immediate: false
+  });
+
+  const [upgradeImportantMessageType, setUpgradeImportantMessageType] =
+    useState<number>(0);
+
+  const { send: checkUpgradeImportantMessages } = useRequest(
+    (version: string) =>
+      callAction({ action: 'upgradeImportantMessages', param: version }),
+    {
+      immediate: false
+    }
+  )
+    .onSuccess((event) => {
+      const upgradeImportantMessageType_n = (
+        event.data as { upgradeImportantMessageType: number }
+      ).upgradeImportantMessageType;
+      setUpgradeImportantMessageType(upgradeImportantMessageType_n);
+    })
+    .onError((error) => {
+      toast.error(String(error.error?.message || 'An error occurred'));
+    });
+
+  const platform = data ? getPlatform(data) : '';
+
+  const otherPartitions =
+    data?.partitions.filter((p) => p.partition !== data.partition) ?? [];
+
+  const setPartitionVersionInfo = (partition: string) => {
+    setShowVersionInfo(3);
+    const partitionData = data?.partitions.find((p) => p.partition === partition);
+    if (partitionData) {
+      setPartitionVersion({
+        version: partitionData.version,
+        date: partitionData.install_date ?? ''
+      });
+      setPartition(partitionData.partition);
+      setFirmwareSize(partitionData.size);
+    }
+  };
+
+  const doRestart = async () => {
+    setConfirmRestart(false);
+    await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
+      (error: Error) => {
+        toast.error(error.message);
+      }
+    );
+    setRestarting(true);
+  };
+
+  const doFormat = async () => {
+    await sendAPI({ device: 'system', cmd: 'format', id: 0 }).then(() => {
+      setRestarting(true);
+      setConfirmFactoryReset(false);
+    });
+  };
+
+  const handleFactoryResetClose = () => setConfirmFactoryReset(false);
+  const handleFactoryResetClick = () => setConfirmFactoryReset(true);
+  const handleRestartClose = () => setConfirmRestart(false);
+  const handleRestartClick = () => setConfirmRestart(true);
+
+  const installFirmwareURL = async (url: string) => {
+    await sendUploadURL(url).catch((error: Error) => {
+      toast.error(error.message);
+    });
+    await doRestart();
+  };
+
+  const installPartitionFirmware = async (partition: string) => {
+    await sendSetPartition(partition).catch((error: Error) => {
+      toast.error(error.message);
+    });
+    setRestarting(true);
+  };
+
+  const showPartitionDialog = (
+    version: string,
+    partition: string,
+    install_date: string
+  ) => {
+    setOpenInstallPartitionDialog(true);
+    setPartitionVersion({ version: version, date: install_date });
+    setPartition(partition);
+  };
+
+  const showFirmwareDialog = (useDevVersion: boolean) => {
+    setFetchDevVersion(useDevVersion);
+    const targetVersion = useDevVersion
+      ? latestDevVersion?.version
+      : latestVersion?.version;
+    if (targetVersion) {
+      void checkUpgradeImportantMessages(targetVersion);
+    }
+    setOpenInstallDialog(true);
+  };
+
+  const closeInstallDialog = () => setOpenInstallDialog(false);
+  const closeInstallPartitionDialog = () => setOpenInstallPartitionDialog(false);
+
+  const handleVersionInfoClose = () => {
+    setShowVersionInfo(0);
+    setPartitionVersion(undefined);
+    setPartition('');
+  };
+
+  useLayoutTitle('EMS-ESP Firmware');
+
+  const showButtons = (showingDev: boolean) => {
+    const choice = showingDev
+      ? !usingDevVersion
+        ? LL.SWITCH_RELEASE_TYPE(LL.DEVELOPMENT())
+        : devUpgradeAvailable
+          ? LL.UPDATE_AVAILABLE()
+          : undefined
+      : usingDevVersion
+        ? LL.SWITCH_RELEASE_TYPE(LL.STABLE())
+        : stableUpgradeAvailable
+          ? LL.UPDATE_AVAILABLE()
+          : undefined;
+
+    if (!choice) {
+      return (
+        <>
+          <CheckIcon
+            color="success"
+            sx={{ verticalAlign: 'middle', ml: 0.5, mr: 0.5 }}
+          />
+          <span style={{ color: '#66bb6a', fontSize: '0.8em' }}>
+            {LL.LATEST_VERSION(usingDevVersion ? LL.DEVELOPMENT() : LL.STABLE())}
+          </span>
+          <Button
+            sx={{ ml: 1 }}
+            variant="outlined"
+            size="small"
+            onClick={() => showFirmwareDialog(showingDev)}
+          >
+            {LL.REINSTALL()}
+          </Button>
+        </>
+      );
+    }
+
+    if (!me.admin) return null;
+
+    const isUpdateAvailable = choice === LL.UPDATE_AVAILABLE();
+
+    return (
+      <Button
+        sx={{ ml: 1 }}
+        variant="outlined"
+        color={isUpdateAvailable ? 'success' : 'warning'}
+        size="small"
+        onClick={() => showFirmwareDialog(showingDev)}
+      >
+        {choice}
+        {isUpdateAvailable && (
+          <Box
+            component="span"
+            aria-label="update available"
+            sx={{
+              display: 'inline-block',
+              width: 8,
+              height: 8,
+              ml: 1,
+              verticalAlign: 'middle',
+              borderRadius: '50%',
+              backgroundColor: '#ffeb3b',
+              boxShadow: '0 0 6px rgba(255, 235, 59, 0.8)'
+            }}
+          />
+        )}
+      </Button>
+    );
+  };
+
+  if (restarting) {
+    return <SystemMonitor />;
+  }
+
+  if (!data) {
+    return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
+  }
+
+  return (
+    <SectionContent>
+      <Box sx={{ p: 2, border: '1px solid #565656', borderRadius: 2 }}>
+        <Typography sx={{ mb: 1 }} variant="h6" color="primary">
+          {LL.THIS_VERSION()}
+        </Typography>
+
+        <Grid
+          container
+          direction="row"
+          sx={{
+            justifyContent: 'flex-start',
+            alignItems: 'baseline'
+          }}
+        >
+          <Grid size={{ xs: 4, md: 2 }}>
+            <Typography color="secondary">{LL.VERSION()}</Typography>
+          </Grid>
+          <Grid size={{ xs: 8, md: 10 }}>
+            <Typography>
+              {data.emsesp_version}
+              {data.build_flags && (
+                <Typography variant="caption">
+                  &nbsp; &#40;{data.build_flags}&#41;
+                </Typography>
+              )}
+              <IconButton
+                onClick={() => setPartitionVersionInfo(data.partition)}
+                aria-label={LL.FIRMWARE_VERSION_INFO()}
+              >
+                <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
+              </IconButton>
+            </Typography>
+          </Grid>
+
+          <Grid size={{ xs: 4, md: 2 }}>
+            <Typography color="secondary">{LL.PLATFORM()}</Typography>
+          </Grid>
+          <Grid size={{ xs: 8, md: 10 }}>
+            <Typography>
+              {platform}
+              <Typography variant="caption">
+                &nbsp; &#40;
+                {data.psram ? (
+                  <CheckIcon
+                    color="success"
+                    sx={{
+                      fontSize: '1.5em',
+                      verticalAlign: 'middle'
+                    }}
+                  />
+                ) : (
+                  <CloseIcon
+                    color="error"
+                    sx={{
+                      fontSize: '1.5em',
+                      verticalAlign: 'middle'
+                    }}
+                  />
+                )}
+                PSRAM&#41;
+              </Typography>
+            </Typography>
+          </Grid>
+        </Grid>
+
+        {internetLive ? (
+          <>
+            <Typography sx={{ mt: 4, mb: 1 }} variant="h6" color="primary">
+              {LL.AVAILABLE_VERSION()}
+            </Typography>
+
+            <Grid
+              container
+              direction="row"
+              rowSpacing={1}
+              sx={{
+                justifyContent: 'flex-start',
+                alignItems: 'baseline'
+              }}
+            >
+              {otherPartitions.length > 0 && data.developer_mode && (
+                <>
+                  <Grid size={{ xs: 4, md: 2 }}>
+                    <Typography color="secondary">{LL.STORED_VERSIONS()}</Typography>
+                  </Grid>
+                  <Grid size={{ xs: 8, md: 10 }}>
+                    {otherPartitions.map((partition) => (
+                      <Typography key={partition.partition} sx={{ mb: 1 }}>
+                        {partition.version}
+                        <IconButton
+                          onClick={() =>
+                            setPartitionVersionInfo(partition.partition)
+                          }
+                          aria-label={LL.FIRMWARE_VERSION_INFO()}
+                        >
+                          <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
+                        </IconButton>
+                        <Button
+                          sx={{ ml: 0 }}
+                          variant="outlined"
+                          size="small"
+                          onClick={() =>
+                            showPartitionDialog(
+                              partition.version,
+                              partition.partition,
+                              partition.install_date ?? ''
+                            )
+                          }
+                        >
+                          {LL.INSTALL()}
+                        </Button>
+                      </Typography>
+                    ))}
+                  </Grid>
+                </>
+              )}
+              <Grid size={{ xs: 4, md: 2 }}>
+                <Typography color="secondary">{LL.STABLE()}</Typography>
+              </Grid>
+              <Grid size={{ xs: 8, md: 10 }}>
+                <Typography>
+                  {latestVersion?.version}
+                  <IconButton
+                    onClick={() => setShowVersionInfo(1)}
+                    aria-label={LL.FIRMWARE_VERSION_INFO()}
+                  >
+                    <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
+                  </IconButton>
+                  {showButtons(false)}
+                </Typography>
+              </Grid>
+
+              <Grid size={{ xs: 4, md: 2 }}>
+                <Typography color="secondary">{LL.DEVELOPMENT()}</Typography>
+              </Grid>
+              <Grid size={{ xs: 8, md: 10 }}>
+                <Typography>
+                  {latestDevVersion?.version}
+                  <IconButton
+                    onClick={() => setShowVersionInfo(2)}
+                    aria-label={LL.FIRMWARE_VERSION_INFO()}
+                  >
+                    <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
+                  </IconButton>
+                  {showButtons(true)}
+                </Typography>
+              </Grid>
+            </Grid>
+          </>
+        ) : (
+          <Typography sx={{ mt: 2 }} color="warning">
+            <WarningIcon color="warning" sx={{ verticalAlign: 'middle', mr: 2 }} />
+            {LL.INTERNET_CONNECTION_REQUIRED()}
+          </Typography>
+        )}
+        {me.admin && (
+          <>
+            <VersionInfoDialog
+              showVersionInfo={showVersionInfo}
+              latestVersion={latestVersion}
+              latestDevVersion={latestDevVersion}
+              partitionVersion={partitionVersion}
+              locale={locale}
+              partition={partition}
+              currentPartition={data?.partition ?? ''}
+              size={firmwareSize}
+              LL={LL}
+              onClose={handleVersionInfoClose}
+            />
+            <InstallDialog
+              openInstallDialog={openInstallDialog}
+              fetchDevVersion={fetchDevVersion}
+              latestVersion={latestVersion}
+              latestDevVersion={latestDevVersion}
+              upgradeImportantMessageType={upgradeImportantMessageType}
+              downloadOnly={downloadOnly}
+              platform={platform}
+              LL={LL}
+              onClose={closeInstallDialog}
+              onInstall={installFirmwareURL}
+            />
+            <InstallPartitionDialog
+              openInstallPartitionDialog={openInstallPartitionDialog}
+              version={partitionVersion?.version || ''}
+              partition={partition}
+              LL={LL}
+              onClose={closeInstallPartitionDialog}
+              onInstall={installPartitionFirmware}
+            />
+            <Typography sx={{ pt: 2, pb: 2 }} variant="h6" color="primary">
+              {LL.UPLOAD()}
+            </Typography>
+            <SingleUpload doRestart={doRestart} />
+          </>
+        )}
+      </Box>
+
+      {me.admin && (
+        <>
+          <Dialog
+            sx={dialogStyle}
+            open={confirmFactoryReset}
+            onClose={handleFactoryResetClose}
+          >
+            <DialogTitle>{LL.FACTORY_RESET()}</DialogTitle>
+            <DialogContent dividers>{LL.SYSTEM_FACTORY_TEXT_DIALOG()}</DialogContent>
+            <DialogActions>
+              <Button
+                startIcon={<CancelIcon />}
+                variant="outlined"
+                onClick={handleFactoryResetClose}
+                color="secondary"
+              >
+                {LL.CANCEL()}
+              </Button>
+              <Button
+                startIcon={<SettingsBackupRestoreIcon />}
+                variant="outlined"
+                onClick={doFormat}
+                color="error"
+              >
+                {LL.FACTORY_RESET()}
+              </Button>
+            </DialogActions>
+          </Dialog>
+
+          <Dialog
+            sx={dialogStyle}
+            open={confirmRestart}
+            onClose={handleRestartClose}
+          >
+            <DialogTitle>{LL.RESTART()}</DialogTitle>
+            <DialogContent dividers>{LL.RESTART_CONFIRM()}</DialogContent>
+            <DialogActions>
+              <Button
+                startIcon={<CancelIcon />}
+                variant="outlined"
+                onClick={handleRestartClose}
+                color="secondary"
+              >
+                {LL.CANCEL()}
+              </Button>
+              <Button
+                startIcon={<PowerSettingsNewIcon />}
+                variant="outlined"
+                onClick={doRestart}
+                color="error"
+              >
+                {LL.RESTART()}
+              </Button>
+            </DialogActions>
+          </Dialog>
+
+          <Box
+            sx={{
+              mt: 2,
+              display: 'flex',
+              justifyContent: 'flex-end',
+              flexWrap: 'nowrap',
+              whiteSpace: 'nowrap',
+              gap: 1
+            }}
+          >
+            <Button
+              startIcon={<PowerSettingsNewIcon />}
+              variant="outlined"
+              onClick={handleRestartClick}
+              color="error"
+            >
+              {LL.RESTART()}
+            </Button>
+            {data.developer_mode && (
+              <Button
+                startIcon={<SettingsBackupRestoreIcon />}
+                variant="outlined"
+                onClick={handleFactoryResetClick}
+                color="error"
+              >
+                {LL.FACTORY_RESET()}
+              </Button>
+            )}
+          </Box>
+        </>
+      )}
+    </SectionContent>
+  );
+};
+
+export default memo(Version);

interface/src/app/settings/network/Network.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useMemo, useState } from 'react';
+import { memo, useState } from 'react';
 import {
   Navigate,
   Route,
@@ -40,26 +40,20 @@ const Network = () => {
 
   const [selectedNetwork, setSelectedNetwork] = useState<WiFiNetwork>();
 
-  const selectNetwork = useCallback(
+  const selectNetwork = (network: WiFiNetwork) => {
-    (network: WiFiNetwork) => {
     setSelectedNetwork(network);
     void navigate('/settings/network/settings');
-    },
+  };
-    [navigate]
-  );
 
-  const deselectNetwork = useCallback(() => {
+  const deselectNetwork = () => {
     setSelectedNetwork(undefined);
-  }, []);
+  };
 
-  const contextValue = useMemo(
+  const contextValue = {
-    () => ({
     ...(selectedNetwork && { selectedNetwork }),
     selectNetwork,
     deselectNetwork
-    }),
+  };
-    [selectedNetwork, selectNetwork, deselectNetwork]
-  );
 
   return (
     <WiFiConnectionContext.Provider value={contextValue}>

interface/src/app/settings/network/NetworkSettings.tsx

@@ -89,7 +89,7 @@ const NetworkSettings = () => {
             static_ip_config: false,
             bandwidth20: false,
             tx_power: 0,
-            nosleep: false,
+            nosleep: true,
             enableMDNS: true,
             enableCORS: false,
             CORSOrigin: '*'
@@ -121,19 +121,19 @@ const NetworkSettings = () => {
     deselectNetwork();
   }, [data, saveData, deselectNetwork]);
 
-  const setCancel = useCallback(async () => {
+  const setCancel = async () => {
     deselectNetwork();
     await loadData();
-  }, [deselectNetwork, loadData]);
+  };
 
-  const doRestart = useCallback(async () => {
+  const doRestart = async () => {
     setRestarting(true);
     await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
       (error: Error) => {
         toast.error(error.message);
       }
     );
-  }, [sendAPI]);
+  };
 
   const content = () => {
     if (!data) {
@@ -173,7 +173,7 @@ const NetworkSettings = () => {
           <ValidatedTextField
             fieldErrors={fieldErrors || {}}
             name="ssid"
-            label={'SSID (' + LL.NETWORK_BLANK_SSID() + ')'}
+            label="SSID"
             fullWidth
             variant="outlined"
             value={data.ssid}

interface/src/app/settings/network/WiFiNetworkScanner.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useRef, useState } from 'react';
+import { memo, useRef, useState } from 'react';
 
 import PermScanWifiIcon from '@mui/icons-material/PermScanWifi';
 import { Button } from '@mui/material';
@@ -48,12 +48,12 @@ const WiFiNetworkScanner = () => {
     }
   });
 
-  const renderNetworkScanner = useCallback(() => {
+  const renderNetworkScanner = () => {
     if (!networkList) {
       return <FormLoader errorMessage={errorMessage || ''} />;
     }
     return <WiFiNetworkSelector networkList={networkList} />;
-  }, [networkList, errorMessage]);
+  };
 
   return (
     <SectionContent>

interface/src/app/settings/network/WiFiNetworkSelector.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext } from 'react';
+import { memo, useContext } from 'react';
 
 import LockIcon from '@mui/icons-material/Lock';
 import LockOpenIcon from '@mui/icons-material/LockOpen';
@@ -63,8 +63,7 @@ const WiFiNetworkSelector = ({ networkList }: { networkList: WiFiNetworkList })
 
   const wifiConnectionContext = useContext(WiFiConnectionContext);
 
-  const renderNetwork = useCallback(
+  const renderNetwork = (network: WiFiNetwork) => (
-    (network: WiFiNetwork) => (
     <ListItem
       key={network.bssid}
       onClick={() => wifiConnectionContext.selectNetwork(network)}
@@ -89,8 +88,6 @@ const WiFiNetworkSelector = ({ networkList }: { networkList: WiFiNetworkList })
         </Badge>
       </ListItemIcon>
     </ListItem>
-    ),
-    [wifiConnectionContext, theme]
   );
 
   if (networkList.networks.length === 0) {

interface/src/app/settings/security/ManageUsers.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useMemo, useState } from 'react';
+import { memo, useCallback, useContext, useState } from 'react';
 import { useBlocker } from 'react-router';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -55,9 +55,7 @@ const ManageUsers = () => {
   const blocker = useBlocker(changed !== 0);
   const { LL } = useI18nContext();
 
-  const table_theme = useMemo(
+  const table_theme = useTheme({
-    () =>
-      useTheme({
     Table: `
       --data-table-library_grid-template-columns: repeat(1, minmax(0, 1fr)) minmax(120px, max-content) 120px;
     `,
@@ -95,44 +93,36 @@ const ManageUsers = () => {
         text-align: right;
       }
     `
-      }),
+  });
-    []
-  );
 
-  const noAdminConfigured = useCallback(
+  const noAdminConfigured = () => !data?.users.find((u) => u.admin);
-    () => !data?.users.find((u) => u.admin),
-    [data]
-  );
 
-  const removeUser = useCallback(
+  const removeUser = (toRemove: UserType) => {
-    (toRemove: UserType) => {
     if (!data) return;
     const users = data.users.filter((u) => u.username !== toRemove.username);
     updateDataValue({ ...data, users });
     setChanged(changed + 1);
-    },
+  };
-    [data, updateDataValue, changed]
-  );
 
-  const createUser = useCallback(() => {
+  const createUser = () => {
     setCreating(true);
     setUser({
       username: '',
       password: '',
       admin: true
     });
-  }, []);
+  };
 
-  const editUser = useCallback((toEdit: UserType) => {
+  const editUser = (toEdit: UserType) => {
     setCreating(false);
     setUser({ ...toEdit });
-  }, []);
+  };
 
-  const cancelEditingUser = useCallback(() => {
+  const cancelEditingUser = () => {
     setUser(undefined);
-  }, []);
+  };
 
-  const doneEditingUser = useCallback(() => {
+  const doneEditingUser = () => {
     if (user && data) {
       const users = [
         ...data.users.filter(
@@ -144,26 +134,26 @@ const ManageUsers = () => {
       setUser(undefined);
       setChanged(changed + 1);
     }
-  }, [user, data, updateDataValue, changed]);
+  };
 
   const closeGenerateToken = useCallback(() => {
     setGeneratingToken(undefined);
   }, []);
 
-  const generateTokenForUser = useCallback((username: string) => {
+  const generateTokenForUser = (username: string) => {
     setGeneratingToken(username);
-  }, []);
+  };
 
-  const onSubmit = useCallback(async () => {
+  const onSubmit = async () => {
     await saveData();
     await authenticatedContext.refresh();
     setChanged(0);
-  }, [saveData, authenticatedContext]);
+  };
 
-  const onCancelSubmit = useCallback(async () => {
+  const onCancelSubmit = async () => {
     await loadData();
     setChanged(0);
-  }, [loadData]);
+  };
 
   const content = () => {
     if (!data) {
@@ -177,15 +167,10 @@ const ManageUsers = () => {
       admin: boolean;
     }
 
-    // add id to the type, needed for the table
+    const user_table = data.users.map((u) => ({
-    const user_table = useMemo(
-      () =>
-        data.users.map((u) => ({
       ...u,
       id: u.username
-        })) as UserType2[],
+    })) as UserType2[];
-      [data.users]
-    );
 
     return (
       <>

interface/src/app/settings/security/Security.tsx

@@ -1,4 +1,4 @@
-import { memo, useMemo } from 'react';
+import { memo } from 'react';
 import { Navigate, Route, Routes, matchRoutes, useLocation } from 'react-router';
 
 import { Tab } from '@mui/material';
@@ -15,9 +15,7 @@ const Security = () => {
 
   const location = useLocation();
 
-  const matchedRoutes = useMemo(
+  const matchedRoutes = matchRoutes(
-    () =>
-      matchRoutes(
     [
       {
         path: '/settings/security/settings',
@@ -26,8 +24,6 @@ const Security = () => {
       { path: '/settings/security/users', element: <SecuritySettings /> }
     ],
     location
-      ),
-    [location]
   );
   const routerTab = matchedRoutes?.[0]?.route.path || false;
 

interface/src/app/settings/security/SecuritySettings.tsx

@@ -79,7 +79,7 @@ const SecuritySettings = () => {
           onChange={updateFormValue}
           margin="normal"
         />
-        <MessageBox level="info" message={LL.SU_TEXT()} mt={1} />
+        <MessageBox level="info" message={LL.SU_TEXT()} sx={{ mt: 1 }} />
         {dirtyFlags && dirtyFlags.length !== 0 && (
           <ButtonRow>
             <Button

interface/src/app/settings/security/User.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useEffect, useState } from 'react';
+import { memo, useEffect, useState } from 'react';
 import type { FC } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
@@ -62,7 +62,7 @@ const User: FC<UserFormProps> = ({
     }
   }, [open]);
 
-  const validateAndDone = useCallback(async () => {
+  const validateAndDone = async () => {
     if (user) {
       try {
         setFieldErrors(undefined);
@@ -72,7 +72,7 @@ const User: FC<UserFormProps> = ({
         setFieldErrors((error as ValidationError).fieldErrors);
       }
     }
-  }, [user, validator, onDoneEditing]);
+  };
 
   return (
     <Dialog

interface/src/app/status/Activity.tsx

@@ -1,5 +1,3 @@
-import { useCallback, useMemo } from 'react';
-
 import {
   Body,
   Cell,
@@ -36,9 +34,7 @@ const SystemActivity = () => {
 
   useLayoutTitle(LL.DATA_TRAFFIC());
 
-  const stats_theme = tableTheme(
+  const stats_theme = tableTheme({
-    useMemo(
-      () => ({
     Table: `
       --data-table-library_grid-template-columns: repeat(1, minmax(0, 1fr)) 90px 90px 80px;
     `,
@@ -74,21 +70,15 @@ const SystemActivity = () => {
         text-align: center;
       }
     `
-      }),
+  });
-      []
-    )
-  );
 
-  const showName = useCallback(
+  const showName = (id: number) => {
-    (id: number) => {
     const name: keyof Translation['STATUS_NAMES'] =
       id.toString() as keyof Translation['STATUS_NAMES'];
     return LL.STATUS_NAMES[name]();
-    },
+  };
-    [LL]
-  );
 
-  const showQuality = useCallback((stat: Stat) => {
+  const showQuality = (stat: Stat) => {
     if (stat.q === 0 || stat.s + stat.f === 0) {
       return;
     }
@@ -100,14 +90,18 @@ const SystemActivity = () => {
     } else {
       return <div style={{ color: QUALITY_COLORS.POOR }}>{stat.q}%</div>;
     }
-  }, []);
+  };
 
-  const content = useMemo(() => {
   if (!data) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
+    return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
   }
 
   return (
+    <SectionContent>
       <Table
         data={{ nodes: data.stats }}
         theme={stats_theme}
@@ -136,10 +130,8 @@ const SystemActivity = () => {
           </>
         )}
       </Table>
+    </SectionContent>
   );
-  }, [data, loadData, error?.message, stats_theme, LL, showName, showQuality]);
-
-  return <SectionContent>{content}</SectionContent>;
 };
 
 export default SystemActivity;

interface/src/app/status/MqttStatus.tsx

@@ -1,4 +1,4 @@
-import { type FC, memo, useMemo } from 'react';
+import { type FC, memo } from 'react';
 
 import AutoAwesomeMotionIcon from '@mui/icons-material/AutoAwesomeMotion';
 import DeviceHubIcon from '@mui/icons-material/DeviceHub';
@@ -127,16 +127,15 @@ const MqttStatus = () => {
     void loadData();
   });
 
-  // Memoize error message separately to avoid re-renders on error object changes
   const errorMessage = error?.message || '';
 
-  const mqttStatusText = useMemo(() => {
+  const mqttStatusText = !data
-    if (!data) return '';
+    ? ''
-    if (!data.enabled) return LL.NOT_ENABLED();
+    : !data.enabled
-    return data.connected
+      ? LL.NOT_ENABLED()
+      : data.connected
         ? `${LL.CONNECTED(0)} (${data.connect_count})`
         : `${LL.DISCONNECTED()} (${data.connect_count})`;
-  }, [data, LL]);
 
   if (!data) {
     return (

interface/src/app/status/NTPStatus.tsx

@@ -1,5 +1,3 @@
-import { useMemo } from 'react';
-
 import AccessTimeIcon from '@mui/icons-material/AccessTime';
 import DnsIcon from '@mui/icons-material/Dns';
 import SwapVerticalCircleIcon from '@mui/icons-material/SwapVerticalCircle';
@@ -67,12 +65,16 @@ const NTPStatus = () => {
     }
   };
 
-  const content = useMemo(() => {
   if (!data) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
+    return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
   }
 
   return (
+    <SectionContent>
       <List>
         <ListItem>
           <ListItemAvatar>
@@ -121,10 +123,8 @@ const NTPStatus = () => {
         </ListItem>
         <Divider variant="inset" component="li" />
       </List>
+    </SectionContent>
   );
-  }, [data, error, loadData, LL, theme]);
-
-  return <SectionContent>{content}</SectionContent>;
 };
 
 export default NTPStatus;

interface/src/app/status/NetworkStatus.tsx

@@ -1,5 +1,3 @@
-import { useMemo } from 'react';
-
 import DeviceHubIcon from '@mui/icons-material/DeviceHub';
 import DnsIcon from '@mui/icons-material/Dns';
 import GiteIcon from '@mui/icons-material/Gite';
@@ -124,9 +122,12 @@ const NetworkStatus = () => {
 
   const theme = useTheme();
 
-  const content = useMemo(() => {
   if (!data) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
+    return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
   }
 
   const statusText = getNetworkStatusText(data.status, data.reconnect_count, LL);
@@ -134,6 +135,7 @@ const NetworkStatus = () => {
   const qualityColor = networkQualityHighlight(data, theme);
 
   return (
+    <SectionContent>
       <List>
         <ListItem>
           <ListItemAvatar>
@@ -227,10 +229,8 @@ const NetworkStatus = () => {
           </>
         )}
       </List>
+    </SectionContent>
   );
-  }, [data, error, loadData, LL, theme]);
-
-  return <SectionContent>{content}</SectionContent>;
 };
 
 export default NetworkStatus;

interface/src/app/status/Status.tsx

@@ -1,25 +1,16 @@
-import { useCallback, useContext, useMemo, useState } from 'react';
+import { useContext } from 'react';
-import { toast } from 'react-toastify';
 
 import AccessTimeIcon from '@mui/icons-material/AccessTime';
-import BuildIcon from '@mui/icons-material/Build';
-import CancelIcon from '@mui/icons-material/Cancel';
 import DeviceHubIcon from '@mui/icons-material/DeviceHub';
 import DirectionsBusIcon from '@mui/icons-material/DirectionsBus';
 import LogoDevIcon from '@mui/icons-material/LogoDev';
 import MemoryIcon from '@mui/icons-material/Memory';
 import MonitorHeartIcon from '@mui/icons-material/MonitorHeart';
-import PowerSettingsNewIcon from '@mui/icons-material/PowerSettingsNew';
 import RouterIcon from '@mui/icons-material/Router';
 import SettingsInputAntennaIcon from '@mui/icons-material/SettingsInputAntenna';
 import WifiIcon from '@mui/icons-material/Wifi';
 import {
   Avatar,
-  Button,
-  Dialog,
-  DialogActions,
-  DialogContent,
-  DialogTitle,
   List,
   ListItem,
   ListItemAvatar,
@@ -27,12 +18,10 @@ import {
   useTheme
 } from '@mui/material';
 
-import { API } from 'api/app';
 import { readSystemStatus } from 'api/system';
 
-import { dialogStyle } from 'CustomTheme';
 import { useRequest } from 'alova/client';
-import { type APIcall, busConnectionStatus } from 'app/main/types';
+import { busConnectionStatus } from 'app/main/types';
 import { FormLoader, SectionContent, useLayoutTitle } from 'components';
 import ListMenuItem from 'components/layout/ListMenuItem';
 import { AuthenticatedContext } from 'contexts/authentication';
@@ -41,9 +30,6 @@ import { NTPSyncStatus, NetworkConnectionStatus, SystemStatusCodes } from 'types
 import { useInterval } from 'utils';
 import { formatDateTime } from 'utils/time';
 
-import SystemMonitor from './SystemMonitor';
-
-// Pure functions moved outside component to avoid recreation on each render
 const formatNumber = (num: number) => new Intl.NumberFormat().format(num);
 
 const formatDurationSec = (
@@ -72,24 +58,7 @@ const SystemStatus = () => {
 
   const { me } = useContext(AuthenticatedContext);
 
-  const [confirmRestart, setConfirmRestart] = useState<boolean>(false);
+  const { data, send: loadData, error } = useRequest(readSystemStatus);
-  const [restarting, setRestarting] = useState<boolean>();
-
-  const { send: sendAPI } = useRequest((data: APIcall) => API(data), {
-    immediate: false
-  });
-
-  const {
-    data,
-    send: loadData,
-    error
-  } = useRequest(readSystemStatus, {
-    async middleware(_, next) {
-      if (!restarting) {
-        await next();
-      }
-    }
-  });
 
   useInterval(() => {
     void loadData();
@@ -97,10 +66,8 @@ const SystemStatus = () => {
 
   const theme = useTheme();
 
-  // Memoize derived status values to avoid recalculation on every render
+  const busStatus = (() => {
-  const busStatus = useMemo(() => {
     if (!data) return 'EMS state unknown';
-
     switch (data.bus_status) {
       case busConnectionStatus.BUS_STATUS_CONNECTED:
         return `EMS ${LL.CONNECTED(0)} (${formatDurationSec(data.bus_uptime, LL)})`;
@@ -111,12 +78,10 @@ const SystemStatus = () => {
       default:
         return 'EMS state unknown';
     }
-  }, [data?.bus_status, data?.bus_uptime, LL]);
+  })();
 
-  // Memoize derived status values to avoid recalculation on every render
+  const systemStatus = (() => {
-  const systemStatus = useMemo(() => {
     if (!data) return '??';
-
     switch (data.status) {
       case SystemStatusCodes.SYSTEM_STATUS_PENDING_UPLOAD:
       case SystemStatusCodes.SYSTEM_STATUS_UPLOADING:
@@ -129,14 +94,12 @@ const SystemStatus = () => {
       case SystemStatusCodes.SYSTEM_STATUS_INVALID_GPIO:
         return LL.GPIO_OF(LL.FAILED(0));
       default:
-        // SystemStatusCodes.SYSTEM_STATUS_NORMAL
         return 'OK';
     }
-  }, [data?.status, LL]);
+  })();
 
-  const busStatusHighlight = useMemo(() => {
+  const busStatusHighlight = (() => {
     if (!data) return theme.palette.warning.main;
-
     switch (data.bus_status) {
       case busConnectionStatus.BUS_STATUS_TX_ERRORS:
         return theme.palette.warning.main;
@@ -147,11 +110,10 @@ const SystemStatus = () => {
       default:
         return theme.palette.warning.main;
     }
-  }, [data?.bus_status, theme.palette]);
+  })();
 
-  const ntpStatus = useMemo(() => {
+  const ntpStatus = (() => {
     if (!data) return LL.UNKNOWN();
-
     switch (data.ntp_status) {
       case NTPSyncStatus.NTP_DISABLED:
         return LL.NOT_ENABLED();
@@ -164,11 +126,10 @@ const SystemStatus = () => {
       default:
         return LL.UNKNOWN();
     }
-  }, [data?.ntp_status, data?.ntp_time, LL]);
+  })();
 
-  const ntpStatusHighlight = useMemo(() => {
+  const ntpStatusHighlight = (() => {
     if (!data) return theme.palette.error.main;
-
     switch (data.ntp_status) {
       case NTPSyncStatus.NTP_DISABLED:
         return theme.palette.info.main;
@@ -179,11 +140,10 @@ const SystemStatus = () => {
       default:
         return theme.palette.error.main;
     }
-  }, [data?.ntp_status, theme.palette]);
+  })();
 
-  const networkStatusHighlight = useMemo(() => {
+  const networkStatusHighlight = (() => {
     if (!data) return theme.palette.warning.main;
-
     switch (data.network_status) {
       case NetworkConnectionStatus.WIFI_STATUS_IDLE:
       case NetworkConnectionStatus.WIFI_STATUS_DISCONNECTED:
@@ -198,11 +158,10 @@ const SystemStatus = () => {
       default:
         return theme.palette.warning.main;
     }
-  }, [data?.network_status, theme.palette]);
+  })();
 
-  const networkStatus = useMemo(() => {
+  const networkStatus = (() => {
     if (!data) return LL.UNKNOWN();
-
     switch (data.network_status) {
       case NetworkConnectionStatus.WIFI_STATUS_NO_SHIELD:
         return LL.INACTIVE(1);
@@ -223,114 +182,22 @@ const SystemStatus = () => {
       default:
         return LL.UNKNOWN();
     }
-  }, [data?.network_status, data?.wifi_rssi, LL]);
+  })();
 
-  const activeHighlight = useCallback(
+  const activeHighlight = (value: boolean) =>
-    (value: boolean) =>
+    value ? theme.palette.success.main : theme.palette.info.main;
-      value ? theme.palette.success.main : theme.palette.info.main,
-    [theme.palette]
-  );
 
-  const doRestart = useCallback(async () => {
-    setConfirmRestart(false);
-    setRestarting(true);
-    await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
-      (error: Error) => {
-        toast.error(error.message);
-      }
-    );
-  }, [sendAPI]);
-
-  const handleCloseRestartDialog = useCallback(() => {
-    setConfirmRestart(false);
-  }, []);
-
-  const renderRestartDialog = useMemo(
-    () => (
-      <Dialog
-        sx={dialogStyle}
-        open={confirmRestart}
-        onClose={handleCloseRestartDialog}
-      >
-        <DialogTitle>{LL.RESTART()}</DialogTitle>
-        <DialogContent dividers>{LL.RESTART_CONFIRM()}</DialogContent>
-        <DialogActions>
-          <Button
-            startIcon={<CancelIcon />}
-            variant="outlined"
-            onClick={handleCloseRestartDialog}
-            color="secondary"
-          >
-            {LL.CANCEL()}
-          </Button>
-          <Button
-            startIcon={<PowerSettingsNewIcon />}
-            variant="outlined"
-            onClick={doRestart}
-            color="error"
-          >
-            {LL.RESTART()}
-          </Button>
-        </DialogActions>
-      </Dialog>
-    ),
-    [confirmRestart, handleCloseRestartDialog, doRestart, LL]
-  );
-
-  // Memoize formatted values
-  const firmwareVersion = useMemo(
-    () => `v${data?.emsesp_version || ''}`,
-    [data?.emsesp_version]
-  );
-
-  const uptimeText = useMemo(
-    () => (data ? formatDurationSec(data.uptime, LL) : ''),
-    [data?.uptime, LL]
-  );
-
-  const freeMemoryText = useMemo(
-    () => (data ? `${formatNumber(data.free_heap)} KB ${LL.FREE_MEMORY()}` : ''),
-    [data?.free_heap, LL]
-  );
-
-  const networkIcon = useMemo(
-    () =>
-      data?.network_status === NetworkConnectionStatus.WIFI_STATUS_CONNECTED
-        ? WifiIcon
-        : RouterIcon,
-    [data?.network_status]
-  );
-
-  const mqttStatusText = useMemo(
-    () => (data?.mqtt_status ? LL.CONNECTED(0) : LL.INACTIVE(0)),
-    [data?.mqtt_status, LL]
-  );
-
-  const apStatusText = useMemo(
-    () => (data?.ap_status ? LL.ACTIVE() : LL.INACTIVE(0)),
-    [data?.ap_status, LL]
-  );
-
-  const handleRestartClick = useCallback(() => {
-    setConfirmRestart(true);
-  }, []);
-
-  const content = useMemo(() => {
   if (!data || !LL) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
+    return (
+      <SectionContent>
+        <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />
+      </SectionContent>
+    );
   }
 
   return (
-      <>
+    <SectionContent>
       <List>
-          <ListMenuItem
-            icon={BuildIcon}
-            bgcolor="#72caf9"
-            label="EMS-ESP Firmware"
-            text={firmwareVersion}
-            to="version"
-          />
-
         <ListItem>
           <ListItemAvatar>
             <Avatar sx={{ bgcolor: '#c5572c', color: 'white' }}>
@@ -339,18 +206,8 @@ const SystemStatus = () => {
           </ListItemAvatar>
           <ListItemText
             primary={LL.STATUS_OF(LL.SYSTEM(0))}
-              secondary={`${systemStatus} (${LL.UPTIME()}: ${uptimeText})`}
+            secondary={`${systemStatus} (${LL.UPTIME()}: ${formatDurationSec(data.uptime, LL)})`}
           />
-            {me.admin && (
-              <Button
-                startIcon={<PowerSettingsNewIcon />}
-                variant="outlined"
-                color="error"
-                onClick={handleRestartClick}
-              >
-                {LL.RESTART()}
-              </Button>
-            )}
         </ListItem>
 
         <ListMenuItem
@@ -358,7 +215,7 @@ const SystemStatus = () => {
           icon={MemoryIcon}
           bgcolor="#68374d"
           label={LL.HARDWARE()}
-            text={freeMemoryText}
+          text={`${formatNumber(data.free_heap)} KB ${LL.FREE_MEMORY()}`}
           to="/status/hardwarestatus"
         />
 
@@ -373,7 +230,11 @@ const SystemStatus = () => {
 
         <ListMenuItem
           disabled={!me.admin}
-            icon={networkIcon}
+          icon={
+            data.network_status === NetworkConnectionStatus.WIFI_STATUS_CONNECTED
+              ? WifiIcon
+              : RouterIcon
+          }
           bgcolor={networkStatusHighlight}
           label={LL.NETWORK(1)}
           text={networkStatus}
@@ -385,7 +246,7 @@ const SystemStatus = () => {
           icon={DeviceHubIcon}
           bgcolor={activeHighlight(data.mqtt_status)}
           label="MQTT"
-            text={mqttStatusText}
+          text={data.mqtt_status ? LL.CONNECTED(0) : LL.INACTIVE(0)}
           to="/status/mqtt"
         />
 
@@ -403,7 +264,7 @@ const SystemStatus = () => {
           icon={SettingsInputAntennaIcon}
           bgcolor={activeHighlight(data.ap_status)}
           label={LL.ACCESS_POINT(0)}
-            text={apStatusText}
+          text={data.ap_status ? LL.ACTIVE() : LL.INACTIVE(0)}
           to="/status/ap"
         />
 
@@ -416,34 +277,8 @@ const SystemStatus = () => {
           to="/status/log"
         />
       </List>
-
+    </SectionContent>
-        {renderRestartDialog}
-      </>
   );
-  }, [
-    data,
-    LL,
-    firmwareVersion,
-    uptimeText,
-    freeMemoryText,
-    networkIcon,
-    mqttStatusText,
-    apStatusText,
-    busStatus,
-    busStatusHighlight,
-    networkStatusHighlight,
-    networkStatus,
-    ntpStatusHighlight,
-    ntpStatus,
-    activeHighlight,
-    me.admin,
-    handleRestartClick,
-    error,
-    loadData,
-    renderRestartDialog
-  ]);
-
-  return restarting ? <SystemMonitor /> : <SectionContent>{content}</SectionContent>;
 };
 
 export default SystemStatus;

interface/src/app/status/SystemLog.tsx

@@ -1,11 +1,4 @@
-import {
+import { memo, useEffect, useLayoutEffect, useRef, useState } from 'react';
-  memo,
-  useCallback,
-  useEffect,
-  useLayoutEffect,
-  useRef,
-  useState
-} from 'react';
 import { toast } from 'react-toastify';
 
 import DownloadIcon from '@mui/icons-material/GetApp';
@@ -185,8 +178,7 @@ const SystemLog = () => {
     };
   }, [data]); // Recalculate when data changes (in case layout shifts)
 
-  // Memoize message handler to avoid recreating on every render
+  const handleLogMessage = (message: { data: string }) => {
-  const handleLogMessage = useCallback((message: { data: string }) => {
     const rawData = message.data;
     const logentry = JSON.parse(rawData) as LogEntry;
     setLogEntries((log) => {
@@ -200,7 +192,7 @@ const SystemLog = () => {
       const newLog = [...log, logentry];
       return newLog;
     });
-  }, []);
+  };
 
   useSSE(fetchLogES, {
     immediate: true,
@@ -211,7 +203,7 @@ const SystemLog = () => {
       toast.error('No connection to Log service');
     });
 
-  const onDownload = useCallback(() => {
+  const onDownload = () => {
     const result = logEntries
       .map((i) => `${i.t} ${levelLabel(i.l)} ${i.i}: [${i.n}] ${i.m}`)
       .join('\n');
@@ -225,11 +217,11 @@ const SystemLog = () => {
     document.body.appendChild(a);
     a.click();
     document.body.removeChild(a);
-  }, [logEntries]);
+  };
 
-  const saveSettings = useCallback(async () => {
+  const saveSettings = async () => {
     await saveData();
-  }, [saveData]);
+  };
 
   // handle scrolling - optimized to only scroll when needed
   const ref = useRef<HTMLDivElement>(null);
@@ -246,7 +238,7 @@ const SystemLog = () => {
     }
   }, [logEntries.length, autoscroll]);
 
-  const sendReadCommand = useCallback(() => {
+  const sendReadCommand = () => {
     if (readValue === '') {
       setReadOpen(!readOpen);
       return;
@@ -257,7 +249,7 @@ const SystemLog = () => {
       setReadOpen(false);
       setReadValue('');
     }
-  }, [readValue, readOpen, send]);
+  };
 
   const content = () => {
     if (!data) {

interface/src/app/status/SystemMonitor.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useRef, useState } from 'react';
+import { useRef, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import { Box, Button, Typography } from '@mui/material';
@@ -57,10 +57,9 @@ const SystemMonitor = () => {
     void send();
   }, 1000); // check every 1 second
 
-  const { statusMessage, isUploading, progressValue } = useMemo(() => {
   const status = data?.status;
 
-    const message =
+  const statusMessage =
     status && status >= SystemStatusCodes.SYSTEM_STATUS_UPLOADING
       ? LL.WAIT_FIRMWARE()
       : status === SystemStatusCodes.SYSTEM_STATUS_PENDING_RESTART
@@ -71,25 +70,18 @@ const SystemMonitor = () => {
             ? 'Upload Failed'
             : LL.RESTARTING_POST();
 
-    const uploading =
+  const isUploading =
     status !== undefined && status >= SystemStatusCodes.SYSTEM_STATUS_UPLOADING;
-    const progress =
+  const progressValue =
-      uploading && status
+    isUploading && status
       ? Math.round(status - SystemStatusCodes.SYSTEM_STATUS_UPLOADING)
       : 0;
 
-    return {
+  const onCancel = async () => {
-      statusMessage: message,
-      isUploading: uploading,
-      progressValue: progress
-    };
-  }, [data?.status, LL]);
-
-  const onCancel = useCallback(async () => {
     setErrorMessage(undefined);
     await setSystemStatus(String(SystemStatusCodes.SYSTEM_STATUS_NORMAL));
     document.location.href = '/';
-  }, [setSystemStatus]);
+  };
 
   return (
     <Box

interface/src/app/status/Version.tsx

@@ -1,931 +0,0 @@
-import {
-  memo,
-  useCallback,
-  useContext,
-  useEffect,
-  useMemo,
-  useRef,
-  useState
-} from 'react';
-import { Link } from 'react-router';
-import { toast } from 'react-toastify';
-
-import CancelIcon from '@mui/icons-material/Cancel';
-import CloseIcon from '@mui/icons-material/Close';
-import CheckIcon from '@mui/icons-material/Done';
-import DownloadIcon from '@mui/icons-material/GetApp';
-import InfoOutlinedIcon from '@mui/icons-material/InfoOutlined';
-import WarningIcon from '@mui/icons-material/Warning';
-import {
-  Box,
-  Button,
-  Dialog,
-  DialogActions,
-  DialogContent,
-  DialogTitle,
-  Grid,
-  IconButton,
-  Table,
-  TableBody,
-  TableCell,
-  TableRow,
-  Typography
-} from '@mui/material';
-
-import * as SystemApi from 'api/system';
-import { API, callAction } from 'api/app';
-import { getDevVersion, getStableVersion } from 'api/system';
-
-import { dialogStyle } from 'CustomTheme';
-import { useRequest } from 'alova/client';
-import type { APIcall } from 'app/main/types';
-import SystemMonitor from 'app/status/SystemMonitor';
-import {
-  FormLoader,
-  SectionContent,
-  SingleUpload,
-  useLayoutTitle
-} from 'components';
-import { AuthenticatedContext } from 'contexts/authentication';
-import { useI18nContext } from 'i18n/i18n-react';
-import type { TranslationFunctions } from 'i18n/i18n-types';
-import { prettyDateTime } from 'utils/time';
-
-// Constants moved outside component to avoid recreation
-const STABLE_URL = 'https://github.com/emsesp/EMS-ESP32/releases/download/';
-const STABLE_RELNOTES_URL =
-  'https://github.com/emsesp/EMS-ESP32/blob/main/CHANGELOG.md';
-const DEV_URL = 'https://github.com/emsesp/EMS-ESP32/releases/download/latest/';
-const DEV_RELNOTES_URL =
-  'https://github.com/emsesp/EMS-ESP32/blob/dev/CHANGELOG_LATEST.md';
-
-// Types for better type safety
-interface PartitionData {
-  partition: string;
-  version: string;
-  install_date?: string;
-  size: number;
-}
-
-interface VersionData {
-  emsesp_version: string;
-  arduino_version: string;
-  esp_platform: string;
-  flash_chip_size: number;
-  psram: boolean;
-  build_flags?: string;
-  partition: string;
-  partitions: PartitionData[];
-  developer_mode: boolean;
-}
-
-interface UpgradeCheckData {
-  emsesp_version: string;
-  dev_upgradeable: boolean;
-  stable_upgradeable: boolean;
-}
-
-interface VersionInfo {
-  name: string;
-  published_at?: string;
-}
-
-// Memoized components for better performance
-const VersionInfoDialog = memo(
-  ({
-    showVersionInfo,
-    latestVersion,
-    latestDevVersion,
-    partitionVersion,
-    partition,
-    currentPartition,
-    size,
-    locale,
-    LL,
-    onClose
-  }: {
-    showVersionInfo: number;
-    latestVersion?: VersionInfo;
-    latestDevVersion?: VersionInfo;
-    partitionVersion?: VersionInfo | undefined;
-    partition: string;
-    currentPartition: string;
-    size: number;
-    locale: string;
-    LL: TranslationFunctions;
-    onClose: () => void;
-  }) => {
-    if (showVersionInfo === 0) return null;
-
-    const isStable = showVersionInfo === 1;
-    const isDev = showVersionInfo === 2;
-    const isPartition = showVersionInfo === 3;
-
-    const version = isStable
-      ? latestVersion
-      : isDev
-        ? latestDevVersion
-        : partitionVersion;
-    const relNotesUrl = isStable
-      ? STABLE_RELNOTES_URL
-      : isDev
-        ? DEV_RELNOTES_URL
-        : '';
-
-    return (
-      <Dialog sx={dialogStyle} open={showVersionInfo !== 0} onClose={onClose}>
-        <DialogTitle>{LL.FIRMWARE_VERSION_INFO()}</DialogTitle>
-        <DialogContent dividers>
-          <Table size="small" sx={{ borderCollapse: 'collapse', minWidth: 0 }}>
-            <TableBody>
-              <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                <TableCell
-                  component="th"
-                  scope="row"
-                  sx={{
-                    color: 'lightblue',
-                    borderBottom: 'none',
-                    pr: 1,
-                    py: 0.5,
-                    fontSize: 13
-                  }}
-                >
-                  {LL.VERSION()}
-                </TableCell>
-                <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                  {isPartition
-                    ? typeof version === 'string'
-                      ? version
-                      : version?.name
-                    : version?.name}
-                </TableCell>
-              </TableRow>
-              <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                <TableCell
-                  component="th"
-                  scope="row"
-                  sx={{
-                    color: 'lightblue',
-                    borderBottom: 'none',
-                    pr: 1,
-                    py: 0.5,
-                    fontSize: 13,
-                    width: 140
-                  }}
-                >
-                  {isPartition ? LL.TYPE(0) : LL.RELEASE_TYPE()}
-                </TableCell>
-                <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                  {partition === currentPartition && LL.ACTIVE() + ' '}
-                  {isStable
-                    ? LL.STABLE()
-                    : isDev
-                      ? LL.DEVELOPMENT()
-                      : 'Partition ' + LL.VERSION()}
-                </TableCell>
-              </TableRow>
-              {isPartition && (
-                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                  <TableCell
-                    component="th"
-                    scope="row"
-                    sx={{
-                      color: 'lightblue',
-                      borderBottom: 'none',
-                      pr: 1,
-                      py: 0.5,
-                      fontSize: 13
-                    }}
-                  >
-                    Partition
-                  </TableCell>
-                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                    {partition}
-                  </TableCell>
-                </TableRow>
-              )}
-              {isPartition && (
-                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                  <TableCell
-                    component="th"
-                    scope="row"
-                    sx={{
-                      color: 'lightblue',
-                      borderBottom: 'none',
-                      pr: 1,
-                      py: 0.5,
-                      fontSize: 13
-                    }}
-                  >
-                    Size
-                  </TableCell>
-                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                    {size} KB
-                  </TableCell>
-                </TableRow>
-              )}
-              {version?.published_at && (
-                <TableRow sx={{ height: 24, borderBottom: 'none' }}>
-                  <TableCell
-                    component="th"
-                    scope="row"
-                    sx={{
-                      color: 'lightblue',
-                      borderBottom: 'none',
-                      pr: 1,
-                      py: 0.5,
-                      fontSize: 13
-                    }}
-                  >
-                    {isPartition ? 'Install Date' : 'Build Date'}
-                  </TableCell>
-                  <TableCell sx={{ borderBottom: 'none', py: 0.5, fontSize: 13 }}>
-                    {prettyDateTime(locale, new Date(version.published_at))}
-                  </TableCell>
-                </TableRow>
-              )}
-            </TableBody>
-          </Table>
-        </DialogContent>
-        <DialogActions>
-          {!isPartition && (
-            <Button
-              variant="outlined"
-              component="a"
-              href={relNotesUrl}
-              target="_blank"
-              color="primary"
-            >
-              Changelog
-            </Button>
-          )}
-          <Button variant="outlined" onClick={onClose} color="secondary">
-            {LL.CLOSE()}
-          </Button>
-        </DialogActions>
-      </Dialog>
-    );
-  }
-);
-
-const InstallDialog = memo(
-  ({
-    openInstallDialog,
-    fetchDevVersion,
-    latestVersion,
-    latestDevVersion,
-    upgradeImportantMessageType,
-    downloadOnly,
-    platform,
-    LL,
-    onClose,
-    onInstall
-  }: {
-    openInstallDialog: boolean;
-    fetchDevVersion: boolean;
-    latestVersion?: VersionInfo;
-    latestDevVersion?: VersionInfo;
-    upgradeImportantMessageType: number;
-    downloadOnly: boolean;
-    platform: string;
-    LL: TranslationFunctions;
-    onClose: () => void;
-    onInstall: (url: string) => void;
-  }) => {
-    const binURL = useMemo(() => {
-      if (!latestVersion || !latestDevVersion) return '';
-
-      const version = fetchDevVersion ? latestDevVersion : latestVersion;
-      const filename = `EMS-ESP-${version.name.replaceAll('.', '_')}-${platform}.bin`;
-
-      return fetchDevVersion
-        ? `${DEV_URL}${filename}`
-        : `${STABLE_URL}v${version.name}/${filename}`;
-    }, [fetchDevVersion, latestVersion, latestDevVersion, platform]);
-
-    return (
-      <Dialog sx={dialogStyle} open={openInstallDialog} onClose={onClose}>
-        <DialogTitle>
-          {`${LL.INSTALL()} ${fetchDevVersion ? LL.DEVELOPMENT() : LL.STABLE()} Firmware`}
-        </DialogTitle>
-        <DialogContent dividers>
-          <Typography sx={{ mb: 2 }}>
-            {LL.INSTALL_VERSION(
-              downloadOnly ? LL.DOWNLOAD(1) : LL.INSTALL(),
-              fetchDevVersion ? latestDevVersion?.name : latestVersion?.name
-            )}
-          </Typography>
-          {upgradeImportantMessageType === 2 && LL.UPGRADE_IMPORTANT_MESSAGES_2()}
-          {upgradeImportantMessageType === 1 && (
-            <>
-              {LL.UPGRADE_IMPORTANT_MESSAGES_1()}
-              <Typography sx={{ mt: 2 }}>
-                <Link to="/settings/downloadUpload" style={{ color: 'lightblue' }}>
-                  {LL.DOWNLOAD_SYSTEM_BACKUP()}
-                </Link>
-              </Typography>
-            </>
-          )}
-          <Typography sx={{ mt: 2 }}>
-            <Link
-              to="https://docs.emsesp.org/FAQ#upgrading-the-firmware"
-              target="_blank"
-              rel="noreferrer"
-              style={{ color: 'lightblue' }}
-            >
-              {LL.ONLINE_HELP()}
-            </Link>
-          </Typography>
-        </DialogContent>
-        <DialogActions>
-          <Button
-            startIcon={<CancelIcon />}
-            variant="outlined"
-            onClick={onClose}
-            color="secondary"
-          >
-            {LL.CANCEL()}
-          </Button>
-          <Button
-            startIcon={<DownloadIcon />}
-            variant="outlined"
-            onClick={onClose}
-            color="primary"
-          >
-            <Link
-              to={binURL}
-              target="_blank"
-              rel="noreferrer"
-              style={{ color: 'lightblue', textDecoration: 'none' }}
-            >
-              {LL.DOWNLOAD(0)}
-            </Link>
-          </Button>
-          {!downloadOnly && (
-            <Button
-              startIcon={<WarningIcon color="warning" />}
-              variant="outlined"
-              onClick={() => onInstall(binURL)}
-              color="primary"
-            >
-              {LL.INSTALL()}
-            </Button>
-          )}
-        </DialogActions>
-      </Dialog>
-    );
-  }
-);
-
-const InstallPartitionDialog = memo(
-  ({
-    openInstallPartitionDialog,
-    version,
-    partition,
-    LL,
-    onClose,
-    onInstall
-  }: {
-    openInstallPartitionDialog: boolean;
-    version: string;
-    partition: string;
-    LL: TranslationFunctions;
-    onClose: () => void;
-    onInstall: (partition: string) => void;
-  }) => {
-    return (
-      <Dialog sx={dialogStyle} open={openInstallPartitionDialog} onClose={onClose}>
-        <DialogTitle>
-          {LL.INSTALL()} {LL.STORED_VERSIONS()}
-        </DialogTitle>
-        <DialogContent dividers>
-          <Typography sx={{ mb: 2 }}>
-            {LL.INSTALL_VERSION(LL.INSTALL(), version)}
-          </Typography>
-        </DialogContent>
-        <DialogActions>
-          <Button
-            startIcon={<CancelIcon />}
-            variant="outlined"
-            onClick={onClose}
-            color="secondary"
-          >
-            {LL.CANCEL()}
-          </Button>
-
-          <Button
-            startIcon={<WarningIcon color="warning" />}
-            variant="outlined"
-            onClick={() => onInstall(partition)}
-            color="primary"
-          >
-            {LL.INSTALL()}
-          </Button>
-        </DialogActions>
-      </Dialog>
-    );
-  }
-);
-
-// Helper function moved outside component
-const getPlatform = (data: VersionData): string => {
-  return `${data.esp_platform}-${data.flash_chip_size >= 16384 ? '16MB' : '4MB'}${data.psram ? '+' : ''}`;
-};
-
-const Version = () => {
-  const { LL, locale } = useI18nContext();
-  const { me } = useContext(AuthenticatedContext);
-
-  // State management
-  const [restarting, setRestarting] = useState<boolean>(false);
-  const [openInstallDialog, setOpenInstallDialog] = useState<boolean>(false);
-
-  const [partitionVersion, setPartitionVersion] = useState<VersionInfo | undefined>(
-    undefined
-  );
-  const [partition, setPartition] = useState<string>('');
-  const [openInstallPartitionDialog, setOpenInstallPartitionDialog] =
-    useState<boolean>(false);
-
-  const [usingDevVersion, setUsingDevVersion] = useState<boolean>(false);
-  const [fetchDevVersion, setFetchDevVersion] = useState<boolean>(false);
-  const [devUpgradeAvailable, setDevUpgradeAvailable] = useState<boolean>(false);
-  const [stableUpgradeAvailable, setStableUpgradeAvailable] =
-    useState<boolean>(false);
-  const [internetLive, setInternetLive] = useState<boolean>(false);
-  const [downloadOnly, setDownloadOnly] = useState<boolean>(false);
-  const [showVersionInfo, setShowVersionInfo] = useState<number>(0); // 1 = stable, 2 = dev, 3 = partition
-  const [firmwareSize, setFirmwareSize] = useState<number>(0);
-
-  const { send: sendCheckUpgrade } = useRequest(
-    (versions: string) => callAction({ action: 'checkUpgrade', param: versions }),
-    { immediate: false }
-  ).onSuccess((event) => {
-    const data = event.data as UpgradeCheckData;
-    setDevUpgradeAvailable(data.dev_upgradeable);
-    setStableUpgradeAvailable(data.stable_upgradeable);
-  });
-
-  const { send: sendSetPartition } = useRequest(
-    (partition: string) => callAction({ action: 'setPartition', param: partition }),
-    { immediate: false }
-  ).onError((error) => {
-    toast.error(String(error.error?.message || 'An error occurred'));
-  });
-
-  const {
-    data,
-    send: loadData,
-    error
-  } = useRequest(SystemApi.readSystemStatus).onSuccess((event) => {
-    const systemData = event.data as VersionData;
-    if (systemData.arduino_version.startsWith('Tasmota')) {
-      setDownloadOnly(true);
-    }
-    setUsingDevVersion(systemData.emsesp_version.includes('dev'));
-  });
-
-  const { send: sendUploadURL } = useRequest(
-    (url: string) => callAction({ action: 'uploadURL', param: url }),
-    { immediate: false }
-  );
-
-  const { data: latestVersion } = useRequest(getStableVersion);
-  const { data: latestDevVersion } = useRequest(getDevVersion);
-
-  const { send: sendAPI } = useRequest((data: APIcall) => API(data), {
-    immediate: false
-  });
-
-  const [upgradeImportantMessageType, setUpgradeImportantMessageType] =
-    useState<number>(0);
-
-  const { send: checkUpgradeImportantMessages } = useRequest(
-    (version: string) =>
-      callAction({ action: 'upgradeImportantMessages', param: version }),
-    {
-      immediate: false
-    }
-  )
-    .onSuccess((event) => {
-      const upgradeImportantMessageType_n = (
-        event.data as { upgradeImportantMessageType: number }
-      ).upgradeImportantMessageType;
-      setUpgradeImportantMessageType(upgradeImportantMessageType_n);
-    })
-    .onError((error) => {
-      toast.error(String(error.error?.message || 'An error occurred'));
-    });
-
-  // Memoized values
-  const platform = useMemo(() => (data ? getPlatform(data) : ''), [data]);
-
-  // Memoize filtered partitions to avoid recomputing on every render
-  const otherPartitions = useMemo(
-    () => data?.partitions.filter((p) => p.partition !== data.partition) ?? [],
-    [data]
-  );
-
-  const setPartitionVersionInfo = useCallback(
-    (partition: string) => {
-      setShowVersionInfo(3);
-
-      // search for the partition in the data.partitions array
-      const partitionData = data?.partitions.find((p) => p.partition === partition);
-      if (partitionData) {
-        setPartitionVersion({
-          name: partitionData.version,
-          published_at: partitionData.install_date ?? ''
-        });
-        setPartition(partitionData.partition);
-        setFirmwareSize(partitionData.size);
-      }
-    },
-    [data]
-  );
-
-  const doRestart = useCallback(async () => {
-    await sendAPI({ device: 'system', cmd: 'restart', id: 0 }).catch(
-      (error: Error) => {
-        toast.error(error.message);
-      }
-    );
-    setRestarting(true);
-  }, [sendAPI]);
-
-  const installFirmwareURL = useCallback(
-    async (url: string) => {
-      await sendUploadURL(url).catch((error: Error) => {
-        toast.error(error.message);
-      });
-      await doRestart();
-    },
-    [sendUploadURL, doRestart]
-  );
-
-  const installPartitionFirmware = useCallback(
-    async (partition: string) => {
-      await sendSetPartition(partition).catch((error: Error) => {
-        toast.error(error.message);
-      });
-      setRestarting(true);
-    },
-    [sendSetPartition]
-  );
-
-  const showPartitionDialog = useCallback(
-    (version: string, partition: string, install_date: string) => {
-      setOpenInstallPartitionDialog(true);
-      setPartitionVersion({ name: version, published_at: install_date });
-      setPartition(partition);
-    },
-    []
-  );
-
-  const showFirmwareDialog = useCallback(
-    (useDevVersion: boolean) => {
-      setFetchDevVersion(useDevVersion);
-      void checkUpgradeImportantMessages(
-        useDevVersion ? latestDevVersion?.name : latestVersion?.name
-      );
-      setOpenInstallDialog(true);
-    },
-    [latestDevVersion, latestVersion, fetchDevVersion]
-  );
-
-  const closeInstallDialog = useCallback(() => {
-    setOpenInstallDialog(false);
-  }, []);
-
-  const closeInstallPartitionDialog = useCallback(() => {
-    setOpenInstallPartitionDialog(false);
-  }, []);
-
-  const handleVersionInfoClose = useCallback(() => {
-    setShowVersionInfo(0);
-    setPartitionVersion(undefined);
-    setPartition('');
-  }, []);
-
-  // check upgrades - only once when both versions are available
-  const upgradeCheckedRef = useRef(false);
-  useEffect(() => {
-    if (latestVersion && latestDevVersion && !upgradeCheckedRef.current) {
-      upgradeCheckedRef.current = true;
-      const versions = `${latestDevVersion.name},${latestVersion.name}`;
-      sendCheckUpgrade(versions)
-        .catch((error: Error) => {
-          toast.error(`Failed to check for upgrades: ${error.message}`);
-        })
-        .finally(() => {
-          setInternetLive(true);
-        });
-    }
-  }, [latestVersion, latestDevVersion, sendCheckUpgrade]);
-
-  useLayoutTitle('EMS-ESP Firmware');
-
-  // Memoized button rendering logic
-  const showButtons = useCallback(
-    (showingDev: boolean) => {
-      const choice = showingDev
-        ? !usingDevVersion
-          ? LL.SWITCH_RELEASE_TYPE(LL.DEVELOPMENT())
-          : devUpgradeAvailable
-            ? LL.UPDATE_AVAILABLE()
-            : undefined
-        : usingDevVersion
-          ? LL.SWITCH_RELEASE_TYPE(LL.STABLE())
-          : stableUpgradeAvailable
-            ? LL.UPDATE_AVAILABLE()
-            : undefined;
-
-      if (!choice) {
-        return (
-          <>
-            <CheckIcon
-              color="success"
-              sx={{ verticalAlign: 'middle', ml: 0.5, mr: 0.5 }}
-            />
-            <span style={{ color: '#66bb6a', fontSize: '0.8em' }}>
-              {LL.LATEST_VERSION(usingDevVersion ? LL.DEVELOPMENT() : LL.STABLE())}
-            </span>
-            <Button
-              sx={{ ml: 1 }}
-              variant="outlined"
-              size="small"
-              onClick={() => showFirmwareDialog(showingDev)}
-            >
-              {LL.REINSTALL()}
-            </Button>
-          </>
-        );
-      }
-
-      if (!me.admin) return null;
-
-      return (
-        <Button
-          sx={{ ml: 1 }}
-          variant="outlined"
-          color={choice === LL.UPDATE_AVAILABLE() ? 'success' : 'warning'}
-          size="small"
-          onClick={() => showFirmwareDialog(showingDev)}
-        >
-          {choice}
-        </Button>
-      );
-    },
-    [
-      usingDevVersion,
-      devUpgradeAvailable,
-      stableUpgradeAvailable,
-      me.admin,
-      LL,
-      showFirmwareDialog
-    ]
-  );
-
-  const content = useMemo(() => {
-    if (!data) {
-      return <FormLoader onRetry={loadData} errorMessage={error?.message || ''} />;
-    }
-
-    return (
-      <>
-        <Box sx={{ p: 2, border: '1px solid #565656', borderRadius: 2 }}>
-          <Typography sx={{ mb: 1 }} variant="h6" color="primary">
-            {LL.THIS_VERSION()}
-          </Typography>
-
-          <Grid
-            container
-            direction="row"
-            sx={{
-              justifyContent: 'flex-start',
-              alignItems: 'baseline'
-            }}
-          >
-            <Grid size={{ xs: 4, md: 2 }}>
-              <Typography color="secondary">{LL.VERSION()}</Typography>
-            </Grid>
-            <Grid size={{ xs: 8, md: 10 }}>
-              <Typography>
-                {data.emsesp_version}
-                {data.build_flags && (
-                  <Typography variant="caption">
-                    &nbsp; &#40;{data.build_flags}&#41;
-                  </Typography>
-                )}
-                <IconButton
-                  onClick={() => setPartitionVersionInfo(data.partition)}
-                  aria-label={LL.FIRMWARE_VERSION_INFO()}
-                >
-                  <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
-                </IconButton>
-              </Typography>
-            </Grid>
-
-            <Grid size={{ xs: 4, md: 2 }}>
-              <Typography color="secondary">{LL.PLATFORM()}</Typography>
-            </Grid>
-            <Grid size={{ xs: 8, md: 10 }}>
-              <Typography>
-                {platform}
-                <Typography variant="caption">
-                  &nbsp; &#40;
-                  {data.psram ? (
-                    <CheckIcon
-                      color="success"
-                      sx={{
-                        fontSize: '1.5em',
-                        verticalAlign: 'middle'
-                      }}
-                    />
-                  ) : (
-                    <CloseIcon
-                      color="error"
-                      sx={{
-                        fontSize: '1.5em',
-                        verticalAlign: 'middle'
-                      }}
-                    />
-                  )}
-                  PSRAM&#41;
-                </Typography>
-              </Typography>
-            </Grid>
-          </Grid>
-
-          {internetLive ? (
-            <>
-              <Typography sx={{ mt: 4, mb: 1 }} variant="h6" color="primary">
-                {LL.AVAILABLE_VERSION()}
-              </Typography>
-
-              <Grid
-                container
-                direction="row"
-                rowSpacing={1}
-                sx={{
-                  justifyContent: 'flex-start',
-                  alignItems: 'baseline'
-                }}
-              >
-                {otherPartitions.length > 0 && data.developer_mode && (
-                  <>
-                    <Grid size={{ xs: 4, md: 2 }}>
-                      <Typography color="secondary">
-                        {LL.STORED_VERSIONS()}
-                      </Typography>
-                    </Grid>
-                    <Grid size={{ xs: 8, md: 10 }}>
-                      {otherPartitions.map((partition) => (
-                        <Typography key={partition.partition} sx={{ mb: 1 }}>
-                          {partition.version}
-                          <IconButton
-                            onClick={() =>
-                              setPartitionVersionInfo(partition.partition)
-                            }
-                            aria-label={LL.FIRMWARE_VERSION_INFO()}
-                          >
-                            <InfoOutlinedIcon
-                              color="primary"
-                              sx={{ fontSize: 18 }}
-                            />
-                          </IconButton>
-                          <Button
-                            sx={{ ml: 0 }}
-                            variant="outlined"
-                            size="small"
-                            onClick={() =>
-                              showPartitionDialog(
-                                partition.version,
-                                partition.partition,
-                                partition.install_date ?? ''
-                              )
-                            }
-                          >
-                            {LL.INSTALL()}
-                          </Button>
-                        </Typography>
-                      ))}
-                    </Grid>
-                  </>
-                )}
-                <Grid size={{ xs: 4, md: 2 }}>
-                  <Typography color="secondary">{LL.STABLE()}</Typography>
-                </Grid>
-                <Grid size={{ xs: 8, md: 10 }}>
-                  <Typography>
-                    {latestVersion?.name}
-                    <IconButton
-                      onClick={() => setShowVersionInfo(1)}
-                      aria-label={LL.FIRMWARE_VERSION_INFO()}
-                    >
-                      <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
-                    </IconButton>
-                    {showButtons(false)}
-                  </Typography>
-                </Grid>
-
-                <Grid size={{ xs: 4, md: 2 }}>
-                  <Typography color="secondary">{LL.DEVELOPMENT()}</Typography>
-                </Grid>
-                <Grid size={{ xs: 8, md: 10 }}>
-                  <Typography>
-                    {latestDevVersion?.name}
-                    <IconButton
-                      onClick={() => setShowVersionInfo(2)}
-                      aria-label={LL.FIRMWARE_VERSION_INFO()}
-                    >
-                      <InfoOutlinedIcon color="primary" sx={{ fontSize: 18 }} />
-                    </IconButton>
-                    {showButtons(true)}
-                  </Typography>
-                </Grid>
-              </Grid>
-            </>
-          ) : (
-            <Typography sx={{ mt: 2 }} color="warning">
-              <WarningIcon color="warning" sx={{ verticalAlign: 'middle', mr: 2 }} />
-              {LL.INTERNET_CONNECTION_REQUIRED()}
-            </Typography>
-          )}
-          {me.admin && (
-            <>
-              <VersionInfoDialog
-                showVersionInfo={showVersionInfo}
-                latestVersion={latestVersion}
-                latestDevVersion={latestDevVersion}
-                partitionVersion={partitionVersion}
-                locale={locale}
-                partition={partition}
-                currentPartition={data?.partition ?? ''}
-                size={firmwareSize}
-                LL={LL}
-                onClose={handleVersionInfoClose}
-              />
-              <InstallDialog
-                openInstallDialog={openInstallDialog}
-                fetchDevVersion={fetchDevVersion}
-                latestVersion={latestVersion}
-                latestDevVersion={latestDevVersion}
-                upgradeImportantMessageType={upgradeImportantMessageType}
-                downloadOnly={downloadOnly}
-                platform={platform}
-                LL={LL}
-                onClose={closeInstallDialog}
-                onInstall={installFirmwareURL}
-              />
-              <InstallPartitionDialog
-                openInstallPartitionDialog={openInstallPartitionDialog}
-                version={partitionVersion?.name || ''}
-                partition={partition}
-                LL={LL}
-                onClose={closeInstallPartitionDialog}
-                onInstall={installPartitionFirmware}
-              />
-              <Typography sx={{ pt: 2, pb: 2 }} variant="h6" color="primary">
-                {LL.UPLOAD()}
-              </Typography>
-              <SingleUpload doRestart={doRestart} />
-            </>
-          )}
-        </Box>
-      </>
-    );
-  }, [
-    data,
-    error,
-    loadData,
-    LL,
-    platform,
-    internetLive,
-    latestVersion,
-    latestDevVersion,
-    showVersionInfo,
-    locale,
-    openInstallDialog,
-    fetchDevVersion,
-    downloadOnly,
-    me.admin,
-    showButtons,
-    handleVersionInfoClose,
-    closeInstallDialog,
-    installFirmwareURL,
-    doRestart,
-    otherPartitions,
-    setPartitionVersionInfo,
-    showPartitionDialog,
-    partitionVersion,
-    partition,
-    firmwareSize,
-    closeInstallPartitionDialog,
-    installPartitionFirmware
-  ]);
-
-  return restarting ? <SystemMonitor /> : <SectionContent>{content}</SectionContent>;
-};
-
-export default memo(Version);

interface/src/components/MessageBox.tsx

@@ -1,4 +1,4 @@
-import { type FC, type PropsWithChildren, memo, useMemo } from 'react';
+import { type FC, type PropsWithChildren, memo } from 'react';
 
 import CheckCircleOutlineOutlinedIcon from '@mui/icons-material/CheckCircleOutlineOutlined';
 import ErrorIcon from '@mui/icons-material/Error';
@@ -38,19 +38,18 @@ const MessageBox: FC<PropsWithChildren<MessageBoxProps>> = ({
 }) => {
   const theme = useTheme();
 
-  const { Icon, backgroundColor } = useMemo(() => {
   const Icon = LEVEL_ICONS[level];
   const palettePath = LEVEL_PALETTE_PATHS[level];
-    const [key, shade] = palettePath.split('.') as [
+  const [paletteKeyName, shade] = palettePath.split('.') as [
     keyof typeof theme.palette,
     string
   ];
-    const paletteKey = theme.palette[key] as unknown as Record<string, string>;
+  const paletteKey = theme.palette[paletteKeyName] as unknown as Record<
+    string,
+    string
+  >;
   const backgroundColor = paletteKey[shade];
 
-    return { Icon, backgroundColor };
-  }, [level, theme]);
-
   return (
     <Box
       {...rest}

interface/src/components/inputs/LanguageSelector.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useMemo } from 'react';
+import { memo, useContext } from 'react';
 import type { ChangeEventHandler } from 'react';
 import type { CSSProperties } from 'react';
 
@@ -44,27 +44,14 @@ const LANGUAGE_OPTIONS: LanguageOption[] = [
 const LanguageSelector = () => {
   const { setLocale, locale, LL } = useContext(I18nContext);
 
-  const onLocaleSelected: ChangeEventHandler<HTMLInputElement> = useCallback(
+  const onLocaleSelected: ChangeEventHandler<HTMLInputElement> = async ({
-    async ({ target }) => {
+    target
+  }) => {
     const loc = target.value as Locales;
     localStorage.setItem('lang', loc);
     await loadLocaleAsync(loc);
     setLocale(loc);
-    },
+  };
-    [setLocale]
-  );
-
-  // Memoize menu items to prevent recreation on every render
-  const menuItems = useMemo(
-    () =>
-      LANGUAGE_OPTIONS.map(({ key, flag, label }) => (
-        <MenuItem key={key} value={key}>
-          <img src={flag} style={flagStyle} alt={label} />
-          &nbsp;{label}
-        </MenuItem>
-      )),
-    []
-  );
 
   return (
     <TextField
@@ -76,7 +63,12 @@ const LanguageSelector = () => {
       size="small"
       select
     >
-      {menuItems}
+      {LANGUAGE_OPTIONS.map(({ key, flag, label }) => (
+        <MenuItem key={key} value={key}>
+          <img src={flag} style={flagStyle} alt={label} />
+          &nbsp;{label}
+        </MenuItem>
+      ))}
     </TextField>
   );
 };

interface/src/components/inputs/ValidatedPasswordField.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useState } from 'react';
+import { memo, useState } from 'react';
 import type { FC } from 'react';
 
 import VisibilityIcon from '@mui/icons-material/Visibility';
@@ -13,9 +13,9 @@ type ValidatedPasswordFieldProps = Omit<ValidatedTextFieldProps, 'type'>;
 const ValidatedPasswordField: FC<ValidatedPasswordFieldProps> = ({ ...props }) => {
   const [showPassword, setShowPassword] = useState<boolean>(false);
 
-  const togglePasswordVisibility = useCallback(() => {
+  const togglePasswordVisibility = () => {
     setShowPassword((prev) => !prev);
-  }, []);
+  };
 
   return (
     <ValidatedTextField

interface/src/components/layout/Layout.tsx

@@ -18,7 +18,6 @@ const LayoutComponent: FC<RequiredChildrenProps> = ({ children }) => {
   const [title, setTitle] = useState(PROJECT_NAME);
   const { pathname } = useLocation();
 
-  // Memoize drawer toggle handler to prevent unnecessary re-renders
   const handleDrawerToggle = useCallback(() => {
     setMobileOpen((prev) => !prev);
   }, []);
@@ -28,7 +27,6 @@ const LayoutComponent: FC<RequiredChildrenProps> = ({ children }) => {
     setMobileOpen(false);
   }, [pathname]);
 
-  // Memoize context value to prevent unnecessary re-renders
   const contextValue = useMemo(() => ({ title, setTitle }), [title]);
 
   return (

interface/src/components/layout/LayoutAppBar.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useMemo } from 'react';
+import { memo } from 'react';
 import { Link, useLocation, useNavigate } from 'react-router';
 
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
@@ -39,14 +39,11 @@ const LayoutAppBarComponent = ({ title, onToggleDrawer }: LayoutAppBarProps) =>
   const navigate = useNavigate();
   const location = useLocation();
 
-  const pathnames = useMemo(
+  const pathnames = location.pathname.split('/').filter((x) => x);
-    () => location.pathname.split('/').filter((x) => x),
-    [location.pathname]
-  );
 
-  const handleBackClick = useCallback(() => {
+  const handleBackClick = () => {
     void navigate('/' + pathnames[0]);
-  }, [navigate, pathnames]);
+  };
 
   return (
     <AppBar position="fixed" sx={appBarStyles}>

interface/src/components/layout/LayoutDrawer.tsx

@@ -1,4 +1,4 @@
-import { memo, useMemo } from 'react';
+import { memo } from 'react';
 
 import { Box, Divider, Drawer, Toolbar, Typography, styled } from '@mui/material';
 
@@ -24,9 +24,7 @@ interface LayoutDrawerProps {
 }
 
 const LayoutDrawerComponent = ({ mobileOpen, onClose }: LayoutDrawerProps) => {
-  // Memoize drawer content to prevent unnecessary re-renders
+  const drawer = (
-  const drawer = useMemo(
-    () => (
     <>
       <Toolbar disableGutters>
         <Box sx={{ display: 'flex', alignItems: 'center', p: 2 }}>
@@ -38,8 +36,6 @@ const LayoutDrawerComponent = ({ mobileOpen, onClose }: LayoutDrawerProps) => {
       <Divider />
       <LayoutMenu />
     </>
-    ),
-    []
   );
 
   return (

interface/src/components/layout/LayoutMenu.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback, useContext, useState } from 'react';
+import { memo, useContext, useState } from 'react';
 
 import AccountCircleIcon from '@mui/icons-material/AccountCircle';
 import AssessmentIcon from '@mui/icons-material/Assessment';
@@ -18,13 +18,15 @@ import { AuthenticatedContext } from 'contexts/authentication';
 import { useI18nContext } from 'i18n/i18n-react';
 
 const LayoutMenuComponent = () => {
-  const { me } = useContext(AuthenticatedContext);
+  const { me, versions } = useContext(AuthenticatedContext);
   const { LL } = useI18nContext();
   const [menuOpen, setMenuOpen] = useState(true);
 
-  const handleMenuToggle = useCallback(() => {
+  const upgradeAvailable = versions?.current?.upgradeable ?? false;
+
+  const handleMenuToggle = () => {
     setMenuOpen((prev) => !prev);
-  }, []);
+  };
 
   return (
     <>
@@ -105,6 +107,7 @@ const LayoutMenuComponent = () => {
           label={LL.SETTINGS(0)}
           disabled={!me.admin}
           to="/settings"
+          badge={upgradeAvailable}
         />
         <LayoutMenuItem icon={LiveHelpIcon} label={LL.HELP()} to={`/help`} />
         <Divider />

interface/src/components/layout/LayoutMenuItem.tsx

@@ -1,7 +1,7 @@
-import { memo, useMemo } from 'react';
+import { memo } from 'react';
 import { Link, useLocation } from 'react-router';
 
-import { ListItemButton, ListItemIcon, ListItemText } from '@mui/material';
+import { Box, ListItemButton, ListItemIcon, ListItemText } from '@mui/material';
 import type { SvgIconProps, SxProps, Theme } from '@mui/material';
 
 import { routeMatches } from 'utils';
@@ -11,21 +11,21 @@ interface LayoutMenuItemProps {
   label: string;
   to: string;
   disabled?: boolean;
+  badge?: boolean;
 }
 
 const LayoutMenuItemComponent = ({
   icon: Icon,
   label,
   to,
-  disabled
+  disabled,
+  badge
 }: LayoutMenuItemProps) => {
   const { pathname } = useLocation();
 
-  const selected = useMemo(() => routeMatches(to, pathname), [to, pathname]);
+  const selected = routeMatches(to, pathname);
 
-  // Memoize dynamic styles based on selected state
+  const buttonStyles: SxProps<Theme> = {
-  const buttonStyles: SxProps<Theme> = useMemo(
-    () => ({
     transition: 'all 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
     backgroundColor: selected ? 'rgba(144, 202, 249, 0.1)' : 'transparent',
     borderRadius: '8px',
@@ -43,28 +43,20 @@ const LayoutMenuItemComponent = ({
       backgroundColor: '#90caf9',
       transition: 'width 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)'
     }
-    }),
+  };
-    [selected]
-  );
 
-  const iconStyles: SxProps<Theme> = useMemo(
+  const iconStyles: SxProps<Theme> = {
-    () => ({
     color: selected ? '#90caf9' : '#9e9e9e',
     transition: 'color 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
     transform: selected ? 'scale(1.1)' : 'scale(1)',
     transitionProperty: 'color, transform'
-    }),
+  };
-    [selected]
-  );
 
-  const textStyles: SxProps<Theme> = useMemo(
+  const textStyles: SxProps<Theme> = {
-    () => ({
     color: selected ? '#90caf9' : '#f5f5f5',
     transition: 'color 0.05s cubic-bezier(0.55, 0.085, 0.68, 0.53)',
     transitionProperty: 'color, font-weight'
-    }),
+  };
-    [selected]
-  );
 
   return (
     <ListItemButton
@@ -78,6 +70,20 @@ const LayoutMenuItemComponent = ({
         <Icon />
       </ListItemIcon>
       <ListItemText sx={textStyles}>{label}</ListItemText>
+      {badge && (
+        <Box
+          aria-label="update available"
+          sx={{
+            width: 8,
+            height: 8,
+            ml: 1,
+            borderRadius: '50%',
+            backgroundColor: '#ffeb3b',
+            boxShadow: '0 0 6px rgba(255, 235, 59, 0.8)',
+            flexShrink: 0
+          }}
+        />
+      )}
     </ListItemButton>
   );
 };

interface/src/components/layout/ListMenuItem.tsx

@@ -5,6 +5,7 @@ import { Link } from 'react-router';
 import NavigateNextIcon from '@mui/icons-material/NavigateNext';
 import {
   Avatar,
+  Box,
   ListItem,
   ListItemAvatar,
   ListItemButton,
@@ -20,6 +21,7 @@ interface ListMenuItemProps {
   text: string;
   to?: string;
   disabled?: boolean;
+  badge?: boolean;
 }
 
 const iconStyles: CSSProperties = {
@@ -28,15 +30,40 @@ const iconStyles: CSSProperties = {
   verticalAlign: 'middle'
 };
 
+const Badge = () => (
+  <Box
+    component="span"
+    aria-label="update available"
+    sx={{
+      display: 'inline-block',
+      width: 8,
+      height: 8,
+      ml: 1,
+      verticalAlign: 'middle',
+      borderRadius: '50%',
+      backgroundColor: '#ffeb3b',
+      boxShadow: '0 0 6px rgba(255, 235, 59, 0.8)'
+    }}
+  />
+);
+
 const RenderIcon = memo(
-  ({ icon: Icon, bgcolor, label, text }: ListMenuItemProps) => (
+  ({ icon: Icon, bgcolor, label, text, badge }: ListMenuItemProps) => (
     <>
       <ListItemAvatar>
         <Avatar sx={{ bgcolor, color: 'white' }}>
           <Icon />
         </Avatar>
       </ListItemAvatar>
-      <ListItemText primary={label} secondary={text} />
+      <ListItemText
+        primary={
+          <>
+            {label}
+            {badge && <Badge />}
+          </>
+        }
+        secondary={text}
+      />
     </>
   )
 );
@@ -47,7 +74,8 @@ const LayoutMenuItem = ({
   label,
   text,
   to,
-  disabled
+  disabled,
+  badge
 }: ListMenuItemProps) => (
   <>
     {to && !disabled ? (
@@ -65,6 +93,7 @@ const LayoutMenuItem = ({
             {...(bgcolor && { bgcolor })}
             label={label}
             text={text}
+            {...(badge && { badge })}
           />
         </ListItemButton>
       </ListItem>
@@ -75,6 +104,7 @@ const LayoutMenuItem = ({
           {...(bgcolor && { bgcolor })}
           label={label}
           text={text}
+          {...(badge && { badge })}
         />
       </ListItem>
     )}

interface/src/components/routing/BlockNavigation.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback } from 'react';
+import { memo } from 'react';
 import type { Blocker } from 'react-router';
 
 import {
@@ -15,13 +15,13 @@ import { useI18nContext } from 'i18n/i18n-react';
 const BlockNavigation = ({ blocker }: { blocker: Blocker }) => {
   const { LL } = useI18nContext();
 
-  const handleReset = useCallback(() => {
+  const handleReset = () => {
     blocker.reset?.();
-  }, [blocker]);
+  };
 
-  const handleProceed = useCallback(() => {
+  const handleProceed = () => {
     blocker.proceed?.();
-  }, [blocker]);
+  };
 
   return (
     <Dialog sx={dialogStyle} open={blocker.state === 'blocked'}>

interface/src/components/routing/RouterTabs.tsx

@@ -1,4 +1,4 @@
-import { memo, useCallback } from 'react';
+import { memo } from 'react';
 import type { FC } from 'react';
 import { useNavigate } from 'react-router';
 
@@ -16,12 +16,9 @@ const RouterTabs: FC<RouterTabsProps> = ({ value, children }) => {
   const theme = useTheme();
   const smallDown = useMediaQuery(theme.breakpoints.down('sm'));
 
-  const handleTabChange = useCallback(
+  const handleTabChange = (_event: unknown, path: string) => {
-    (_event: unknown, path: string) => {
     void navigate(path);
-    },
+  };
-    [navigate]
-  );
 
   return (
     <Tabs

interface/src/components/upload/DragNdrop.tsx

@@ -91,8 +91,10 @@ const DragNdrop = ({ text, onFileSelected }: DragNdropProps) => {
       ).upgradeImportantMessageType;
       setUpgradeImportantMessageType(upgradeImportantMessageType_n);
       if (upgradeImportantMessageType_n === 0) {
+        if (file) {
           onFileSelected(file);
         }
+      }
     })
     .onError((error) => {
       toast.error(String(error.error?.message || 'An error occurred'));

interface/src/contexts/authentication/Authentication.tsx

@@ -3,6 +3,7 @@ import type { FC } from 'react';
 import { redirect } from 'react-router';
 import { toast } from 'react-toastify';
 
+import { callAction } from 'api/app';
 import { ACCESS_TOKEN } from 'api/endpoints';
 
 import * as AuthenticationApi from 'components/routing/authentication';
@@ -10,7 +11,7 @@ import { useRequest } from 'alova/client';
 import { LoadingSpinner } from 'components';
 import { verifyAuthorization } from 'components/routing/authentication';
 import { useI18nContext } from 'i18n/i18n-react';
-import type { Me } from 'types';
+import type { Me, VersionsResponse } from 'types';
 import type { RequiredChildrenProps } from 'utils';
 
 import { AuthenticationContext } from './context';
@@ -20,17 +21,34 @@ const Authentication: FC<RequiredChildrenProps> = ({ children }) => {
 
   const [initialized, setInitialized] = useState<boolean>(false);
   const [me, setMe] = useState<Me>();
+  const [versions, setVersions] = useState<VersionsResponse>();
 
   const { send: sendVerifyAuthorization } = useRequest(verifyAuthorization(), {
     immediate: false
   });
 
+  const { send: sendGetVersions } = useRequest(
+    () => callAction({ action: 'getVersions' }),
+    { immediate: false }
+  )
+    .onSuccess((event) => {
+      setVersions(event.data as VersionsResponse);
+    })
+    .onError(() => {
+      setVersions(undefined);
+    });
+
+  const refreshVersions = useCallback(async () => {
+    await sendGetVersions().catch(() => undefined);
+  }, []);
+
   const signIn = (accessToken: string) => {
     try {
       AuthenticationApi.getStorage().setItem(ACCESS_TOKEN, accessToken);
       const decodedMe = AuthenticationApi.decodeMeJWT(accessToken);
       setMe(decodedMe);
       toast.success(LL.LOGGED_IN({ name: decodedMe.username }));
+      void refreshVersions();
     } catch {
       setMe(undefined);
       throw new Error('Failed to parse JWT');
@@ -40,6 +58,7 @@ const Authentication: FC<RequiredChildrenProps> = ({ children }) => {
   const signOut = (doRedirect: boolean) => {
     AuthenticationApi.clearAccessToken();
     setMe(undefined);
+    setVersions(undefined);
     if (doRedirect) {
       redirect('/');
     }
@@ -49,8 +68,9 @@ const Authentication: FC<RequiredChildrenProps> = ({ children }) => {
     const accessToken = AuthenticationApi.getStorage().getItem(ACCESS_TOKEN);
     if (accessToken) {
       await sendVerifyAuthorization()
-        .then(() => {
+        .then(async () => {
           setMe(AuthenticationApi.decodeMeJWT(accessToken));
+          await refreshVersions();
           setInitialized(true);
         })
         .catch(() => {
@@ -67,15 +87,16 @@ const Authentication: FC<RequiredChildrenProps> = ({ children }) => {
     void refresh();
   }, [refresh]);
 
-  // cache object to prevent re-renders
   const obj = useMemo(
     () => ({
       signIn,
       signOut,
       refresh,
-      ...(me && { me })
+      refreshVersions,
+      ...(me && { me }),
+      ...(versions && { versions })
     }),
-    [signIn, signOut, me, refresh]
+    [signIn, signOut, me, refresh, refreshVersions, versions]
   );
 
   if (initialized) {

interface/src/contexts/authentication/context.ts

@@ -1,12 +1,14 @@
 import { createContext } from 'react';
 
-import type { Me } from 'types';
+import type { Me, VersionsResponse } from 'types';
 
 export interface AuthenticationContextValue {
   refresh: () => Promise<void>;
   signIn: (accessToken: string) => void;
   signOut: (redirect: boolean) => void;
   me?: Me;
+  versions?: VersionsResponse;
+  refreshVersions: () => Promise<void>;
 }
 
 const AuthenticationContextDefaultValue = {} as AuthenticationContextValue;

interface/src/i18n/cz/index.ts

@@ -247,8 +247,7 @@ const cz: Translation = {
   TIME_ZONE: 'Časová zóna',
   ACCESS_POINT: 'Přístupový bod',
   AP_PROVIDE: 'Povolit přístupový bod',
-  AP_PROVIDE_TEXT_1: 'Vždy',
+  AP_PROVIDE_TEXT_2: 'Když je síťové připojení stratené',
-  AP_PROVIDE_TEXT_2: 'Když je WiFi odpojena',
   AP_PROVIDE_TEXT_3: 'Nikdy',
   AP_PREFERRED_CHANNEL: 'Preferovaný kanál',
   AP_HIDE_SSID: 'Skrýt SSID',
@@ -262,7 +261,6 @@ const cz: Translation = {
   SCAN_AGAIN: 'Skenovat znovu',
   NETWORK_SCANNER: 'Síťový skener',
   NETWORK_NO_WIFI: 'Nenalezeny žádné WiFi sítě',
-  NETWORK_BLANK_SSID: 'ponechte prázdné pro deaktivaci WiFi a povolení ETH',
   NETWORK_BLANK_BSSID: 'ponechte prázdné pokud použijete jen SSID',
   TX_POWER: 'Vysílací výkon',
   HOSTNAME: 'Název hostitele',

interface/src/i18n/de/index.ts

@@ -247,8 +247,7 @@ const de: Translation = {
   TIME_ZONE: 'Zeitzone',
   ACCESS_POINT: 'Zugangspunkt',
   AP_PROVIDE: 'Aktiviere Zugangspunkt',
-  AP_PROVIDE_TEXT_1: 'Immer',
+  AP_PROVIDE_TEXT_2: 'Wenn Netzwerkverbindung verloren geht',
-  AP_PROVIDE_TEXT_2: 'Wenn WiFi nicht verbunden',
   AP_PROVIDE_TEXT_3: 'Niemals',
   AP_PREFERRED_CHANNEL: 'Bevorzugter Kanal',
   AP_HIDE_SSID: 'Verstecke SSID',
@@ -262,7 +261,6 @@ const de: Translation = {
   SCAN_AGAIN: 'Erneute Suche',
   NETWORK_SCANNER: 'Netzwerksuche',
   NETWORK_NO_WIFI: 'Keine WiFi-Netzwerke gefunden',
-  NETWORK_BLANK_SSID: 'Freilassen, um WiFi zu deaktivieren und ETH zu aktivieren.',
   NETWORK_BLANK_BSSID: 'Freilassen, um nur SSID für die Verbindung zu nutzen.',
   TX_POWER: 'Tx Leistung',
   HOSTNAME: 'Hostname',

interface/src/i18n/en/index.ts

@@ -247,8 +247,7 @@ const en: Translation = {
   TIME_ZONE: 'Time Zone',
   ACCESS_POINT: 'Access Point',
   AP_PROVIDE: 'Enable Access Point',
-  AP_PROVIDE_TEXT_1: 'Always',
+  AP_PROVIDE_TEXT_2: 'When network connection is lost',
-  AP_PROVIDE_TEXT_2: 'When WiFi is disconnected',
   AP_PROVIDE_TEXT_3: 'Never',
   AP_PREFERRED_CHANNEL: 'Preferred Channel',
   AP_HIDE_SSID: 'Hide SSID',
@@ -262,7 +261,6 @@ const en: Translation = {
   SCAN_AGAIN: 'Scan again',
   NETWORK_SCANNER: 'Network Scanner',
   NETWORK_NO_WIFI: 'No WiFi networks found',
-  NETWORK_BLANK_SSID: 'leave blank to disable WiFi and enable ETH',
   NETWORK_BLANK_BSSID: 'leave blank to use only SSID',
   TX_POWER: 'Tx Power',
   HOSTNAME: 'Hostname',

interface/src/i18n/fr/index.ts

@@ -247,8 +247,7 @@ const fr: Translation = {
   TIME_ZONE: 'Fuseau horaire',
   ACCESS_POINT: "Point d'accès",
   AP_PROVIDE: "Activer le Point d'Accès",
-  AP_PROVIDE_TEXT_1: 'toujours',
+  AP_PROVIDE_TEXT_2: 'quand la connexion réseau est perdue',
-  AP_PROVIDE_TEXT_2: 'quand le WiFi est déconnecté',
   AP_PROVIDE_TEXT_3: 'jamais',
   AP_PREFERRED_CHANNEL: 'Canal préféré',
   AP_HIDE_SSID: 'Cacher le SSID',
@@ -262,7 +261,6 @@ const fr: Translation = {
   SCAN_AGAIN: 'Rescanner',
   NETWORK_SCANNER: 'Scan réseau',
   NETWORK_NO_WIFI: 'Pas de réseau WiFi trouvé',
-  NETWORK_BLANK_SSID: 'laisser vide pour désactiver le WiFi',
   NETWORK_BLANK_BSSID: 'laisser vide pour utiliser uniquement le SSID',
   TX_POWER: 'Puissance Tx',
   HOSTNAME: "Nom d'hôte",

interface/src/i18n/it/index.ts

@@ -247,8 +247,7 @@ const it: Translation = {
   TIME_ZONE: 'Fuso orario',
   ACCESS_POINT: 'Access Point',
   AP_PROVIDE: 'Abilita Access Point',
-  AP_PROVIDE_TEXT_1: 'sempre',
+  AP_PROVIDE_TEXT_2: 'quando la connessione di rete è persa',
-  AP_PROVIDE_TEXT_2: 'quando WiFi é disconnessa',
   AP_PROVIDE_TEXT_3: 'mai',
   AP_PREFERRED_CHANNEL: 'Canale preferito',
   AP_HIDE_SSID: 'Nascondi SSID',
@@ -262,7 +261,6 @@ const it: Translation = {
   SCAN_AGAIN: 'Scansiona ancora',
   NETWORK_SCANNER: 'Scansione Rete',
   NETWORK_NO_WIFI: 'Nessuana rete WiFi trovata',
-  NETWORK_BLANK_SSID: 'lasciare vuoto per disattivare WiFi',
   NETWORK_BLANK_BSSID: 'lasciare vuoto per usare solo SSID',
   TX_POWER: 'Potenza Tx',
   HOSTNAME: 'Nome ospite',

interface/src/i18n/nl/index.ts

@@ -247,8 +247,7 @@ const nl: Translation = {
   TIME_ZONE: 'Tijdzone',
   ACCESS_POINT: 'Access Point',
   AP_PROVIDE: 'Activeer Access Point',
-  AP_PROVIDE_TEXT_1: 'altijd',
+  AP_PROVIDE_TEXT_2: 'als netwerk verbinding verloren gaat',
-  AP_PROVIDE_TEXT_2: 'als WiFi niet is verbonden',
   AP_PROVIDE_TEXT_3: 'nooit',
   AP_PREFERRED_CHANNEL: 'Voorkeurskanaal',
   AP_HIDE_SSID: 'SSID verbergen',
@@ -262,7 +261,6 @@ const nl: Translation = {
   SCAN_AGAIN: 'Opnieuw scannen',
   NETWORK_SCANNER: 'Netwerk Scannen',
   NETWORK_NO_WIFI: 'Geen WiFi netwerken gevonden',
-  NETWORK_BLANK_SSID: 'laat leeg om WiFi uit te schakelen',
   NETWORK_BLANK_BSSID: 'laat leeg om alleen SSID te bebruiken',
   TX_POWER: 'Tx Vermogen',
   HOSTNAME: 'Hostnaam',

interface/src/i18n/no/index.ts

@@ -247,8 +247,7 @@ const no: Translation = {
   TIME_ZONE: 'Tidssone',
   ACCESS_POINT: 'Aksesspunkt',
   AP_PROVIDE: 'Aktiver Aksesspunkt',
-  AP_PROVIDE_TEXT_1: 'alltid',
+  AP_PROVIDE_TEXT_2: 'når nettverksforbindelsen er utilgjengelig',
-  AP_PROVIDE_TEXT_2: 'når WiFi er utilgjengelig',
   AP_PROVIDE_TEXT_3: 'aldri',
   AP_PREFERRED_CHANNEL: 'Foretrukket kanal',
   AP_HIDE_SSID: 'Skjul SSID',
@@ -262,7 +261,6 @@ const no: Translation = {
   SCAN_AGAIN: 'Søk igjen',
   NETWORK_SCANNER: 'Nettverk Scanner',
   NETWORK_NO_WIFI: 'Ingen trådløse nett funnet',
-  NETWORK_BLANK_SSID: 'la feltet være blankt for å deaktivisere trådløst nettverk',
   NETWORK_BLANK_BSSID: 'la feltet være blankt for å bruke kun SSID',
   TX_POWER: 'Tx Effekt',
   HOSTNAME: 'Hostname',

interface/src/i18n/pl/index.ts

@@ -247,7 +247,6 @@ const pl: BaseTranslation = {
   TIME_ZONE: 'Strefa czasowa',
   ACCESS_POINT: '{{Punkt|punktu|}} {{dostępowy|dostępowego|}}',
   AP_PROVIDE: 'Punkt dostępowy',
-  AP_PROVIDE_TEXT_1: 'zawsze aktywny',
   AP_PROVIDE_TEXT_2: 'aktywny jeśli brak połączenia z siecią',
   AP_PROVIDE_TEXT_3: 'nieaktywny',
   AP_PREFERRED_CHANNEL: 'Preferowany kanał',
@@ -262,7 +261,6 @@ const pl: BaseTranslation = {
   SCAN_AGAIN: 'Skanuj ponownie',
   NETWORK_SCANNER: 'Skaner sieci WiFi',
   NETWORK_NO_WIFI: 'Brak sieci WiFi w zasięgu',
-  NETWORK_BLANK_SSID: 'pozostaw puste aby wyłączyć WiFi i włączyć ETH',
   NETWORK_BLANK_BSSID: 'pozostaw puste aby używać tylko SSID',
   TX_POWER: 'Moc nadawania',
   HOSTNAME: 'Nazwa w sieci',

interface/src/i18n/sk/index.ts

@@ -247,8 +247,7 @@ const sk: Translation = {
   TIME_ZONE: 'Časová zóna',
   ACCESS_POINT: 'Prístupový bod',
   AP_PROVIDE: 'Povoliť prístupový bod',
-  AP_PROVIDE_TEXT_1: 'vždy',
+  AP_PROVIDE_TEXT_2: 'keď je sieťové pripojenie stratené',
-  AP_PROVIDE_TEXT_2: 'keď je WiFi odpojená',
   AP_PROVIDE_TEXT_3: 'nikdy',
   AP_PREFERRED_CHANNEL: 'Preferovaný kanál',
   AP_HIDE_SSID: 'Skryť SSID',
@@ -262,7 +261,6 @@ const sk: Translation = {
   SCAN_AGAIN: 'Skenovať znova',
   NETWORK_SCANNER: 'Sieťový skener',
   NETWORK_NO_WIFI: 'WiFi siete nenájdené',
-  NETWORK_BLANK_SSID: 'nechajte prázdne, ak chcete zakázať WiFi a povoliť ETH',
   NETWORK_BLANK_BSSID: 'ponechajte prázdne, ak chcete používať iba SSID',
   TX_POWER: 'Tx výkon',
   HOSTNAME: 'Hostname',

interface/src/i18n/sv/index.ts

@@ -247,8 +247,7 @@ const sv: Translation = {
   TIME_ZONE: 'Tidszon',
   ACCESS_POINT: 'Accesspunkt',
   AP_PROVIDE: 'Aktivera accesspunkt',
-  AP_PROVIDE_TEXT_1: 'alltid',
+  AP_PROVIDE_TEXT_2: 'när nätverksanslutningen är bortkopplad',
-  AP_PROVIDE_TEXT_2: 'när WiFi är nedkopplat',
   AP_PROVIDE_TEXT_3: 'aldrig',
   AP_PREFERRED_CHANNEL: 'Kanal',
   AP_HIDE_SSID: 'Göm SSID',
@@ -262,7 +261,6 @@ const sv: Translation = {
   SCAN_AGAIN: 'Sök igen',
   NETWORK_SCANNER: 'Hittade nätverk',
   NETWORK_NO_WIFI: 'Inga WiFi-nätverk hittades',
-  NETWORK_BLANK_SSID: 'lämna blankt för att inaktivera WiFi',
   NETWORK_BLANK_BSSID: 'lämna blankt för att bara använda SSID',
   TX_POWER: 'Tx effekt',
   HOSTNAME: 'Värdnamn',

interface/src/i18n/tr/index.ts

@@ -247,8 +247,7 @@ const tr: Translation = {
   TIME_ZONE: 'Saat dilimi',
   ACCESS_POINT: 'Erişim Noktası',
   AP_PROVIDE: 'Erişim noktasını çalıştır',
-  AP_PROVIDE_TEXT_1: 'her zaman',
+  AP_PROVIDE_TEXT_2: 'Ağ bağlantısı kesildiğinde',
-  AP_PROVIDE_TEXT_2: 'Kablosuz bağlantı kesildiğinde',
   AP_PROVIDE_TEXT_3: 'asla',
   AP_PREFERRED_CHANNEL: 'Tercih edilen kanal',
   AP_HIDE_SSID: 'SSID yi gizle',
@@ -262,7 +261,6 @@ const tr: Translation = {
   SCAN_AGAIN: 'Tekrar tara',
   NETWORK_SCANNER: 'Ağ Tarayıcısı',
   NETWORK_NO_WIFI: 'Hiçbir Kablosuz Ağ bulunamadı',
-  NETWORK_BLANK_SSID: 'Kablosuz ağı devre dışı bırakmak için boş bırakın',
   NETWORK_BLANK_BSSID: 'sadece SSID kullanmak için boş bırakın',
   TX_POWER: 'Aktarım gücü',
   HOSTNAME: 'Ana Makine Adı',

interface/src/types/ap.ts

@@ -1,5 +1,4 @@
 export enum APProvisionMode {
-  AP_MODE_ALWAYS = 0,
   AP_MODE_DISCONNECTED = 1,
   AP_NEVER = 2
 }

interface/src/types/index.ts

@@ -7,3 +7,4 @@ export * from './ntp';
 export * from './security';
 export * from './signin';
 export * from './system';
+export * from './versions';

interface/src/types/versions.ts

@@ -0,0 +1,23 @@
+// Types for the `getVersions` action response coming from the device.
+// The device proxies the request to emsesp.org/versions.json. If the device
+// is offline the `stable` and `dev` fields are omitted.
+
+export interface VersionInfo {
+  version: string;
+  date: string;
+}
+
+export interface RemoteVersionInfo extends VersionInfo {
+  upgradeable: boolean;
+}
+
+export interface CurrentVersionInfo extends VersionInfo {
+  type: 'stable' | 'dev';
+  upgradeable: boolean;
+}
+
+export interface VersionsResponse {
+  current: CurrentVersionInfo;
+  stable?: RemoteVersionInfo;
+  dev?: RemoteVersionInfo;
+}

interface/src/utils/usePersistState.ts

@@ -1,34 +1,27 @@
-import { useEffect, useMemo, useState } from 'react';
+import { useEffect, useState } from 'react';
 
 export const usePersistState = <T>(
   initial_value: T,
   id: string
 ): [T, (new_state: T) => void] => {
-  // Set initial value - only computed once on mount
+  const [state, setState] = useState<T>(() => {
-  const _initial_value = useMemo(() => {
     try {
-      const local_storage_value_str = localStorage.getItem(`state:${id}`);
+      const stored = localStorage.getItem(`state:${id}`);
-      // If there is a value stored in localStorage, use that
+      if (stored) {
-      if (local_storage_value_str) {
+        return JSON.parse(stored) as T;
-        return JSON.parse(local_storage_value_str) as T;
       }
     } catch (error) {
-      // If parsing fails, fall back to initial_value
       console.warn(
         `Failed to parse localStorage value for key "state:${id}"`,
         error
       );
     }
-    // Otherwise use initial_value that was passed to the function
     return initial_value;
-  }, [id]); // initial_value intentionally omitted - only read on first mount
+  });
-
-  const [state, setState] = useState(_initial_value);
 
   useEffect(() => {
     try {
-      const state_str = JSON.stringify(state);
+      localStorage.setItem(`state:${id}`, JSON.stringify(state));
-      localStorage.setItem(`state:${id}`, state_str);
     } catch (error) {
       console.warn(
         `Failed to save state to localStorage for key "state:${id}"`,

interface/src/utils/useRest.ts

@@ -1,4 +1,4 @@
-import { useCallback, useMemo, useState } from 'react';
+import { useCallback, useState } from 'react';
 import { useBlocker } from 'react-router';
 import { toast } from 'react-toastify';
 
@@ -54,37 +54,33 @@ export const useRest = <D>({ read, update }: RestRequestOptions<D>) => {
     }
   }, [readData]);
 
-  const saveData = useCallback(async () => {
+  const saveData = async () => {
     if (!data) return;
 
-    // Reset states before saving
     setRestartNeeded(false);
     setErrorMessage(undefined);
 
     try {
       await writeData(data as D);
-      // Only update origData on successful save (dirtyFlags cleared by onSuccess handler)
       setOrigData(data as D);
     } catch (error) {
       const message = error instanceof Error ? error.message : String(error);
 
       if (message === REBOOT_ERROR_MESSAGE) {
         setRestartNeeded(true);
-        return; // Early return - save succeeded but needs reboot
+        return;
       }
 
-      // Restore original data on validation error
       if (origData) {
         updateData({ data: origData });
       }
       toast.error(message);
       setErrorMessage(message);
-      setDirtyFlags([]); // Clear flags so user can retry
+      setDirtyFlags([]);
     }
-  }, [data, writeData, origData, updateData]);
+  };
 
-  return useMemo(
+  return {
-    () => ({
     loadData,
     saveData,
     saving: !!saving,
@@ -97,18 +93,5 @@ export const useRest = <D>({ read, update }: RestRequestOptions<D>) => {
     blocker,
     errorMessage,
     restartNeeded
-    }),
+  };
-    [
-      loadData,
-      saveData,
-      saving,
-      updateDataValue,
-      data,
-      origData,
-      dirtyFlags,
-      blocker,
-      errorMessage,
-      restartNeeded
-    ]
-  );
 };

interface/vite.config.ts

@@ -6,9 +6,6 @@ import { Plugin, PluginOption, defineConfig } from 'vite';
 import viteImagemin from 'vite-plugin-imagemin';
 import zlib from 'zlib';
 
-// @ts-expect-error - mock server doesn't have type declarations
-import mockServer from '../mock-api/mockServer.js';
-
 // Constants
 const KB_DIVISOR = 1024;
 const REPEAT_CHAR = '=';
@@ -100,6 +97,10 @@ const createPreactPlugin = (devToolsEnabled: boolean) =>
 
 // Patch preact/compat to export stub React 19 APIs (use, useOptimistic) so that
 // react-router v7 doesn't trigger IMPORT_IS_UNDEFINED warnings from Rolldown.
+// Rolldown tracks the constant strings used in `React[REACT_USE]` /
+// `React[USE_OPTIMISTIC]` lookups inside react-router and resolves them
+// statically, so simply relying on a runtime guard is not enough — we need
+// matching (stub) exports on the aliased preact/compat module.
 const preactCompatPatchPlugin = (): Plugin => ({
   name: 'preact-compat-react19-patch',
   transform(code, id) {
@@ -210,9 +211,11 @@ const imageOptimizationPlugin = {
 };
 
 export default defineConfig(
-  ({ command, mode }: { command: string; mode: string }) => {
+  async ({ command, mode }: { command: string; mode: string }) => {
     if (command === 'serve') {
       console.log(`Preparing for standalone build with server, mode=${mode}`);
+      // @ts-expect-error - mock server doesn't have type declarations
+      const { default: mockServer } = await import('../mock-api/mockServer.js');
       return {
         plugins: [...createBasePlugins(true, true), mockServer()],
         resolve: {
@@ -229,8 +232,7 @@ export default defineConfig(
               changeOrigin: true,
               secure: false
             },
-            '/rest': 'http://localhost:3080',
+            '/rest': 'http://localhost:3080'
-            '/gh': 'http://localhost:3080'
           }
         },
         build: {

lib/espMqttClient/src/Config.h

@@ -49,6 +49,10 @@ the LICENSE file.
 #define EMC_CLIENTID_LENGTH 23 + 1
 #endif
 
+#ifdef EMSESP_MQTT_STACKSIZE
+#define EMC_TASK_STACK_SIZE EMSESP_MQTT_STACKSIZE
+#endif
+
 #ifndef EMC_TASK_STACK_SIZE
 #define EMC_TASK_STACK_SIZE 5120
 #endif
@@ -66,14 +70,10 @@ the LICENSE file.
 #endif
 
 #if EMC_USE_MEMPOOL
-  #ifndef EMC_NUM_POOL_ELEMENTS
+#ifndef EMC_NUM_POOL_ELEMENTS
-    #define EMC_NUM_POOL_ELEMENTS 32
+#define EMC_NUM_POOL_ELEMENTS 32
-  #endif
+#endif
-  #ifndef EMC_SIZE_POOL_ELEMENTS
+#ifndef EMC_SIZE_POOL_ELEMENTS
-    #define EMC_SIZE_POOL_ELEMENTS 128
+#define EMC_SIZE_POOL_ELEMENTS 128
-  #endif
 #endif
-
-#ifndef  TASMOTA_SDK
-#define EMC_CLIENT_SECURE
 #endif

lib/espMqttClient/src/MqttClient.cpp

@@ -62,14 +62,19 @@ MqttClient::MqttClient(espMqttClientTypes::UseInternalTask useInternalTask, uint
   _xSemaphore = xSemaphoreCreateMutex();
   EMC_SEMAPHORE_GIVE();  // release before first use
   if (_useInternalTask == espMqttClientTypes::UseInternalTask::YES) {
+    if (core > 1) {
+      xTaskCreate((TaskFunction_t)_loop, "mqttclient", EMC_TASK_STACK_SIZE, this, priority, &_taskHandle);
+    } else {
       xTaskCreatePinnedToCore((TaskFunction_t)_loop, "mqttclient", EMC_TASK_STACK_SIZE, this, priority, &_taskHandle, core);
     }
+  }
 #else
   (void) useInternalTask;
   (void) priority;
   (void) core;
 #endif
   _clientId = _generatedClientId;
+  _core = core;
 }
 
 MqttClient::~MqttClient() {

lib/espMqttClient/src/MqttClient.h

@@ -69,6 +69,16 @@ class MqttClient {
   const char* getClientId() const;
   size_t queueSize();  // No const because of mutex
   void loop();
+  uint32_t stack() {
+#ifndef EMSESP_STANDALONE
+   return uxTaskGetStackHighWaterMark(_taskHandle);
+#else
+    return 0;
+#endif
+  }
+  uint8_t core() {
+   return  _core;
+  }
     
  protected:
   explicit MqttClient(espMqttClientTypes::UseInternalTask useInternalTask, uint8_t priority = 1, uint8_t core = 1);
@@ -98,6 +108,7 @@ class MqttClient {
   uint8_t _willQos;
   bool _willRetain;
   uint32_t _timeout;
+  uint8_t _core;
 
   // state is protected to allow state changes by the transport system, defined in child classes
   // eg. to allow AsyncTCP

lib/espMqttClient/src/Transport/ClientPosix.cpp

@@ -8,7 +8,7 @@ the LICENSE file.
 
 #include "ClientPosix.h"
 
-#if defined(__linux__)
+#if defined(__linux__) || defined(__APPLE__)
 
 namespace espMqttClientInternals {
 

lib/espMqttClient/src/Transport/ClientPosix.h

@@ -8,7 +8,7 @@ the LICENSE file.
 
 #pragma once
 
-#if defined(__linux__)
+#if defined(__linux__) || defined(__APPLE__)
 
 #include <stdio.h>
 #include <stdlib.h>

lib/espMqttClient/src/Transport/ClientSecureSync.cpp

@@ -6,51 +6,50 @@ For a copy, see <https://opensource.org/licenses/MIT> or
 the LICENSE file.
 */
 
-#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+#ifndef NO_TLS_SUPPORT
 
 #include "ClientSecureSync.h"
-#include <lwip/sockets.h>  // socket options
+#include <lwip/sockets.h>
+#include "../Config.h"
 
 namespace espMqttClientInternals {
 
 ClientSecureSync::ClientSecureSync()
-: client() {
+    : client() {
-  // empty
+    client.setClient(&basic_client, true);
+    client.setBufferSizes(EMC_RX_BUFFER_SIZE, EMC_TX_BUFFER_SIZE);
+    client.setSessionTimeout(120); // Set the timeout in seconds (>=120 seconds)
+}
+
+ClientSecureSync::~ClientSecureSync() {
+    stop();
 }
 
 bool ClientSecureSync::connect(IPAddress ip, uint16_t port) {
     bool ret = client.connect(ip, port); // implicit conversion of return code int --> bool
     if (ret) {
-    #if defined(ARDUINO_ARCH_ESP8266)
-    client.setNoDelay(true);
-    #elif defined(ARDUINO_ARCH_ESP32)
         // Set TCP option directly to bypass lack of working setNoDelay for WiFiClientSecure
         int val = true;
-    client.setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+        basic_client.setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
-    #endif
     }
     return ret;
 }
 
-bool ClientSecureSync::connect(const char* host, uint16_t port) {
+bool ClientSecureSync::connect(const char * host, uint16_t port) {
     bool ret = client.connect(host, port); // implicit conversion of return code int --> bool
     if (ret) {
-    #if defined(ARDUINO_ARCH_ESP8266)
-    client.setNoDelay(true);
-    #elif defined(ARDUINO_ARCH_ESP32)
         // Set TCP option directly to bypass lack of working setNoDelay for WiFiClientSecure
         int val = true;
-    client.setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
+        basic_client.setSocketOption(IPPROTO_TCP, TCP_NODELAY, &val, sizeof(int));
-    #endif
     }
     return ret;
 }
 
-size_t ClientSecureSync::write(const uint8_t* buf, size_t size) {
+size_t ClientSecureSync::write(const uint8_t * buf, size_t size) {
     return client.write(buf, size);
 }
 
-int ClientSecureSync::read(uint8_t* buf, size_t size) {
+int ClientSecureSync::read(uint8_t * buf, size_t size) {
     return client.read(buf, size);
 }