sync with dev

interface/package.json

@@ -26,8 +26,8 @@
     "@alova/adapter-xhr": "2.3.1",
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.1",
-    "@mui/icons-material": "^7.3.9",
+    "@mui/icons-material": "^9.0.0",
-    "@mui/material": "^7.3.9",
+    "@mui/material": "^9.0.0",
     "@preact/compat": "^18.3.2",
     "@table-library/react-table-library": "4.1.15",
     "alova": "^3.5.1",
@@ -37,11 +37,11 @@
     "jwt-decode": "^4.0.0",
     "magic-string": "^0.30.21",
     "mime-types": "^3.0.2",
-    "preact": "^10.29.0",
+    "preact": "^10.29.1",
-    "react": "^19.2.4",
+    "react": "^19.2.5",
-    "react-dom": "^19.2.4",
+    "react-dom": "^19.2.5",
     "react-icons": "^5.6.0",
-    "react-router": "^7.13.2",
+    "react-router": "^7.14.1",
     "react-toastify": "^11.0.5",
     "typesafe-i18n": "^5.27.1",
     "typescript": "^6.0.2"
@@ -52,18 +52,18 @@
     "@preact/compat": "^18.3.2",
     "@preact/preset-vite": "^2.10.5",
     "@trivago/prettier-plugin-sort-imports": "^6.0.2",
-    "@types/node": "^25.5.0",
+    "@types/node": "^25.6.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
-    "axe-core": "^4.11.1",
+    "axe-core": "^4.11.3",
     "concurrently": "^9.2.1",
-    "eslint": "^10.1.0",
+    "eslint": "^10.2.0",
     "eslint-config-prettier": "^10.1.8",
-    "prettier": "^3.8.1",
+    "prettier": "^3.8.3",
     "rollup-plugin-visualizer": "^7.0.1",
     "terser": "^5.46.1",
-    "typescript-eslint": "^8.58.0",
+    "typescript-eslint": "^8.58.2",
-    "vite": "^8.0.3",
+    "vite": "^8.0.8",
     "vite-plugin-imagemin": "^0.6.1"
   },
   "packageManager": "pnpm@10.33.0+sha512.10568bb4a6afb58c9eb3630da90cc9516417abebd3fabbe6739f0ae795728da1491e9db5a544c76ad8eb7570f5c4bb3d6c637b2cb41bfdcdb47fa823c8649319"

interface/src/SignIn.tsx

@@ -3,6 +3,7 @@ import { toast } from 'react-toastify';
 
 import ForwardIcon from '@mui/icons-material/Forward';
 import { Box, Button, Paper, Typography } from '@mui/material';
+import type { Theme } from '@mui/material/styles';
 
 import * as AuthenticationApi from 'components/routing/authentication';
 import { useRequest } from 'alova/client';
@@ -36,7 +37,7 @@ const SignIn = memo(() => {
     {
       immediate: false
     }
-  ).onSuccess((response) => {
+  ).onSuccess((response: { data: { access_token: string } }) => {
     if (response.data) {
       authenticationContext.signIn(response.data.access_token);
     }
@@ -78,7 +79,6 @@ const SignIn = memo(() => {
     }
   }, [signInRequest, signIn, LL]);
 
-  // Memoize callback to prevent recreation on every render
   const submitOnEnter = useMemo(() => onEnterCallback(signIn), [signIn]);
 
   // get rid of scrollbar
@@ -92,13 +92,15 @@ const SignIn = memo(() => {
 
   return (
     <Box
-      display="flex"
+      sx={(theme: Theme) => ({
-      height="100vh"
+        display: 'flex',
-      margin="auto"
+        height: '100vh',
-      padding={2}
+        margin: 'auto',
-      justifyContent="center"
+        padding: 2,
-      flexDirection="column"
+        justifyContent: 'center',
-      maxWidth={(theme) => theme.breakpoints.values.sm}
+        flexDirection: 'column',
+        maxWidth: theme.breakpoints.values.sm
+      })}
     >
       <Paper
         sx={(theme) => ({
@@ -111,16 +113,18 @@ const SignIn = memo(() => {
           width: '100%'
         })}
       >
-        <Typography mb={1} variant="h4">
+        <Typography sx={{ mb: 1 }} variant="h4">
           {PROJECT_NAME}
         </Typography>
         <LanguageSelector />
         <Box
-          mt={1}
+          sx={{
-          display="flex"
+            mt: 1,
-          flexDirection="column"
+            display: 'flex',
-          gap={1}
+            flexDirection: 'column',
-          alignItems="center"
+            gap: 1,
+            alignItems: 'center'
+          }}
         >
           <ValidatedTextField
             fieldErrors={fieldErrors || {}}

interface/src/app/main/CustomEntities.tsx

@@ -343,9 +343,9 @@ const CustomEntities = () => {
   return (
     <SectionContent>
       {blocker ? <BlockNavigation blocker={blocker} /> : null}
-      <Box mb={2} color="warning.main">
+      <Typography sx={{ mb: 2 }} color="warning" variant="body1">
-        <Typography variant="body1">{LL.ENTITIES_HELP_1()}.</Typography>
+        {LL.ENTITIES_HELP_1()}.
-      </Box>
+      </Typography>
 
       {renderEntity()}
 
@@ -361,8 +361,8 @@ const CustomEntities = () => {
         />
       )}
 
-      <Box mt={2} display="flex" flexWrap="wrap">
+      <Box sx={{ mt: 2, display: 'flex', flexWrap: 'wrap' }}>
-        <Box flexGrow={1}>
+        <Box sx={{ flexGrow: 1 }}>
           {numChanges > 0 && (
             <ButtonRow>
               <Button
@@ -384,7 +384,7 @@ const CustomEntities = () => {
             </ButtonRow>
           )}
         </Box>
-        <Box flexWrap="nowrap" whiteSpace="nowrap">
+        <Box sx={{ flexWrap: 'nowrap', whiteSpace: 'nowrap' }}>
           <Button
             startIcon={<AddIcon />}
             variant="outlined"

interface/src/app/main/CustomEntitiesDialog.tsx

@@ -7,7 +7,7 @@ import DoneIcon from '@mui/icons-material/Done';
 import EditOffOutlinedIcon from '@mui/icons-material/EditOffOutlined';
 import EditOutlinedIcon from '@mui/icons-material/EditOutlined';
 import InsertCommentOutlinedIcon from '@mui/icons-material/InsertCommentOutlined';
-import RemoveIcon from '@mui/icons-material/RemoveCircleOutline';
+import RemoveIcon from '@mui/icons-material/RemoveCircleOutlined';
 import {
   Box,
   Button,
@@ -178,7 +178,7 @@ const CustomEntitiesDialog = ({
               onChange={updateFormValue}
             />
           </Grid>
-          <Grid mt={3}>
+          <Grid sx={{ mt: 3 }}>
             <BlockFormControlLabel
               control={
                 <Checkbox
@@ -238,7 +238,7 @@ const CustomEntitiesDialog = ({
           )}
           {editItem.ram === 0 && (
             <>
-              <Grid mt={3}>
+              <Grid sx={{ mt: 3 }}>
                 <BlockFormControlLabel
                   control={
                     <Checkbox
@@ -404,7 +404,7 @@ const CustomEntitiesDialog = ({
       </DialogContent>
       <DialogActions>
         {!creating && (
-          <Box flexGrow={1}>
+          <Box sx={{ flexGrow: 1 }}>
             <Button
               startIcon={<RemoveIcon />}
               variant="outlined"

interface/src/app/main/Customizations.tsx

@@ -470,10 +470,10 @@ const Customizations = () => {
 
   const renderDeviceList = () => (
     <>
-      <Box mb={1} color="warning.main">
+      <Typography sx={{ mb: 1 }} color="warning" variant="body1">
-        <Typography variant="body1">{LL.CUSTOMIZATIONS_HELP_1()}.</Typography>
+        {LL.CUSTOMIZATIONS_HELP_1()}.
-      </Box>
+      </Typography>
-      <Box display="flex" flexWrap="wrap" alignItems="center" gap={2}>
+      <Box sx={{ display: 'flex', flexWrap: 'wrap', alignItems: 'center', gap: 2 }}>
         {rename ? (
           <>
             <TextField
@@ -570,27 +570,22 @@ const Customizations = () => {
   const renderDeviceData = () => {
     return (
       <>
-        <Box color="warning.main">
+        <Typography sx={{ mt: 1, mb: 1 }} color="warning" variant="body2">
-          <Typography variant="body2" mt={1} mb={1}>
+          <OptionIcon type="favorite" isSet={true} />={LL.CUSTOMIZATIONS_HELP_2()}
-            <OptionIcon type="favorite" isSet={true} />={LL.CUSTOMIZATIONS_HELP_2()}
+          &nbsp;&nbsp;
-            &nbsp;&nbsp;
+          <OptionIcon type="readonly" isSet={true} />={LL.CUSTOMIZATIONS_HELP_3()}
-            <OptionIcon type="readonly" isSet={true} />={LL.CUSTOMIZATIONS_HELP_3()}
+          &nbsp;&nbsp;
-            &nbsp;&nbsp;
+          <OptionIcon type="api_mqtt_exclude" isSet={true} />=
-            <OptionIcon type="api_mqtt_exclude" isSet={true} />=
+          {LL.CUSTOMIZATIONS_HELP_4()}&nbsp;&nbsp;
-            {LL.CUSTOMIZATIONS_HELP_4()}&nbsp;&nbsp;
+          <OptionIcon type="web_exclude" isSet={true} />={LL.CUSTOMIZATIONS_HELP_5()}
-            <OptionIcon type="web_exclude" isSet={true} />=
+          &nbsp;&nbsp;
-            {LL.CUSTOMIZATIONS_HELP_5()}&nbsp;&nbsp;
+          <OptionIcon type="deleted" isSet={true} />={LL.CUSTOMIZATIONS_HELP_6()}
-            <OptionIcon type="deleted" isSet={true} />={LL.CUSTOMIZATIONS_HELP_6()}
+        </Typography>
-          </Typography>
-        </Box>
         <Grid
           container
-          mb={1}
-          mt={0}
           spacing={2}
           direction="row"
-          justifyContent="flex-start"
+          sx={{ mb: 1, mt: 0, justifyContent: 'flex-start', alignItems: 'center' }}
-          alignItems="center"
         >
           <Grid>
             <TextField
@@ -779,8 +774,8 @@ const Customizations = () => {
           </Button>
         </MessageBox>
       ) : (
-        <Box display="flex" flexWrap="wrap">
+        <Box sx={{ display: 'flex', flexWrap: 'wrap' }}>
-          <Box flexGrow={1}>
+          <Box sx={{ flexGrow: 1 }}>
             {numChanges !== 0 && (
               <ButtonRow>
                 <Button

interface/src/app/main/CustomizationsDialog.tsx

@@ -37,7 +37,7 @@ interface LabelValueProps {
 
 const LabelValue = memo(({ label, value }: LabelValueProps) => (
   <Grid container direction="row">
-    <Typography variant="body2" color="warning.main">
+    <Typography variant="body2" color="warning">
       {label}:&nbsp;
     </Typography>
     <Typography variant="body2">{value}</Typography>
@@ -131,7 +131,7 @@ const CustomizationsDialog = ({
         />
         <LabelValue label={LL.WRITEABLE()} value={writeableIcon} />
 
-        <Box mt={1} mb={2}>
+        <Box sx={{ mt: 1, mb: 2 }}>
           <EntityMaskToggle onUpdate={updateDeviceEntity} de={editItem} />
         </Box>
 
@@ -172,7 +172,7 @@ const CustomizationsDialog = ({
         </Grid>
 
         {error && (
-          <Typography variant="body2" color="error" mt={2}>
+          <Typography sx={{ mt: 2 }} variant="body2" color="error">
             Error: Check min and max values
           </Typography>
         )}

interface/src/app/main/Dashboard.tsx

@@ -6,7 +6,7 @@ import { toast } from 'react-toastify';
 import ChevronRightIcon from '@mui/icons-material/ChevronRight';
 import EditIcon from '@mui/icons-material/Edit';
 import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
-import HelpOutlineIcon from '@mui/icons-material/HelpOutline';
+import HelpOutlineIcon from '@mui/icons-material/HelpOutlined';
 import UnfoldLessIcon from '@mui/icons-material/UnfoldLess';
 import UnfoldMoreIcon from '@mui/icons-material/UnfoldMore';
 import {
@@ -263,7 +263,7 @@ const Dashboard = memo(() => {
     return (
       <>
         {data.connected && data.nodes.length > 0 && !hasFavEntities && (
-          <MessageBox mb={2} level="warning">
+          <MessageBox sx={{ mb: 2 }} level="warning">
             <Typography>
               {LL.NO_DATA_1()}&nbsp;
               <Link to="/customizations" style={{ color: 'white' }}>
@@ -280,10 +280,12 @@ const Dashboard = memo(() => {
         )}
 
         <Box
-          display="flex"
+          sx={{
-          justifyContent="flex-end"
+            display: 'flex',
-          flexWrap="nowrap"
+            justifyContent: 'flex-end',
-          whiteSpace="nowrap"
+            flexWrap: 'nowrap',
+            whiteSpace: 'nowrap'
+          }}
         >
           <ToggleButtonGroup
             size="small"
@@ -306,7 +308,7 @@ const Dashboard = memo(() => {
         </Box>
 
         {data.nodes.length > 0 ? (
-          <Box mt={1} justifyContent="center" flexDirection="column">
+          <Box sx={{ mt: 1, justifyContent: 'center', flexDirection: 'column' }}>
             <IconContext.Provider
               value={{
                 color: 'lightblue',
@@ -373,13 +375,8 @@ const Dashboard = memo(() => {
             </IconContext.Provider>
           </Box>
         ) : (
-          <Box
+          <Box sx={{ display: 'flex' }}>
-            display="flex"
+            <Typography sx={{ mt: 1 }} color="warning" variant="body1">
-            // justifyContent="flex-end"
-            // flexWrap="nowrap"
-            // whiteSpace="nowrap"
-          >
-            <Typography mt={1} color="warning.main" variant="body1">
               no data
             </Typography>
             <Tooltip title={LL.DASHBOARD_1()}>

interface/src/app/main/DeviceIcon.tsx

@@ -1,4 +1,5 @@
 import { memo } from 'react';
+import type { IconType } from 'react-icons';
 import { AiOutlineAlert, AiOutlineControl, AiOutlineGateway } from 'react-icons/ai';
 import { CgSmartHomeBoiler } from 'react-icons/cg';
 import { FaSolarPanel } from 'react-icons/fa';
@@ -15,14 +16,9 @@ import { PiFan, PiGauge } from 'react-icons/pi';
 import { TiFlowSwitch, TiThermometer } from 'react-icons/ti';
 import { VscVmConnect } from 'react-icons/vsc';
 
-import type { SvgIconProps } from '@mui/material';
-
 import { DeviceType } from './types';
 
-const deviceIconLookup: Record<
+const deviceIconLookup: Record<DeviceType, IconType | null> = {
-  DeviceType,
-  React.ComponentType<SvgIconProps> | null
-> = {
   [DeviceType.TEMPERATURESENSOR]: TiThermometer,
   [DeviceType.ANALOGSENSOR]: PiGauge,
   [DeviceType.BOILER]: CgSmartHomeBoiler,

interface/src/app/main/Devices.tsx

@@ -546,7 +546,7 @@ const Devices = memo(() => {
           )
         </MessageBox>
       ) : (
-        <Box justifyContent="center" flexDirection="column">
+        <Box sx={{ justifyContent: 'center', flexDirection: 'column' }}>
           <IconContext.Provider
             value={{
               color: 'lightblue',
@@ -670,12 +670,12 @@ const Devices = memo(() => {
         }}
       >
         <Box sx={{ p: 1 }}>
-          <Grid container justifyContent="space-between">
+          <Grid container sx={{ justifyContent: 'space-between' }}>
-            <Typography noWrap variant="subtitle1" color="warning.main">
+            <Typography noWrap variant="subtitle1" color="warning">
               {deviceInfo.n}&nbsp;(
               {deviceInfo.tn})
             </Typography>
-            <Grid justifyContent="flex-end">
+            <Grid sx={{ justifyContent: 'flex-end' }}>
               <ButtonTooltip title={LL.CLOSE()}>
                 <IconButton onClick={resetDeviceSelect} aria-label={LL.CLOSE()}>
                   <HighlightOffIcon color="primary" sx={{ fontSize: 18 }} />

interface/src/app/main/DevicesDialog.tsx

@@ -128,9 +128,9 @@ const DevicesDialog = ({
     <Dialog sx={dialogStyle} open={open} onClose={onClose}>
       <DialogTitle>{dialogTitle}</DialogTitle>
       <DialogContent dividers>
-        <Box color="warning.main" mb={2}>
+        <Typography sx={{ mb: 2 }} color="warning" variant="body2">
-          <Typography variant="body2">{editItem.id.slice(2)}</Typography>
+          {editItem.id.slice(2)}
-        </Box>
+        </Typography>
         <Grid container>
           <Grid size={12}>
             {editItem.l ? (

interface/src/app/main/Help.tsx

@@ -11,6 +11,7 @@ import {
   Box,
   Button,
   Divider,
+  Grid,
   Link,
   List,
   ListItem,
@@ -42,7 +43,7 @@ interface CustomSupport {
   html: string | null;
 }
 
-const DEFAULT_IMAGE_URL = 'https://emsesp.org/_media/images/installer.jpeg';
+const DEFAULT_IMAGE_URL = 'https://emsesp.org/media/images/installer.jpeg';
 
 const SUPPORT_BOX_STYLES: SxProps<Theme> = {
   borderRadius: 3,
@@ -71,7 +72,6 @@ const HelpComponent = () => {
   });
   const [imgError, setImgError] = useState<boolean>(false);
 
-  // Memoize the request method to prevent re-creation on every render
   const getCustomSupportMethod = useMemo(
     () => callAction({ action: 'getCustomSupport' }),
     []
@@ -146,11 +146,9 @@ const HelpComponent = () => {
     <SectionContent>
       {customSupport.html && (
         <Stack
-          padding={1}
-          mb={2}
           direction="row"
           divider={<Divider orientation="vertical" flexItem />}
-          sx={SUPPORT_BOX_STYLES}
+          sx={{ padding: 1, mb: 2, ...SUPPORT_BOX_STYLES }}
         >
           <Typography variant="subtitle1">
             <div dangerouslySetInnerHTML={{ __html: customSupport.html }} />
@@ -185,9 +183,9 @@ const HelpComponent = () => {
         </List>
       )}
 
-      <Box p={2} color="warning.main">
+      <Grid container spacing={2} sx={{ mt: 2, alignItems: 'center' }}>
-        <Typography mb={1} variant="body1">
+        <Typography sx={{ mb: 1 }} color="warning" variant="body1">
-          {LL.HELP_INFORMATION_4()}.
+          {LL.HELP_INFORMATION_4()}:
         </Typography>
         <Button
           startIcon={<DownloadIcon />}
@@ -197,11 +195,11 @@ const HelpComponent = () => {
         >
           {LL.SUPPORT_INFORMATION(0)}
         </Button>
-      </Box>
+      </Grid>
 
       <Divider sx={{ mt: 4 }} />
 
-      <Typography color="white" variant="subtitle1" align="center" mt={1}>
+      <Typography color="white" variant="subtitle1" align="center" sx={{ mt: 1 }}>
         &copy;&nbsp;
         <Link
           target="_blank"

interface/src/app/main/Modules.tsx

@@ -186,9 +186,9 @@ const Modules = () => {
 
     return (
       <>
-        <Box mb={2} color="warning.main">
+        <Typography sx={{ mb: 2 }} color="warning" variant="body1">
-          <Typography variant="body1">{LL.MODULES_DESCRIPTION()}.</Typography>
+          {LL.MODULES_DESCRIPTION()}.
-        </Box>
+        </Typography>
         <Table
           data={{ nodes: modules }}
           theme={modules_theme}
@@ -236,8 +236,8 @@ const Modules = () => {
           )}
         </Table>
 
-        <Box mt={1} display="flex" flexWrap="wrap">
+        <Box sx={{ mt: 1, display: 'flex', flexWrap: 'wrap' }}>
-          <Box flexGrow={1}>
+          <Box sx={{ flexGrow: 1 }}>
             {numChanges !== 0 && (
               <ButtonRow>
                 <Button

interface/src/app/main/ModulesDialog.tsx

@@ -79,7 +79,7 @@ const ModulesDialog = ({
             label="Enabled"
           />
         </Grid>
-        <Box mt={2} mb={1}>
+        <Box sx={{ mt: 2, mb: 1 }}>
           <TextField
             name="license"
             label="License Key"

interface/src/app/main/OptionIcon.tsx

@@ -2,12 +2,12 @@ import { memo } from 'react';
 
 import CommentsDisabledOutlinedIcon from '@mui/icons-material/CommentsDisabledOutlined';
 import DeleteForeverIcon from '@mui/icons-material/DeleteForever';
-import DeleteOutlineIcon from '@mui/icons-material/DeleteOutline';
+import DeleteOutlineIcon from '@mui/icons-material/DeleteOutlined';
 import EditOffOutlinedIcon from '@mui/icons-material/EditOffOutlined';
 import EditOutlinedIcon from '@mui/icons-material/EditOutlined';
 import InsertCommentOutlinedIcon from '@mui/icons-material/InsertCommentOutlined';
 import StarIcon from '@mui/icons-material/Star';
-import StarOutlineIcon from '@mui/icons-material/StarOutline';
+import StarOutlineIcon from '@mui/icons-material/StarOutlined';
 import VisibilityOffOutlinedIcon from '@mui/icons-material/VisibilityOffOutlined';
 import VisibilityOutlinedIcon from '@mui/icons-material/VisibilityOutlined';
 import type { SvgIconProps } from '@mui/material';

interface/src/app/main/Scheduler.tsx

@@ -358,9 +358,9 @@ const Scheduler = () => {
   return (
     <SectionContent>
       {blocker ? <BlockNavigation blocker={blocker} /> : null}
-      <Box mb={2} color="warning.main">
+      <Typography sx={{ mb: 2 }} color="warning" variant="body1">
-        <Typography variant="body1">{LL.SCHEDULER_HELP_1()}.</Typography>
+        {LL.SCHEDULER_HELP_1()}.
-      </Box>
+      </Typography>
       {renderSchedule()}
 
       {selectedScheduleItem && (
@@ -375,8 +375,8 @@ const Scheduler = () => {
         />
       )}
 
-      <Box display="flex" flexWrap="wrap">
+      <Box sx={{ display: 'flex', flexWrap: 'wrap' }}>
-        <Box flexGrow={1}>
+        <Box sx={{ flexGrow: 1 }}>
           {numChanges !== 0 && (
             <ButtonRow>
               <Button
@@ -398,7 +398,7 @@ const Scheduler = () => {
             </ButtonRow>
           )}
         </Box>
-        <Box flexWrap="nowrap" whiteSpace="nowrap">
+        <Box sx={{ flexWrap: 'nowrap', whiteSpace: 'nowrap' }}>
           <ButtonRow>
             <Button
               startIcon={<AddIcon />}

interface/src/app/main/SchedulerDialog.tsx

@@ -4,7 +4,7 @@ import AddIcon from '@mui/icons-material/Add';
 import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
 import PlayArrowIcon from '@mui/icons-material/PlayArrow';
-import RemoveIcon from '@mui/icons-material/RemoveCircleOutline';
+import RemoveIcon from '@mui/icons-material/RemoveCircleOutlined';
 import {
   Box,
   Button,
@@ -338,11 +338,13 @@ const SchedulerDialog = ({
                     onChange={updateFormValue}
                   />
                   {isTimerSchedule && (
-                    <Box color="warning.main" ml={2} mt={4}>
+                    <Typography
-                      <Typography variant="body2">
+                      sx={{ ml: 2, mt: 4 }}
-                        {LL.SCHEDULER_HELP_2()}
+                      color="warning"
-                      </Typography>
+                      variant="body2"
-                    </Box>
+                    >
+                      {LL.SCHEDULER_HELP_2()}
+                    </Typography>
                   )}
                 </>
               ) : (
@@ -391,7 +393,7 @@ const SchedulerDialog = ({
 
       <DialogActions>
         {!creating && (
-          <Box flexGrow={1}>
+          <Box sx={{ flexGrow: 1 }}>
             <Button
               startIcon={<RemoveIcon />}
               variant="outlined"

interface/src/app/main/Sensors.tsx

@@ -591,7 +591,14 @@ const Sensors = () => {
         />
       )}
       {sensorData?.analog_enabled === true && me.admin && (
-        <Box mt={2} display="flex" flexWrap="wrap" justifyContent="flex-end">
+        <Box
+          sx={{
+            mt: 2,
+            display: 'flex',
+            flexWrap: 'wrap',
+            justifyContent: 'flex-end'
+          }}
+        >
           <Button
             variant="outlined"
             color="primary"

interface/src/app/main/SensorsAnalogDialog.tsx

@@ -2,7 +2,7 @@ import { useCallback, useEffect, useMemo, useState } from 'react';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
-import RemoveIcon from '@mui/icons-material/RemoveCircleOutline';
+import RemoveIcon from '@mui/icons-material/RemoveCircleOutlined';
 import WarningIcon from '@mui/icons-material/Warning';
 import {
   Box,
@@ -479,7 +479,7 @@ const SensorsAnalogDialog = ({
           )}
         </Grid>
         {fieldErrors && Object.keys(fieldErrors).length > 0 && (
-          <Box mt={1}>
+          <Box sx={{ mt: 1 }}>
             {Object.values(fieldErrors).map((errArr, idx) =>
               Array.isArray(errArr)
                 ? errArr.map((err, j) => (
@@ -487,7 +487,7 @@ const SensorsAnalogDialog = ({
                       key={`${idx}-${j}`}
                       color="error"
                       variant="caption"
-                      display="block"
+                      sx={{ display: 'block' }}
                     >
                       {err.message}
                     </Typography>
@@ -498,7 +498,7 @@ const SensorsAnalogDialog = ({
         )}
         {editItem.s && (
           <Grid>
-            <Typography mt={1} color="warning.main" variant="body2">
+            <Typography sx={{ mt: 1 }} color="warning" variant="body2">
               <WarningIcon
                 fontSize="small"
                 sx={{ mr: 1, verticalAlign: 'middle' }}
@@ -511,7 +511,7 @@ const SensorsAnalogDialog = ({
       </DialogContent>
       <DialogActions>
         {!creating && (
-          <Box flexGrow={1} sx={{ '& button': { mt: 0 } }}>
+          <Box sx={{ flexGrow: 1, '& button': { mt: 0 } }}>
             <Button
               startIcon={<RemoveIcon />}
               disabled={editItem.s}

interface/src/app/main/SensorsTemperatureDialog.tsx

@@ -4,7 +4,6 @@ import CancelIcon from '@mui/icons-material/Cancel';
 import DoneIcon from '@mui/icons-material/Done';
 import WarningIcon from '@mui/icons-material/Warning';
 import {
-  Box,
   Button,
   Dialog,
   DialogActions,
@@ -111,11 +110,9 @@ const SensorsTemperatureDialog = ({
     <Dialog sx={dialogStyle} open={open} onClose={handleClose}>
       <DialogTitle>{dialogTitle}</DialogTitle>
       <DialogContent dividers>
-        <Box color="warning.main" mb={2}>
+        <Typography sx={{ mb: 2 }} color="warning" variant="body2">
-          <Typography variant="body2">
+          {LL.ID_OF(LL.SENSOR(0))}: {editItem.id}
-            {LL.ID_OF(LL.SENSOR(0))}: {editItem.id}
+        </Typography>
-          </Typography>
-        </Box>
         <Grid container spacing={2}>
           <Grid>
             <ValidatedTextField
@@ -142,7 +139,7 @@ const SensorsTemperatureDialog = ({
         </Grid>
         {editItem.s && (
           <Grid>
-            <Typography mt={1} color="warning.main" variant="body2">
+            <Typography sx={{ mt: 1 }} color="warning" variant="body2">
               <WarningIcon
                 fontSize="small"
                 sx={{ mr: 1, verticalAlign: 'middle' }}

interface/src/app/main/UserProfile.tsx

@@ -41,8 +41,12 @@ const UserProfileComponent = () => {
           />
         </ListItem>
       </List>
-      <Box mt={2} mb={2} display="flex" alignItems="center">
+      <Box sx={{ mt: 2, mb: 2, display: 'flex', alignItems: 'center' }}>
-        <Typography mr={2} variant="body1" align="center">
+        <Typography
+          sx={{ mr: 2, textAlign: 'center' }}
+          color="warning"
+          variant="body1"
+        >
           {LL.LANGUAGE()}:
         </Typography>
         <LanguageSelector />

interface/src/app/main/types.ts

@@ -43,16 +43,6 @@ 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/ApplicationSettings.tsx

@@ -28,7 +28,6 @@ import {
   FormLoader,
   MessageBox,
   SectionContent,
-  ValidatedPasswordField,
   ValidatedTextField,
   useLayoutTitle
 } from 'components';
@@ -352,156 +351,6 @@ 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"
-              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} 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>
-          </>
-        )}
         <Typography sx={{ pb: 1, pt: 2 }} variant="h6" color="primary">
           {LL.SENSORS()}
         </Typography>
@@ -922,7 +771,7 @@ const ApplicationSettings = () => {
           label={LL.REMOTE_TIMEOUT_EN()}
         />
         {data.remote_timeout_en && (
-          <Box mt={2}>
+          <Box sx={{ mt: 2 }}>
             <ValidatedTextField
               fieldErrors={fieldErrors || {}}
               name="remote_timeout"

interface/src/app/settings/DownloadUpload.tsx

@@ -1,12 +1,23 @@
 import { useCallback, useMemo, useState } from 'react';
 import { toast } from 'react-toastify';
 
+import CancelIcon from '@mui/icons-material/Cancel';
 import DownloadIcon from '@mui/icons-material/GetApp';
-import { Box, Button, Grid, Typography } from '@mui/material';
+import WarningIcon from '@mui/icons-material/Warning';
+import {
+  Button,
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogTitle,
+  Grid,
+  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';
@@ -19,15 +30,11 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import { saveFile } from 'utils';
 
-interface DownloadButton {
-  type: string;
-  label: string | number;
-  isGridButton: boolean;
-}
-
 const DownloadUpload = () => {
   const { LL } = useI18nContext();
 
+  const [confirmBackup, setConfirmBackup] = useState<boolean>(false);
+
   const [restarting, setRestarting] = useState<boolean>(false);
 
   const { send: sendExportData } = useRequest(
@@ -62,40 +69,44 @@ const DownloadUpload = () => {
 
   useLayoutTitle(LL.DOWNLOAD_UPLOAD());
 
-  const downloadButtons: DownloadButton[] = useMemo(
+  const handleCloseBackupDialog = useCallback(() => {
-    () => [
+    setConfirmBackup(false);
-      {
+  }, []);
-        type: 'settings',
+
-        label: LL.SETTINGS_OF(LL.APPLICATION()),
+  const renderBackupDialog = useMemo(
-        isGridButton: true
+    () => (
-      },
+      <Dialog
-      {
+        sx={dialogStyle}
-        type: 'customizations',
+        open={confirmBackup}
-        label: LL.CUSTOMIZATIONS(),
+        onClose={handleCloseBackupDialog}
-        isGridButton: true
+      >
-      },
+        <DialogTitle>{LL.DOWNLOAD_SYSTEM_BACKUP()}</DialogTitle>
-      {
+        <DialogContent dividers>
-        type: 'entities',
+          <WarningIcon color="warning" sx={{ fontSize: 18 }} />
-        label: LL.CUSTOM_ENTITIES(0),
+          &nbsp;
-        isGridButton: true
+          {LL.WARNING_SYSTEM_BACKUP()}
-      },
+        </DialogContent>
-      {
+        <DialogActions>
-        type: 'schedule',
+          <Button
-        label: LL.SCHEDULE(0),
+            startIcon={<CancelIcon />}
-        isGridButton: true
+            variant="outlined"
-      },
+            onClick={handleCloseBackupDialog}
-      {
+            color="secondary"
-        type: 'systembackup',
+          >
-        label: LL.DOWNLOAD_SYSTEM_BACKUP(),
+            {LL.CANCEL()}
-        isGridButton: true
+          </Button>
-      },
+          <Button
-      {
+            startIcon={<DownloadIcon />}
-        type: 'allvalues',
+            variant="outlined"
-        label: LL.ALLVALUES(),
+            onClick={() => handleDownload('systembackup')()}
-        isGridButton: false
+            color="primary"
-      }
+          >
-    ],
+            {LL.DOWNLOAD(0)}
-    [LL]
+          </Button>
+        </DialogActions>
+      </Dialog>
+    ),
+    [confirmBackup, handleCloseBackupDialog, LL]
   );
 
   const handleDownload = useCallback(
@@ -117,58 +128,57 @@ const DownloadUpload = () => {
     );
   }
 
-  const gridButtons = downloadButtons.filter((btn) => btn.isGridButton);
-  const standaloneButton = downloadButtons.find((btn) => !btn.isGridButton);
-
   return (
     <SectionContent>
+      {renderBackupDialog}
+
       <Typography sx={{ pb: 2 }} variant="h6" color="primary">
         {LL.DOWNLOAD(0)}
       </Typography>
 
-      <Typography mb={1} variant="body1" color="warning">
+      <Grid
-        {LL.DOWNLOAD_SETTINGS_TEXT()}.
+        container
-      </Typography>
+        spacing={2}
-
+        sx={{
-      <Grid container spacing={2}>
+          alignItems: 'center'
-        {gridButtons.map((button) => (
+        }}
-          <Grid key={button.type}>
+      >
-            <Button
+        <Typography variant="body1" color="warning">
-              startIcon={<DownloadIcon />}
+          {LL.DOWNLOAD_SETTINGS_TEXT()}:
-              variant="outlined"
+        </Typography>
-              color="primary"
-              onClick={handleDownload(button.type)}
-            >
-              {button.label}
-            </Button>
-          </Grid>
-        ))}
-      </Grid>
-
-      <Typography mt={2} mb={1} variant="body1" color="warning">
-        {LL.DOWNLOAD_SETTINGS_TEXT2()}.
-      </Typography>
-
-      {standaloneButton && (
         <Button
           startIcon={<DownloadIcon />}
           variant="outlined"
           color="primary"
-          onClick={handleDownload(standaloneButton.type)}
+          onClick={() => setConfirmBackup(true)}
         >
-          {standaloneButton.label}
+          {LL.DOWNLOAD_SYSTEM_BACKUP()}
         </Button>
-      )}
+      </Grid>
+
+      <Grid container spacing={2} sx={{ mt: 2, alignItems: 'center' }}>
+        <Typography variant="body1" color="warning">
+          {LL.DOWNLOAD_SETTINGS_TEXT2()}:
+        </Typography>
+        <Button
+          startIcon={<DownloadIcon />}
+          variant="outlined"
+          color="primary"
+          onClick={handleDownload('allvalues')}
+        >
+          {LL.ALLVALUES()}
+        </Button>
+      </Grid>
 
       <Typography sx={{ pt: 2, pb: 2 }} variant="h6" color="primary">
         {LL.UPLOAD()}
       </Typography>
 
-      <Box color="warning.main" sx={{ pb: 2 }}>
+      <Typography sx={{ pb: 2 }} color="warning" variant="body1">
-        <Typography variant="body1">{LL.UPLOAD_TEXT()}.</Typography>
+        {LL.UPLOAD_TEXT()}:
-      </Box>
+      </Typography>
 
-      <SingleUpload text={LL.UPLOAD_DRAG()} doRestart={doRestart} />
+      <SingleUpload doRestart={doRestart} />
     </SectionContent>
   );
 };

interface/src/app/settings/MqttSettings.tsx

@@ -129,7 +129,7 @@ const MqttSettings = () => {
     <SectionContent>
       {blocker ? <BlockNavigation blocker={blocker} /> : null}
       <>
-        <Box display="flex" gap={2} mb={1}>
+        <Box sx={{ display: 'flex', gap: 2, mb: 1 }}>
           <BlockFormControlLabel
             control={
               <Checkbox

interface/src/app/settings/NTPSettings.tsx

@@ -193,9 +193,9 @@ const NTPSettings = () => {
           {timeZoneItems}
         </ValidatedTextField>
 
-        <Box display="flex" flexWrap="wrap">
+        <Box sx={{ display: 'flex', flexWrap: 'wrap' }}>
           {!data.enabled && !dirtyFlags.length && (
-            <Box flexWrap="nowrap" whiteSpace="nowrap">
+            <Box sx={{ flexWrap: 'nowrap', whiteSpace: 'nowrap' }}>
               <ButtonRow>
                 <Button
                   onClick={openSetTime}
@@ -259,9 +259,9 @@ const NTPSettings = () => {
       <Dialog sx={dialogStyle} open={settingTime} onClose={handleCloseSetTime}>
         <DialogTitle>{LL.SET_TIME(1)}</DialogTitle>
         <DialogContent dividers>
-          <Box color="warning.main" p={0} pl={0} pr={0} mt={0} mb={2}>
+          <Typography color="warning" variant="body2">
-            <Typography variant="body2">{LL.SET_TIME_TEXT()}</Typography>
+            {LL.SET_TIME_TEXT()}
-          </Box>
+          </Typography>
           <TextField
             label={LL.LOCAL_TIME(0)}
             type="datetime-local"

interface/src/app/settings/Settings.tsx

@@ -156,11 +156,13 @@ const Settings = () => {
         <Divider />
 
         <Box
-          mt={2}
+          sx={{
-          display="flex"
+            mt: 2,
-          justifyContent="flex-end"
+            display: 'flex',
-          flexWrap="nowrap"
+            justifyContent: 'flex-end',
-          whiteSpace="nowrap"
+            flexWrap: 'nowrap',
+            whiteSpace: 'nowrap'
+          }}
         >
           <Button
             startIcon={<SettingsBackupRestoreIcon />}

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

@@ -54,19 +54,27 @@ const GenerateToken = ({ username, onClose }: GenerateTokenProps) => {
       <DialogContent dividers>
         {token ? (
           <>
-            <MessageBox message={LL.ACCESS_TOKEN_TEXT()} level="info" my={2} />
+            <MessageBox
-            <Box mt={2} mb={2}>
+              message={LL.ACCESS_TOKEN_TEXT()}
+              level="info"
+              sx={{ mt: 2, mb: 2 }}
+            />
+            <Box sx={{ mt: 2, mb: 2 }}>
               <TextField
                 label="Token"
                 multiline
                 value={token.token}
                 fullWidth
-                contentEditable={false}
+                slotProps={{
+                  input: {
+                    readOnly: true
+                  }
+                }}
               />
             </Box>
           </>
         ) : (
-          <Box m={4} textAlign="center">
+          <Box sx={{ m: 4, textAlign: 'center' }}>
             <LinearProgress />
             <Typography variant="h6">{LL.GENERATING_TOKEN()}&hellip;</Typography>
           </Box>

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

@@ -240,12 +240,16 @@ const ManageUsers = () => {
         </Table>
 
         {noAdminConfigured() && (
-          <MessageBox level="warning" message={LL.USER_WARNING()} my={2} />
+          <MessageBox
+            level="warning"
+            message={LL.USER_WARNING()}
+            sx={{ mt: 2, mb: 2 }}
+          />
         )}
 
-        <Box display="flex" flexWrap="wrap">
+        <Box sx={{ display: 'flex', flexWrap: 'wrap' }}>
           {changed !== 0 && (
-            <Box flexGrow={1} sx={{ '& button': { mt: 2 } }}>
+            <Box sx={{ flexGrow: 1, '& button': { mt: 2 } }}>
               <ButtonRow>
                 <Button
                   startIcon={<CancelIcon />}
@@ -270,7 +274,7 @@ const ManageUsers = () => {
               </ButtonRow>
             </Box>
           )}
-          <Box flexWrap="nowrap" whiteSpace="nowrap">
+          <Box sx={{ flexWrap: 'nowrap', whiteSpace: 'nowrap' }}>
             <ButtonRow>
               <Button
                 startIcon={<PersonAddIcon />}

interface/src/app/status/SystemLog.tsx

@@ -266,7 +266,7 @@ const SystemLog = () => {
 
     return (
       <>
-        <Grid container spacing={2} alignItems="center">
+        <Grid container spacing={2} sx={{ alignItems: 'center' }}>
           <Grid>
             <TextField
               name="level"

interface/src/app/status/SystemMonitor.tsx

@@ -118,17 +118,15 @@ const SystemMonitor = () => {
           p: 3
         }}
       >
-        <Box display="flex" alignItems="center" flexDirection="column">
+        <Box sx={{ display: 'flex', alignItems: 'center', flexDirection: 'column' }}>
           <img
             src="/app/icon.png"
             alt="EMS-ESP"
             style={{ width: '40px', height: '40px', marginBottom: '16px' }}
           />
           <Typography
-            color="secondary"
+            sx={{ color: 'secondary', fontWeight: 400, textAlign: 'center' }}
             variant="h6"
-            fontWeight={400}
-            textAlign="center"
           >
             {statusMessage}
           </Typography>
@@ -148,11 +146,14 @@ const SystemMonitor = () => {
             </MessageBox>
           ) : (
             <>
-              <Typography mt={2} variant="h6" fontWeight={400} textAlign="center">
+              <Typography
+                sx={{ mt: 2, fontWeight: 400, textAlign: 'center' }}
+                variant="h6"
+              >
                 {LL.PLEASE_WAIT()}&hellip;
               </Typography>
               {isUploading && (
-                <Box width="100%" pl={2} pr={2} py={2}>
+                <Box sx={{ width: '100%', pl: 2, pr: 2, py: 2 }}>
                   <LinearProgressWithLabel value={progressValue} />
                 </Box>
               )}

interface/src/app/status/Version.tsx

@@ -274,6 +274,8 @@ const InstallDialog = memo(
     fetchDevVersion,
     latestVersion,
     latestDevVersion,
+    upgradeImportantMessageType,
+    downloadOnly,
     platform,
     LL,
     onClose,
@@ -283,6 +285,8 @@ const InstallDialog = memo(
     fetchDevVersion: boolean;
     latestVersion?: VersionInfo;
     latestDevVersion?: VersionInfo;
+    upgradeImportantMessageType: number;
+    downloadOnly: boolean;
     platform: string;
     LL: TranslationFunctions;
     onClose: () => void;
@@ -305,12 +309,24 @@ const InstallDialog = memo(
           {`${LL.INSTALL()} ${fetchDevVersion ? LL.DEVELOPMENT() : LL.STABLE()} Firmware`}
         </DialogTitle>
         <DialogContent dividers>
-          <Typography mb={2}>
+          <Typography sx={{ mb: 2 }}>
             {LL.INSTALL_VERSION(
-              LL.INSTALL(),
+              downloadOnly ? LL.DOWNLOAD(1) : LL.INSTALL(),
               fetchDevVersion ? latestDevVersion?.name : latestVersion?.name
             )}
           </Typography>
+
+          {upgradeImportantMessageType === 1 && LL.UPGRADE_IMPORTANT_MESSAGES_1()}
+          {upgradeImportantMessageType === 2 && LL.UPGRADE_IMPORTANT_MESSAGES_2()}
+          <Typography sx={{ mt: 2 }}>
+            <Link
+              target="_blank"
+              to="https://docs.emsesp.org/FAQ#upgrading-the-firmware"
+              style={{ color: 'lightblue' }}
+            >
+              {LL.ONLINE_HELP()}
+            </Link>
+          </Typography>
         </DialogContent>
         <DialogActions>
           <Button
@@ -331,14 +347,16 @@ const InstallDialog = memo(
               {LL.DOWNLOAD(0)}
             </Link>
           </Button>
-          <Button
+          {!downloadOnly && (
-            startIcon={<WarningIcon color="warning" />}
+            <Button
-            variant="outlined"
+              startIcon={<WarningIcon color="warning" />}
-            onClick={() => onInstall(binURL)}
+              variant="outlined"
-            color="primary"
+              onClick={() => onInstall(binURL)}
-          >
+              color="primary"
-            {LL.INSTALL()}
+            >
-          </Button>
+              {LL.INSTALL()}
+            </Button>
+          )}
         </DialogActions>
       </Dialog>
     );
@@ -367,7 +385,9 @@ const InstallPartitionDialog = memo(
           {LL.INSTALL()} {LL.STORED_VERSIONS()}
         </DialogTitle>
         <DialogContent dividers>
-          <Typography mb={2}>{LL.INSTALL_VERSION(LL.INSTALL(), version)}</Typography>
+          <Typography sx={{ mb: 2 }}>
+            {LL.INSTALL_VERSION(LL.INSTALL(), version)}
+          </Typography>
         </DialogContent>
         <DialogActions>
           <Button
@@ -419,6 +439,7 @@ const Version = () => {
   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);
 
@@ -444,6 +465,9 @@ const Version = () => {
     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'));
   });
 
@@ -459,6 +483,26 @@ const Version = () => {
     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]);
 
@@ -524,10 +568,16 @@ const Version = () => {
     []
   );
 
-  const showFirmwareDialog = useCallback((useDevVersion: boolean) => {
+  const showFirmwareDialog = useCallback(
-    setFetchDevVersion(useDevVersion);
+    (useDevVersion: boolean) => {
-    setOpenInstallDialog(true);
+      setFetchDevVersion(useDevVersion);
-  }, []);
+      void checkUpgradeImportantMessages(
+        useDevVersion ? latestDevVersion?.name : latestVersion?.name
+      );
+      setOpenInstallDialog(true);
+    },
+    [latestDevVersion, latestVersion, fetchDevVersion]
+  );
 
   const closeInstallDialog = useCallback(() => {
     setOpenInstallDialog(false);
@@ -629,8 +679,8 @@ const Version = () => {
 
     return (
       <>
-        <Box p={2} border="1px solid grey" borderRadius={2}>
+        <Box sx={{ p: 2, border: '1px solid #565656', borderRadius: 2 }}>
-          <Typography mb={1} variant="h6" color="primary">
+          <Typography sx={{ mb: 1 }} variant="h6" color="primary">
             {LL.THIS_VERSION()}
           </Typography>
 
@@ -695,7 +745,7 @@ const Version = () => {
 
           {internetLive ? (
             <>
-              <Typography mt={4} mb={1} variant="h6" color="primary">
+              <Typography sx={{ mt: 4, mb: 1 }} variant="h6" color="primary">
                 {LL.AVAILABLE_VERSION()}
               </Typography>
 
@@ -717,7 +767,7 @@ const Version = () => {
                     </Grid>
                     <Grid size={{ xs: 8, md: 10 }}>
                       {otherPartitions.map((partition) => (
-                        <Typography key={partition.partition} mb={1}>
+                        <Typography key={partition.partition} sx={{ mb: 1 }}>
                           {partition.version}
                           <IconButton
                             onClick={() =>
@@ -783,7 +833,7 @@ const Version = () => {
               </Grid>
             </>
           ) : (
-            <Typography mt={2} color="warning">
+            <Typography sx={{ mt: 2 }} color="warning">
               <WarningIcon color="warning" sx={{ verticalAlign: 'middle', mr: 2 }} />
               {LL.INTERNET_CONNECTION_REQUIRED()}
             </Typography>
@@ -807,6 +857,8 @@ const Version = () => {
                 fetchDevVersion={fetchDevVersion}
                 latestVersion={latestVersion}
                 latestDevVersion={latestDevVersion}
+                upgradeImportantMessageType={upgradeImportantMessageType}
+                downloadOnly={downloadOnly}
                 platform={platform}
                 LL={LL}
                 onClose={closeInstallDialog}
@@ -823,7 +875,7 @@ const Version = () => {
               <Typography sx={{ pt: 2, pb: 2 }} variant="h6" color="primary">
                 {LL.UPLOAD()}
               </Typography>
-              <SingleUpload text={LL.UPLOAD_DROP_TEXT()} doRestart={doRestart} />
+              <SingleUpload doRestart={doRestart} />
             </>
           )}
         </Box>
@@ -842,6 +894,7 @@ const Version = () => {
     locale,
     openInstallDialog,
     fetchDevVersion,
+    downloadOnly,
     me.admin,
     showButtons,
     handleVersionInfoClose,

interface/src/components/MessageBox.tsx

@@ -53,12 +53,16 @@ const MessageBox: FC<PropsWithChildren<MessageBoxProps>> = ({
 
   return (
     <Box
-      p={2}
-      display="flex"
-      alignItems="center"
-      borderRadius={1}
-      sx={{ backgroundColor, color: 'white', ...sx }}
       {...rest}
+      sx={{
+        display: 'flex',
+        alignItems: 'center',
+        borderRadius: 1,
+        backgroundColor,
+        color: 'white',
+        p: 2,
+        ...sx
+      }}
     >
       <Icon />
       {(message || children) && (

interface/src/components/layout/LayoutDrawer.tsx

@@ -29,7 +29,7 @@ const LayoutDrawerComponent = ({ mobileOpen, onClose }: LayoutDrawerProps) => {
     () => (
       <>
         <Toolbar disableGutters>
-          <Box display="flex" alignItems="center" px={2}>
+          <Box sx={{ display: 'flex', alignItems: 'center', p: 2 }}>
             <LayoutDrawerLogo src="/app/icon.png" alt={PROJECT_NAME} />
             <Typography variant="h6">{PROJECT_NAME}</Typography>
           </Box>

interface/src/components/layout/LayoutMenu.tsx

@@ -51,9 +51,7 @@ const LayoutMenuComponent = () => {
               sx={{ my: 0 }}
               slotProps={{
                 primary: {
-                  fontWeight: '600',
+                  sx: { fontWeight: 600, mb: '2px', color: 'lightblue' }
-                  mb: '2px',
-                  color: 'lightblue'
                 }
               }}
             />

interface/src/components/loading/FormLoader.tsx

@@ -32,8 +32,16 @@ const FormLoaderComponent = ({ errorMessage, onRetry }: FormLoaderProps) => {
     );
   }
   return (
-    <Box m={2} py={2} display="flex" alignItems="center" flexDirection="column">
+    <Box
-      <Box py={2}>
+      sx={{
+        m: 2,
+        py: 2,
+        display: 'flex',
+        alignItems: 'center',
+        flexDirection: 'column'
+      }}
+    >
+      <Box sx={{ p: 2 }}>
         <CircularProgress size={100} />
       </Box>
     </Box>

interface/src/components/loading/LoadingSpinner.tsx

@@ -15,12 +15,14 @@ const circularProgressStyles: SxProps<Theme> = (theme: Theme) => ({
 const LoadingSpinner = ({ height = '100%' }: LoadingSpinnerProps) => {
   return (
     <Box
-      display="flex"
+      sx={{
-      alignItems="center"
+        display: 'flex',
-      justifyContent="center"
+        alignItems: 'center',
-      flexDirection="column"
+        justifyContent: 'center',
-      padding={2}
+        flexDirection: 'column',
-      height={height}
+        padding: 2,
+        height
+      }}
     >
       <CircularProgress sx={circularProgressStyles} size={100} />
     </Box>

interface/src/components/upload/DragNdrop.tsx

@@ -1,4 +1,4 @@
-// Code inspired by Prince Azubuike from https://medium.com/@dprincecoder/creating-a-drag-and-drop-file-upload-component-in-react-a-step-by-step-guide-4d93b6cc21e0
+// drag/drop code inspired by Prince Azubuike from https://medium.com/@dprincecoder/creating-a-drag-and-drop-file-upload-component-in-react-a-step-by-step-guide-4d93b6cc21e0
 import {
   type ChangeEvent,
   type DragEvent,
@@ -6,12 +6,28 @@ import {
   useRef,
   useState
 } from 'react';
+import { Link } from 'react-router';
+import { toast } from 'react-toastify';
 
 import CancelIcon from '@mui/icons-material/Cancel';
 import CloudUploadIcon from '@mui/icons-material/CloudUpload';
 import UploadIcon from '@mui/icons-material/Upload';
-import { Box, Button, Typography, styled } from '@mui/material';
+import WarningIcon from '@mui/icons-material/Warning';
+import {
+  Box,
+  Button,
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogTitle,
+  Typography,
+  styled
+} from '@mui/material';
 
+import { callAction } from 'api/app';
+
+import { dialogStyle } from '@/CustomTheme';
+import { useRequest } from 'alova/client';
 import { useI18nContext } from 'i18n/i18n-react';
 
 const DocumentUploader = styled(Box)<{ active?: boolean }>(({ theme, active }) => ({
@@ -58,6 +74,29 @@ const DragNdrop = ({ text, onFileSelected }: DragNdropProps) => {
   const [dragged, setDragged] = useState(false);
   const inputRef = useRef<HTMLInputElement | null>(null);
   const { LL } = useI18nContext();
+  const [showUpgradeDialog, setShowUpgradeDialog] = useState(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);
+      if (upgradeImportantMessageType_n === 0) {
+        onFileSelected(file);
+      }
+    })
+    .onError((error) => {
+      toast.error(String(error.error?.message || 'An error occurred'));
+    });
 
   const checkFileExtension = (file: File) => {
     const validExtensions = ['.json', '.bin', '.md5'];
@@ -97,9 +136,8 @@ const DragNdrop = ({ text, onFileSelected }: DragNdropProps) => {
 
   const handleUploadClick = (event: MouseEvent<HTMLButtonElement>) => {
     event.stopPropagation();
-    if (file) {
+    void checkUpgradeImportantMessages(file?.name || '');
-      onFileSelected(file);
+    setShowUpgradeDialog(true);
-    }
   };
 
   const handleBrowseClick = () => {
@@ -158,6 +196,55 @@ const DragNdrop = ({ text, onFileSelected }: DragNdropProps) => {
               {LL.UPLOAD()}
             </Button>
           </Box>
+          {showUpgradeDialog && upgradeImportantMessageType > 0 && (
+            <Dialog
+              sx={dialogStyle}
+              open={showUpgradeDialog}
+              onClose={() => setShowUpgradeDialog(false)}
+            >
+              <DialogTitle>
+                <WarningIcon
+                  color="warning"
+                  sx={{ fontSize: 18, verticalAlign: 'middle' }}
+                />
+                &nbsp;&nbsp;
+                {LL.UPGRADE_IMPORTANT_MESSAGES()}
+              </DialogTitle>
+              <DialogContent dividers>
+                {upgradeImportantMessageType === 1 &&
+                  LL.UPGRADE_IMPORTANT_MESSAGES_1()}
+                {upgradeImportantMessageType === 2 &&
+                  LL.UPGRADE_IMPORTANT_MESSAGES_2()}
+                <Typography sx={{ mt: 2 }}>
+                  <Link
+                    target="_blank"
+                    to="https://docs.emsesp.org/FAQ#upgrading-the-firmware"
+                    style={{ color: 'lightblue' }}
+                  >
+                    {LL.ONLINE_HELP()}
+                  </Link>
+                </Typography>
+              </DialogContent>
+              <DialogActions>
+                <Button
+                  startIcon={<CancelIcon />}
+                  variant="outlined"
+                  onClick={() => setShowUpgradeDialog(false)}
+                  color="secondary"
+                >
+                  {LL.CANCEL()}
+                </Button>
+                <Button
+                  startIcon={<UploadIcon />}
+                  variant="outlined"
+                  onClick={() => onFileSelected(file)}
+                  color="primary"
+                >
+                  {LL.UPLOAD()}
+                </Button>
+              </DialogActions>
+            </Dialog>
+          )}
         </>
       )}
     </DocumentUploader>

interface/src/components/upload/SingleUpload.tsx

@@ -13,11 +13,10 @@ import DragNdrop from './DragNdrop';
 import { LinearProgressWithLabel } from './LinearProgressWithLabel';
 
 interface SingleUploadProps {
-  text: string;
   doRestart: () => void;
 }
 
-const SingleUpload = ({ text, doRestart }: SingleUploadProps) => {
+const SingleUpload = ({ doRestart }: SingleUploadProps) => {
   const [md5, setMd5] = useState<string>();
   const [file, setFile] = useState<File>();
   const { LL } = useI18nContext();
@@ -58,7 +57,7 @@ const SingleUpload = ({ text, doRestart }: SingleUploadProps) => {
     <>
       {isUploading ? (
         <>
-          <Box width="100%" pl={2} pr={2}>
+          <Box sx={{ width: '100%', pl: 2, pr: 2 }}>
             <LinearProgressWithLabel
               value={
                 progress.total === 0 || progress.loaded === 0
@@ -81,11 +80,11 @@ const SingleUpload = ({ text, doRestart }: SingleUploadProps) => {
           </Button>
         </>
       ) : (
-        <DragNdrop text={text} onFileSelected={setFile} />
+        <DragNdrop text={LL.UPLOAD_DROP_TEXT()} onFileSelected={setFile} />
       )}
 
       {md5 && (
-        <Box mt={2}>
+        <Box sx={{ mt: 2 }}>
           <Typography variant="body2">{'MD5: ' + md5}</Typography>
         </Box>
       )}

interface/src/i18n/cz/index.ts

@@ -359,7 +359,12 @@ const cz: Translation = {
   NO_DATA: 'Žádná data',
   USER_PROFILE: 'Uživatelský profil',
   STORED_VERSIONS: 'Uložené verze',
-  ONLINE_HELP: 'online nápověda'
+  ONLINE_HELP: 'online nápověda',
+  UPGRADE_IMPORTANT_MESSAGES: 'Aktualizovat důležité zprávy',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Tato aktualizace vyžaduje obnovení továrního nastavení. Ujistěte se, že jste vytvořili zálohu své konfigurace a nastavení před pokračováním a nahrajte ji po instalaci nové verze.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Aktualizujete se na novou hlavní verzi. Ujistěte se, že jste přečetli ChangeLog pro jakékoliv závažné změny.',
+  WARNING_SYSTEM_BACKUP: 'Toto vytvoří zálohu vašich celých systémových konfigurací a nastavení. Všechna hesla budou v zálohovém souboru čitelná. Buďte opatrní při sdílení! Opravdu chcete pokračovat?'
+
 };
 
 export default cz;

interface/src/i18n/de/index.ts

@@ -359,7 +359,12 @@ const de: Translation = {
   NO_DATA: 'Keine Daten',
   USER_PROFILE: 'Benutzerprofil',
   STORED_VERSIONS: 'Gespeicherte Versionen',
-  ONLINE_HELP: 'Online-Hilfe'
+  ONLINE_HELP: 'Online-Hilfe',
+  UPGRADE_IMPORTANT_MESSAGES: 'Wichtige Nachrichten aktualisieren',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Diese Aktualisierung erfordert eine Werkseinstellung. Stellen Sie sicher, dass Sie eine Sicherung Ihrer Konfiguration und Einstellungen vor dem Fortfahren erstellt haben und diese nach der Installation der neuen Version hochladen.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Sie aktualisieren auf eine neue Hauptversion. Stellen Sie sicher, dass Sie den ChangeLog für alle wichtigen Änderungen gelesen haben.',
+  WARNING_SYSTEM_BACKUP: 'Dies wird eine Sicherung Ihrer vollständigen Systemkonfiguration und -einstellungen erstellen. Alle Passwörter werden im Sicherungsdatei lesbar sein. Seien Sie vorsichtig beim Teilen! Möchten Sie fortfahren?'
+
 };
 
 export default de;

interface/src/i18n/en/index.ts

@@ -359,7 +359,12 @@ const en: Translation = {
   NO_DATA: 'No data',
   USER_PROFILE: 'User Profile',
   STORED_VERSIONS: 'Stored Versions',
-  ONLINE_HELP: 'online help'
+  ONLINE_HELP: 'online help',
+  UPGRADE_IMPORTANT_MESSAGES: 'Upgrade Important Messages',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'This upgrade requires a factory reset. Make sure you have made a backup of your configuration and settings before continuing, and upload this after the new version is installed.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'You are upgrading to a new major version. Make sure you have read the ChangeLog for any breaking changes.',
+  WARNING_SYSTEM_BACKUP: 'This will create a backup of your full system configuration and settings. All passwords will be readable in the backup file. Be careful with sharing! Do you want to continue?'
+
 };
 
 export default en;

interface/src/i18n/fr/index.ts

@@ -359,7 +359,12 @@ const fr: Translation = {
   NO_DATA: 'Aucune donnée',
   USER_PROFILE: 'Profil utilisateur',
   STORED_VERSIONS: 'Versions stockées',
-  ONLINE_HELP: 'aide en ligne'
+  ONLINE_HELP: 'aide en ligne',
+  UPGRADE_IMPORTANT_MESSAGES: 'Mettre à jour les messages importants',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Cette mise à jour nécessite une réinitialisation de fabrique. Assurez-vous d\'avoir créé une sauvegarde de vos configurations et paramètres avant de continuer et de la charger après l\'installation de la nouvelle version.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Vous mettez à jour vers une nouvelle version majeure. Assurez-vous de lire le ChangeLog pour tout changement important.',
+  WARNING_SYSTEM_BACKUP: 'Cela créera une sauvegarde de votre configuration et paramètres complets. Tous les mots de passe seront lisibles dans le fichier de sauvegarde. Soyez prudent avec le partage ! Voulez-vous continuer ?'
+
 };
 
 export default fr;

interface/src/i18n/it/index.ts

@@ -359,7 +359,12 @@ const it: Translation = {
   NO_DATA: 'Nessun dato',
   USER_PROFILE: 'Profilo utente',
   STORED_VERSIONS: 'Versioni memorizzate',
-  ONLINE_HELP: 'aiuto online'
+  ONLINE_HELP: 'aiuto online',
+  UPGRADE_IMPORTANT_MESSAGES: 'Aggiorna Messaggi Importanti',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Questa aggiornamento richiede un ripristino di fabbrica. Assicurati di aver creato un backup delle tue configurazioni e impostazioni prima di continuare e di caricarlo dopo l\'installazione della nuova versione.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Stai aggiornando a una nuova versione principale. Assicurati di aver letto il ChangeLog per qualsiasi cambiamento importante.',
+  WARNING_SYSTEM_BACKUP: 'Questo creerà un backup delle tue configurazioni e impostazioni complete. Tutte le password saranno leggibili nel file di backup. Sei sicuro di voler continuare?'
+
 };
 
 export default it;

interface/src/i18n/nl/index.ts

@@ -359,7 +359,12 @@ const nl: Translation = {
   NO_DATA: 'Geen data',
   USER_PROFILE: 'Gebruikersprofiel',
   STORED_VERSIONS: 'Opgeslagen versies',
-  ONLINE_HELP: 'online help'
+  ONLINE_HELP: 'online help',
+  UPGRADE_IMPORTANT_MESSAGES: 'Upgrade Belangrijke Berichten',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Deze upgrade vereist een fabrieksinstelling. Zorg ervoor dat u een back-up van uw configuratie en instellingen hebt gemaakt voordat u doorgaat en upload deze na de installatie van de nieuwe versie.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'U updatet naar een nieuwe grote versie. Zorg ervoor dat u de ChangeLog hebt gelezen voor alle brekende wijzigingen.',
+  WARNING_SYSTEM_BACKUP: 'Dit zal een back-up van uw volledige systeemconfiguratie en instellingen maken. Alle wachtwoorden zijn leesbaar in het back-upbestand. Wees voorzichtig bij delen! Wilt u doorgaan?'
+
 };
 
 export default nl;

interface/src/i18n/no/index.ts

@@ -359,7 +359,12 @@ const no: Translation = {
   NO_DATA: 'Ingen data',
   USER_PROFILE: 'Brukerprofil',
   STORED_VERSIONS: 'Lagret versjoner',
-  ONLINE_HELP: 'online hjelp'
+  ONLINE_HELP: 'online hjelp',
+  UPGRADE_IMPORTANT_MESSAGES: 'Oppdater viktige meldinger',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Denne oppdateringen krever en fabriksinstilling. Sørg for at du har laget en sikkerhetskopi av din konfigurasjon og innstillinger før du fortsetter, og last denne opp etter at den nye versjonen er installert.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Du oppdaterer til en ny hovedversjon. Sørg for at du har lest ChangeLog for eventuelle bruddende endringer.',
+  WARNING_SYSTEM_BACKUP: 'Dette vil lage en sikkerhetskopi av din fullstendige systemkonfigurasjon og innstillinger. Alle passord vil være lesbare i sikkerhetskopien. Vær forsiktig med deling! Vil du fortsette?'
+
 };
 
 export default no;

interface/src/i18n/pl/index.ts

@@ -359,7 +359,12 @@ const pl: BaseTranslation = {
   NO_DATA: 'Brak danych',
   USER_PROFILE: 'Profil użytkownika',
   STORED_VERSIONS: 'Zapisane wersje',
-  ONLINE_HELP: 'pomoc online'
+  ONLINE_HELP: 'pomoc online',
+  UPGRADE_IMPORTANT_MESSAGES: 'Aktualizuj ważne wiadomości',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Ta aktualizacja wymaga resetu fabrycznego. Upewnij się, że masz utworzoną kopię swoich ustawień i konfiguracji przed kontynuowaniem i przesuń ją po zainstalowaniu nowej wersji.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Aktualizujesz się do nowej głównej wersji. Upewnij się, że przeczytałeś ChangeLog dla wszelkich istotnych zmian.',
+  WARNING_SYSTEM_BACKUP: 'To spowoduje utworzenie kopii zapasowej całej konfiguracji i ustawień systemu. Wszystkie hasła będą widoczne w pliku kopii zapasowej. Bądź ostrożny przy udostępnianiu! Chcesz kontynuować?'
+
 };
 
 export default pl;

interface/src/i18n/sk/index.ts

@@ -4,7 +4,7 @@ const sk: Translation = {
   LANGUAGE: 'Jazyk',
   RETRY: 'Opakovať',
   LOADING: 'Načítanie',
-  IS_REQUIRED: '{0} je požadovaných',
+  IS_REQUIRED: '{0} je požadovaná',
   SIGN_IN: 'Prihlásiť sa',
   SIGN_OUT: 'Odhlásiť sa',
   USERNAME: 'Užívateľské meno',
@@ -276,11 +276,11 @@ const sk: Translation = {
   NETWORK_SUBNET: 'Maska podsiete',
   NETWORK_DNS: 'DNS servery',
   ADDRESS_OF: '{0} adresa',
-  ADMINISTRATOR: 'Administrator',
+  ADMINISTRATOR: 'Administrátor',
   GUEST: 'Hosť',
-  NEW: 'Nová',
+  NEW: 'Novú',
   NEW_NAME_OF: 'Nový názov {0}',
-  ENTITY: 'entita',
+  ENTITY: 'entitu',
   MIN: 'min',
   MAX: 'max',
   BLOCK_NAVIGATE_1: 'Máte neuložené zmeny',
@@ -359,7 +359,12 @@ const sk: Translation = {
   NO_DATA: 'Žiadne dáta',
   USER_PROFILE: 'Profil používateľa',
   STORED_VERSIONS: 'Uložené verzie',
-  ONLINE_HELP: 'online pomoc'
+  ONLINE_HELP: 'online pomoc',
+  UPGRADE_IMPORTANT_MESSAGES: 'Aktualizovať dôležité správy',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Táto aktualizácia vyžaduje reštart základných nastavení. Uistite sa, že ste vytvorili zálohu svojich konfigurácií a nastavení pred pokračovaním a nahrajte ju po instalácii novej verzie.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Aktualizujete sa na novú hlavnú verziu. Uistite sa, že ste prečítali ChangeLog pre akékoľvek dôležité zmeny.',
+  WARNING_SYSTEM_BACKUP: 'Toto vytvorí zálohu všetkých vašich celých systémových konfigurácií a nastavení. Všetky hesla budú čitateľné v zálohovom súbore. Buďte opatrní pri zdieľaní! Chcete pokračovať?'
+
 };
 
 export default sk;

interface/src/i18n/sv/index.ts

@@ -359,7 +359,12 @@ const sv: Translation = {
   NO_DATA: 'Ingen data',
   USER_PROFILE: 'Användarprofil',
   STORED_VERSIONS: 'Lagrad versioner',
-  ONLINE_HELP: 'online hjälp'
+  ONLINE_HELP: 'online hjälp',
+  UPGRADE_IMPORTANT_MESSAGES: 'Uppdatera viktiga meddelanden',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Denna uppdatering kräver en fabriksåterställning. Se till att du har gjort en säkerhetskopia av din konfiguration och inställningar innan du fortsätter och ladda upp denna efter att den nya versionen är installerad.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Du uppdaterar till en ny huvudversion. Se till att du har läst ChangeLog för eventuella brkande ändringar.',
+  WARNING_SYSTEM_BACKUP: 'Detta kommer att skapa en säkerhetskopia av din fullständiga systemkonfiguration och inställningar. Alla lösenord kommer att vara läsbara i säkerhetskopien. Var försiktig med att dela! Vill du fortsätta?'
+
 };
 
 export default sv;

interface/src/i18n/tr/index.ts

@@ -359,7 +359,12 @@ const tr: Translation = {
   NO_DATA: 'Hiçbir veri yok',
   USER_PROFILE: 'Kullanıcı Profili',
   STORED_VERSIONS: 'Kaydedilmiş Sürümler',
-  ONLINE_HELP: 'online yardım'
+  ONLINE_HELP: 'online yardım',
+  UPGRADE_IMPORTANT_MESSAGES: 'Önemli Mesajları Güncelle',
+  UPGRADE_IMPORTANT_MESSAGES_1: 'Bu güncelleme továrnı ayarlarını gerektirir. Yapılandırmanızı ve ayarlarınızı önce yedekleyin ve ardından yeni sürüm yüklendikten sonra yükleyin.',
+  UPGRADE_IMPORTANT_MESSAGES_2: 'Yeni bir büyük sürüme yükselteceksiniz. Değişiklikleri ChangeLogı okuduğunuzdan emin olun.',
+  WARNING_SYSTEM_BACKUP: 'Bu, sistem yapılandırmanızı ve ayarlarınızın bir yedeklemesi oluşturacaktır. Tüm şifreler yedekleme dosyasında okunabilir olacaktır. Paylaşırken dikkatli olun! Devam etmek istediğinize emin misiniz?'
+
 };
 
 export default tr;

mock-api/package.json

@@ -13,7 +13,7 @@
     "@trivago/prettier-plugin-sort-imports": "^6.0.2",
     "formidable": "^3.5.4",
     "itty-router": "^5.0.23",
-    "prettier": "^3.8.1"
+    "prettier": "^3.8.3"
   },
   "packageManager": "pnpm@10.33.0+sha512.10568bb4a6afb58c9eb3630da90cc9516417abebd3fabbe6739f0ae795728da1491e9db5a544c76ad8eb7570f5c4bb3d6c637b2cb41bfdcdb47fa823c8649319"
 }

mock-api/pnpm-lock.yaml

@@ -13,7 +13,7 @@ importers:
         version: 3.1.3
       '@trivago/prettier-plugin-sort-imports':
         specifier: ^6.0.2
-        version: 6.0.2(prettier@3.8.1)
+        version: 6.0.2(prettier@3.8.3)
       formidable:
         specifier: ^3.5.4
         version: 3.5.4
@@ -21,8 +21,8 @@ importers:
         specifier: ^5.0.23
         version: 5.0.23
       prettier:
-        specifier: ^3.8.1
+        specifier: ^3.8.3
-        version: 3.8.1
+        version: 3.8.3
 
 packages:
 
@@ -112,8 +112,8 @@ packages:
   balanced-match@1.0.2:
     resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==}
 
-  brace-expansion@2.0.3:
+  brace-expansion@2.1.0:
-    resolution: {integrity: sha512-MCV/fYJEbqx68aE58kv2cA/kiky1G8vux3OR6/jbS+jIMe/6fJWa0DTzJU7dqijOWYwHi1t29FlfYI9uytqlpA==}
+    resolution: {integrity: sha512-TN1kCZAgdgweJhWWpgKYrQaMNHcDULHkWwQIspdtjV4Y5aurRdZpjAqn6yX3FPqTA9ngHCc4hJxMAMgGfve85w==}
 
   debug@4.4.3:
     resolution: {integrity: sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==}
@@ -145,8 +145,8 @@ packages:
     engines: {node: '>=6'}
     hasBin: true
 
-  lodash-es@4.17.23:
+  lodash-es@4.18.1:
-    resolution: {integrity: sha512-kVI48u3PZr38HdYz98UmfPnXl2DXrpdctLrFLCd3kOx1xUkOmpFPx7gCWWM5MPkL/fD8zb+Ph0QzjGFs4+hHWg==}
+    resolution: {integrity: sha512-J8xewKD/Gk22OZbhpOVSwcs60zhd95ESDwezOFuA3/099925PdHJ7OFHNTGtajL3AlZkykD32HykiMo+BIBI8A==}
 
   minimatch@9.0.9:
     resolution: {integrity: sha512-OBwBN9AL4dqmETlpS2zasx+vTeWclWzkblfZk7KTA5j3jeOONz/tRCnZomUyvNg83wL5Zv9Ss6HMJXAgL8R2Yg==}
@@ -167,8 +167,8 @@ packages:
   picocolors@1.1.1:
     resolution: {integrity: sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==}
 
-  prettier@3.8.1:
+  prettier@3.8.3:
-    resolution: {integrity: sha512-UOnG6LftzbdaHZcKoPFtOcCKztrQ57WkHDeRD9t/PTQtmT0NHSeWWepj6pS0z/N7+08BHFDQVUrfmfMRcZwbMg==}
+    resolution: {integrity: sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw==}
     engines: {node: '>=14'}
     hasBin: true
 
@@ -246,17 +246,17 @@ snapshots:
     dependencies:
       '@noble/hashes': 1.8.0
 
-  '@trivago/prettier-plugin-sort-imports@6.0.2(prettier@3.8.1)':
+  '@trivago/prettier-plugin-sort-imports@6.0.2(prettier@3.8.3)':
     dependencies:
       '@babel/generator': 7.29.1
       '@babel/parser': 7.29.2
       '@babel/traverse': 7.29.0
       '@babel/types': 7.29.0
       javascript-natural-sort: 0.7.1
-      lodash-es: 4.17.23
+      lodash-es: 4.18.1
       minimatch: 9.0.9
       parse-imports-exports: 0.2.4
-      prettier: 3.8.1
+      prettier: 3.8.3
     transitivePeerDependencies:
       - supports-color
 
@@ -264,7 +264,7 @@ snapshots:
 
   balanced-match@1.0.2: {}
 
-  brace-expansion@2.0.3:
+  brace-expansion@2.1.0:
     dependencies:
       balanced-match: 1.0.2
 
@@ -291,11 +291,11 @@ snapshots:
 
   jsesc@3.1.0: {}
 
-  lodash-es@4.17.23: {}
+  lodash-es@4.18.1: {}
 
   minimatch@9.0.9:
     dependencies:
-      brace-expansion: 2.0.3
+      brace-expansion: 2.1.0
 
   ms@2.1.3: {}
 
@@ -311,6 +311,6 @@ snapshots:
 
   picocolors@1.1.1: {}
 
-  prettier@3.8.1: {}
+  prettier@3.8.3: {}
 
   wrappy@1.0.2: {}

mock-api/restServer.ts

@@ -388,13 +388,34 @@ function custom_support() {
         '',
         "For help and questions please <a target='_blank' href='https://emsesp.org'>contact</a> your installer."
       ],
-      img_url: 'https://emsesp.org/_media/images/designer.png'
+      img_url: 'https://emsesp.org/media/images/designer.png'
       // img_url: 'https://picsum.photos/200/300'
     }
   };
 }
 
-// called by Action endpoint
+// called by Action endpoint upgradeImportantMessages
+function upgradeImportantMessages(version: string) {
+  // 0 is do nothing
+  // 1 means 3.9 and factory reset required
+  // 2 means a major version upgrade
+  let upgradeImportantMessageType_n = 0;
+
+  // see if its a filename with a .bin extension
+  if (version.endsWith('.bin')) {
+    upgradeImportantMessageType_n = 1; // 1 means 3.9 and factory reset required
+  } else if (version.endsWith('.md')) {
+    upgradeImportantMessageType_n = 0;
+  } else {
+    // this is a version string like "3.9.0"
+    upgradeImportantMessageType_n = 2;
+  }
+
+  console.log('upgradeImportantMessageType: ' + upgradeImportantMessageType_n);
+  return { upgradeImportantMessageType: upgradeImportantMessageType_n };
+}
+
+// called by Action endpoint checkUpgrade
 function check_upgrade(version: string) {
   let data = {};
   if (version) {
@@ -5170,6 +5191,9 @@ router
         // set partition
         console.log('setting partition to', content.param);
         return status(200);
+      } else if (action === 'upgradeImportantMessages') {
+        // check upgrade important messages
+        return upgradeImportantMessages(content.param);
       }
     }
     return status(404); // cmd not found

platformio.ini

@@ -59,7 +59,7 @@ framework = arduino
 board_build.partitions = partitions/esp32_partition_4M.csv
 board_upload.flash_size = 4MB
 board_build.app_partition_name = app0
-platform = https://github.com/tasmota/platform-espressif32/releases/download/2026.03.50/platform-espressif32.zip ; Tasmota Arduino Core 3.3.7 based on IDF 5.5.3.260313
+platform = https://github.com/tasmota/platform-espressif32/releases/download/2026.04.50/platform-espressif32.zip ; Platform 2026.04.50 Tasmota Arduino Core 3.3.8 based on IDF 5.5.4.260407
 
 ; 16MB Flash variants
 [espressif32_base_16M]
@@ -67,7 +67,7 @@ framework = arduino
 board_build.partitions = partitions/esp32_partition_16M.csv
 board_upload.flash_size = 16MB
 board_build.app_partition_name = app0
-platform = https://github.com/tasmota/platform-espressif32/releases/download/2026.03.50/platform-espressif32.zip ; Tasmota Arduino Core 3.3.7 based on IDF 5.5.3.260313
+platform = https://github.com/tasmota/platform-espressif32/releases/download/2026.04.50/platform-espressif32.zip ; Platform 2026.04.50 Tasmota Arduino Core 3.3.8 based on IDF 5.5.4.260407
 
 ; 32MB Flash variants
 [espressif32_base_32M]
@@ -75,7 +75,7 @@ framework = arduino
 board_build.partitions = partitions/esp32_partition_32M.csv
 board_upload.flash_size = 32MB
 board_build.app_partition_name = app0
-platform = https://github.com/tasmota/platform-espressif32/releases/download/2026.03.50/platform-espressif32.zip ; Tasmota Arduino Core 3.3.7 based on IDF 5.5.3.260313
+platform = https://github.com/tasmota/platform-espressif32/releases/download/2026.04.50/platform-espressif32.zip ; Platform 2026.04.50 Tasmota Arduino Core 3.3.8 based on IDF 5.5.4.260407
 
 [env]
 build_flags =

src/ESP32React/UploadFileService.cpp

@@ -184,7 +184,7 @@ void UploadFileService::handleError(AsyncWebServerRequest * request, int code) {
 }
 
 void UploadFileService::handleEarlyDisconnect() {
-    emsesp::EMSESP::logger().info("Upload completed");
+    emsesp::EMSESP::logger().info("Upload finished");
     emsesp::EMSESP::system_.uart_init(); // re-enable UART
 
     _is_firmware = false;

src/core/system.cpp

@@ -38,15 +38,6 @@
 #include "../test/test.h"
 #endif
 
-#ifndef NO_TLS_SUPPORT
-#define ENABLE_SMTP
-#define USE_ESP_SSLCLIENT
-#define READYCLIENT_SSL_CLIENT ESP_SSLClient
-#define READYCLIENT_TYPE_1 // TYPE 1 when using ESP_SSLClient
-#include <ESP_SSLClient.h>
-#include <ReadyMail.h>
-#endif
-
 namespace emsesp {
 
 // Languages supported. Note: the order is important
@@ -115,110 +106,6 @@ bool System::command_send(const char * value, const int8_t id) {
     return EMSESP::txservice_.send_raw(value); // ignore id
 }
 
-bool System::command_sendmail(const char * value, const int8_t id) {
-    bool     enabled = false;
-    bool     ssl, starttls;
-    uint16_t port;
-    String   server, login, pass, sender, recp, subject;
-    EMSESP::webSettingsService.read([&](WebSettings & settings) {
-        enabled  = settings.email_enabled;
-        ssl      = settings.email_ssl;
-        starttls = settings.email_starttls;
-        server   = settings.email_server;
-        port     = settings.email_port;
-        login    = settings.email_login;
-        pass     = settings.email_pass;
-        sender   = settings.email_sender;
-        recp     = settings.email_recp;
-        subject  = settings.email_subject;
-    });
-    if (!enabled) {
-        return false;
-    }
-    LOG_DEBUG("Command sendmail port %d%s called with '%s'", port, ssl ? " (SSL)" : starttls ? " (STARTTLS)" : "", value);
-    // LOG_DEBUG("Command sendmail port %d called with '%s'", port, value);
-    bool success = false;
-
-#ifndef NO_TLS_SUPPORT
-    WiFiClient *    basic_client;
-    ESP_SSLClient * ssl_client;
-    ReadyClient *   r_client; // rClient(ssl_client);
-    SMTPClient *    smtp;     // smtp(rClient);
-    basic_client = new WiFiClient;
-    ssl_client   = new ESP_SSLClient;
-    r_client     = new ReadyClient(*ssl_client);
-    smtp         = new SMTPClient(*r_client);
-
-    ssl_client->setClient(basic_client);
-    ssl_client->setInsecure();
-    ssl_client->setBufferSizes(1024, 1024);
-    r_client->addPort(port, starttls ? readymail_protocol_tls : ssl ? readymail_protocol_ssl : readymail_protocol_plain_text);
-
-    // smtp->connect(server, port, sendmailCallback);
-    smtp->connect(server, port);
-    if (!smtp->isConnected()) {
-        LOG_ERROR("Sendmail connection error");
-        delete smtp;
-        delete r_client;
-        delete ssl_client;
-        delete basic_client;
-        return false;
-    }
-
-    // LOG_INFO("authenticate %s:%s", login.c_str(), pass.c_str());
-    smtp->authenticate(login, pass, readymail_auth_password);
-    if (!smtp->isAuthenticated()) {
-        LOG_ERROR("Sendmail authenticate error");
-        delete smtp;
-        delete r_client;
-        delete ssl_client;
-        delete basic_client;
-        return false;
-    }
-    JsonDocument doc;
-    String       body = value;
-    if (body.length()) {
-        auto error = deserializeJson(doc, (const char *)value);
-        if (!error && doc.as<JsonObject>().size() >= 0) {
-            subject = doc["subject"] | subject;
-            recp    = doc["to"] | recp;
-            sender  = doc["from"] | sender;
-            body    = doc["body"] | body;
-        }
-    }
-
-    SMTPMessage & msg = smtp->getMessage();
-    msg.headers.add(rfc822_subject, subject);
-    msg.headers.add(rfc822_from, sender);
-    msg.headers.add(rfc822_to, recp);
-
-    // Use addCustom to add custom header e.g. Importance and Priority.
-    // msg.headers.addCustom("Importance", PRIORITY);
-    // msg.headers.addCustom("X-MSMail-Priority", PRIORITY);
-    // msg.headers.addCustom("X-Priority", PRIORITY_NUM);
-
-    msg.text.body(body);
-
-    // bodyText.replace("\r\n", "<br>\r\n");
-    // msg.html.body("<html><body><div style=\"color:#cc0066;\">" + bodyText + "</div></body></html>");
-    // msg.html.transferEncoding("base64");
-
-    // With embedFile function, the html message will send as attachment.
-    // if (EMBED_MESSAGE)
-    //    msg.html.embedFile(true, "msg.html", embed_message_type_attachment);
-
-    msg.timestamp = time(nullptr);
-
-    success = smtp->send(msg);
-
-    delete smtp;
-    delete r_client;
-    delete ssl_client;
-    delete basic_client;
-#endif
-    return success;
-}
-
 // return string of languages and count
 std::string System::languages_string() {
     std::string languages_string = std::to_string(NUM_LANGUAGES) + " languages (";
@@ -309,26 +196,26 @@ bool System::command_publish(const char * value, const int8_t id) {
 // syslog level
 // commenting this out - don't see the point on having an API service to change the syslog level
 /*
-bool System::command_syslog_level(const char * value, const int8_t id) {
+ bool System::command_syslog_level(const char * value, const int8_t id) {
-    uint8_t s = 0xff;
+     uint8_t s = 0xff;
-    if (Helpers::value2enum(value, s, FL_(list_syslog_level))) {
+     if (Helpers::value2enum(value, s, FL_(list_syslog_level))) {
-        bool changed = false;
+         bool changed = false;
-        EMSESP::webSettingsService.update(
+         EMSESP::webSettingsService.update(
-            [&](WebSettings & settings) {
+             [&](WebSettings & settings) {
-                if (settings.syslog_level != (int8_t)s - 1) {
+                 if (settings.syslog_level != (int8_t)s - 1) {
-                    settings.syslog_level = (int8_t)s - 1;
+                     settings.syslog_level = (int8_t)s - 1;
-                    changed               = true;
+                     changed               = true;
-                }
+                 }
-                return StateUpdateResult::CHANGED;
+                 return StateUpdateResult::CHANGED;
-            });
+             });
-        if (changed) {
+         if (changed) {
-            EMSESP::system_.syslog_init();
+             EMSESP::system_.syslog_init();
-        }
+         }
-        return true;
+         return true;
-    }
+     }
-    return false;
+     return false;
-}
+ }
-*/
+ */
 
 // send message - to system log and MQTT
 bool System::command_message(const char * value, const int8_t id, JsonObject output) {
@@ -576,6 +463,7 @@ void System::system_restart(const char * partitionname) {
 
     Mqtt::disconnect(); // gracefully disconnect MQTT, needed for QOS1
     EMSuart::stop();    // stop UART so there is no interference
+
 #ifndef EMSESP_STANDALONE
     delay(1000);   // wait 1 second
     ESP.restart(); // ka-boom! - this is the only place where the ESP32 restart is called
@@ -677,6 +565,7 @@ void System::store_settings(WebSettings & settings) {
 
     locale_         = settings.locale;
     developer_mode_ = settings.developer_mode;
+
     // start services
     if (settings.modbus_enabled) {
         if (EMSESP::modbus_ == nullptr) {
@@ -718,11 +607,20 @@ void System::start() {
     appfree_ = esp_ota_get_running_partition()->size / 1024 - appused_;
     refreshHeapMem(); // refresh free heap and max alloc heap
 #if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S2
+#if ESP_IDF_VERSION_MAJOR < 5
+    temp_sensor_config_t temp_sensor = TSENS_CONFIG_DEFAULT();
+    temp_sensor_get_config(&temp_sensor);
+    temp_sensor.dac_offset = TSENS_DAC_DEFAULT; // DEFAULT: range:-10℃ ~  80℃, error < 1℃.
+    temp_sensor_set_config(temp_sensor);
+    temp_sensor_start();
+    temp_sensor_read_celsius(&temperature_);
+#else
     temperature_sensor_config_t temp_sensor_config = TEMPERATURE_SENSOR_CONFIG_DEFAULT(-10, 80);
     temperature_sensor_install(&temp_sensor_config, &temperature_handle_);
     temperature_sensor_enable(temperature_handle_);
     temperature_sensor_get_celsius(temperature_handle_, &temperature_);
 #endif
+#endif
 #endif
 
     EMSESP::esp32React.getNetworkSettingsService()->read([&](NetworkSettings & networkSettings) {
@@ -924,14 +822,14 @@ void System::send_info_mqtt() {
         doc["network"]  = "ethernet";
         doc["hostname"] = ETH.getHostname();
         /*
-        doc["MAC"]             = ETH.macAddress();
+         doc["MAC"]             = ETH.macAddress();
-        doc["IPv4 address"]    = uuid::printable_to_string(ETH.localIP()) + "/" + uuid::printable_to_string(ETH.subnetMask());
+         doc["IPv4 address"]    = uuid::printable_to_string(ETH.localIP()) + "/" + uuid::printable_to_string(ETH.subnetMask());
-        doc["IPv4 gateway"]    = uuid::printable_to_string(ETH.gatewayIP());
+         doc["IPv4 gateway"]    = uuid::printable_to_string(ETH.gatewayIP());
-        doc["IPv4 nameserver"] = uuid::printable_to_string(ETH.dnsIP());
+         doc["IPv4 nameserver"] = uuid::printable_to_string(ETH.dnsIP());
-        if (ETH.localIPv6().toString() != "0000:0000:0000:0000:0000:0000:0000:0000" && ETH.localIPv6().toString() != "::") {
+         if (ETH.localIPv6().toString() != "0000:0000:0000:0000:0000:0000:0000:0000" && ETH.localIPv6().toString() != "::") {
-            doc["IPv6 address"] = uuid::printable_to_string(ETH.localIPv6());
+             doc["IPv6 address"] = uuid::printable_to_string(ETH.localIPv6());
-    }
+     }
-            */
+             */
 
     } else if (WiFi.status() == WL_CONNECTED) {
         doc["network"]         = "wifi";
@@ -943,9 +841,16 @@ void System::send_info_mqtt() {
         doc["IPv4 gateway"]    = uuid::printable_to_string(WiFi.gatewayIP());
         doc["IPv4 nameserver"] = uuid::printable_to_string(WiFi.dnsIP());
 
+#if ESP_IDF_VERSION_MAJOR < 5
+        if (WiFi.localIPv6().toString() != "0000:0000:0000:0000:0000:0000:0000:0000" && WiFi.localIPv6().toString() != "::") {
+            doc["IPv6 address"] = uuid::printable_to_string(WiFi.localIPv6());
+        }
+#else
         if (WiFi.linkLocalIPv6().toString() != "0000:0000:0000:0000:0000:0000:0000:0000" && WiFi.linkLocalIPv6().toString() != "::") {
             doc["IPv6 address"] = uuid::printable_to_string(WiFi.linkLocalIPv6());
         }
+
+#endif
     }
 #endif
     Mqtt::queue_publish_retain(F_(info), doc.as<JsonObject>()); // topic called "info" and it's Retained
@@ -1054,8 +959,13 @@ void System::network_init() {
         delay(500);
         digitalWrite(eth_power_, HIGH);
     }
+
+#if ESP_IDF_VERSION_MAJOR < 5
+    eth_present_ = ETH.begin(phy_addr, power, mdc, mdio, type, clock_mode);
+#else
     eth_present_ = ETH.begin(type, phy_addr, mdc, mdio, power, clock_mode);
 #endif
+#endif
 }
 
 // check health of system, done every 5 seconds
@@ -1066,9 +976,13 @@ void System::system_check() {
 
 #ifndef EMSESP_STANDALONE
 #if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S2
+#if ESP_IDF_VERSION_MAJOR < 5
+        temp_sensor_read_celsius(&temperature_);
+#else
         temperature_sensor_get_celsius(temperature_handle_, &temperature_);
 #endif
 #endif
+#endif
 
 #ifdef EMSESP_PINGTEST
         static uint64_t ping_count = 0;
@@ -1120,7 +1034,6 @@ void System::commands_init() {
     Command::add(EMSdevice::DeviceType::SYSTEM, F_(read), System::command_read, FL_(read_cmd), CommandFlag::ADMIN_ONLY);
     Command::add(EMSdevice::DeviceType::SYSTEM, F_(send), System::command_send, FL_(send_cmd), CommandFlag::ADMIN_ONLY);
     Command::add(EMSdevice::DeviceType::SYSTEM, F_(fetch), System::command_fetch, FL_(fetch_cmd), CommandFlag::ADMIN_ONLY);
-    Command::add(EMSdevice::DeviceType::SYSTEM, F_(sendmail), System::command_sendmail, FL_(sendmail_cmd), CommandFlag::ADMIN_ONLY);
     Command::add(EMSdevice::DeviceType::SYSTEM, F_(restart), System::command_restart, FL_(restart_cmd), CommandFlag::ADMIN_ONLY);
     Command::add(EMSdevice::DeviceType::SYSTEM, F_(format), System::command_format, FL_(format_cmd), CommandFlag::ADMIN_ONLY);
     Command::add(EMSdevice::DeviceType::SYSTEM, F_(txpause), System::command_txpause, FL_(txpause_cmd), CommandFlag::ADMIN_ONLY);
@@ -1362,9 +1275,16 @@ void System::show_system(uuid::console::Shell & shell) {
         shell.printfln(" IPv4 address: %s/%s", uuid::printable_to_string(WiFi.localIP()).c_str(), uuid::printable_to_string(WiFi.subnetMask()).c_str());
         shell.printfln(" IPv4 gateway: %s", uuid::printable_to_string(WiFi.gatewayIP()).c_str());
         shell.printfln(" IPv4 nameserver: %s", uuid::printable_to_string(WiFi.dnsIP()).c_str());
+#if ESP_IDF_VERSION_MAJOR < 5
+        if (WiFi.localIPv6().toString() != "0000:0000:0000:0000:0000:0000:0000:0000" && WiFi.localIPv6().toString() != "::") {
+            shell.printfln(" IPv6 address: %s", uuid::printable_to_string(WiFi.localIPv6()).c_str());
+        }
+#else
         if (WiFi.linkLocalIPv6().toString() != "0000:0000:0000:0000:0000:0000:0000:0000" && WiFi.linkLocalIPv6().toString() != "::") {
             shell.printfln(" IPv6 address: %s", uuid::printable_to_string(WiFi.linkLocalIPv6()).c_str());
         }
+#endif
+
         break;
 
     case WL_CONNECT_FAILED:
@@ -1395,9 +1315,15 @@ void System::show_system(uuid::console::Shell & shell) {
         shell.printfln(" IPv4 address: %s/%s", uuid::printable_to_string(ETH.localIP()).c_str(), uuid::printable_to_string(ETH.subnetMask()).c_str());
         shell.printfln(" IPv4 gateway: %s", uuid::printable_to_string(ETH.gatewayIP()).c_str());
         shell.printfln(" IPv4 nameserver: %s", uuid::printable_to_string(ETH.dnsIP()).c_str());
+#if ESP_IDF_VERSION_MAJOR < 5
+        if (ETH.localIPv6().toString() != "0000:0000:0000:0000:0000:0000:0000:0000" && ETH.localIPv6().toString() != "::") {
+            shell.printfln(" IPv6 address: %s", uuid::printable_to_string(ETH.localIPv6()).c_str());
+        }
+#else
         if (ETH.linkLocalIPv6().toString() != "0000:0000:0000:0000:0000:0000:0000:0000" && ETH.linkLocalIPv6().toString() != "::") {
             shell.printfln(" IPv6 address: %s", uuid::printable_to_string(ETH.linkLocalIPv6()).c_str());
         }
+#endif
     }
     shell.println();
 
@@ -1419,6 +1345,7 @@ void System::show_system(uuid::console::Shell & shell) {
     }
 
     shell.println();
+
 #endif
 }
 
@@ -1722,6 +1649,7 @@ bool System::check_upgrade() {
 }
 
 // map each config filename to its human-readable section key
+#ifndef EMSESP_STANDALONE
 static const std::pair<const char *, const char *> SECTION_MAP[] = {
     {NETWORK_SETTINGS_FILE, "Network"},
     {AP_SETTINGS_FILE, "AP"},
@@ -1734,6 +1662,7 @@ static const std::pair<const char *, const char *> SECTION_MAP[] = {
     {EMSESP_CUSTOMENTITY_FILE, "Entities"},
     {EMSESP_MODULES_FILE, "Modules"},
 };
+#endif
 
 // convert a single config file into a section of the output json object
 void System::exportSettings(const std::string & type, const char * filename, JsonObject output) {
@@ -1834,29 +1763,38 @@ void System::exportSystemBackup(JsonObject output) {
 
     const char *   nvs_part = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_NVS, "nvs1") ? "nvs1" : "nvs"; // nvs1 is on 16MBs
     nvs_iterator_t it       = nullptr;
-    esp_err_t      err      = nvs_entry_find(nvs_part, "ems-esp", NVS_TYPE_ANY, &it);
+#if ESP_IDF_VERSION_MAJOR < 5
+    it = nvs_entry_find(nvs_part, "ems-esp", NVS_TYPE_ANY);
+    if (it == nullptr) {
+#else
+    esp_err_t err = nvs_entry_find(nvs_part, "ems-esp", NVS_TYPE_ANY, &it);
     if (err != ESP_OK) {
+#endif
         LOG_ERROR("Failed to find NVS entry for %s", nvs_part);
         return;
     }
 
     JsonArray entries = node["nvs"].to<JsonArray>();
+#if ESP_IDF_VERSION_MAJOR < 5
+    while (it != nullptr) {
+        nvs_entry_info_t info;
+        nvs_entry_info(it, &info);
+#else
     while (err == ESP_OK) {
         nvs_entry_info_t info;
         nvs_entry_info(it, &info);
+#endif
         JsonObject entry = entries.add<JsonObject>();
-        entry["type"]    = info.type; // e.g. NVS_TYPE_U32 or NVS_TYPE_STR etc
+        entry["type"]    = info.type;
         entry["key"]     = info.key;
 
         LOG_DEBUG("Exporting NVS value: %s = %d", info.key, info.type);
 
-        // serialize based on the type. We use putString, putChar, putUChar, putDouble, putBool, putULong only
         switch (info.type) {
         case NVS_TYPE_I8:
             entry["value"] = EMSESP::nvs_.getChar(info.key);
             break;
         case NVS_TYPE_U8:
-            // also used for bool
             entry["value"] = EMSESP::nvs_.getUChar(info.key);
             break;
         case NVS_TYPE_I32:
@@ -1872,19 +1810,22 @@ void System::exportSystemBackup(JsonObject output) {
             entry["value"] = EMSESP::nvs_.getULong64(info.key);
             break;
         case NVS_TYPE_BLOB:
-            // used for double (e.g. sensor values, nrgheat, nrgww), and stored as bytes in NVS
+            entry["value"] = EMSESP::nvs_.getDouble(info.key); // bytes used for double values
-            entry["value"] = EMSESP::nvs_.getDouble(info.key);
             break;
         case NVS_TYPE_STR:
         case NVS_TYPE_ANY:
         default:
-            // any other value we store as a string
             entry["value"] = EMSESP::nvs_.getString(info.key);
             break;
         }
 
+#if ESP_IDF_VERSION_MAJOR < 5
+        it = nvs_entry_next(it);
+    }
+#else
         err = nvs_entry_next(&it);
     }
+#endif
 
     if (it != nullptr) {
         nvs_release_iterator(it);
@@ -2686,12 +2627,12 @@ bool System::command_info(const char * value, const int8_t id, JsonObject output
         node["maxWebLogBuffer"] = settings.weblog_buffer;
 
         /*
-#if defined(EMSESP_UNITY)
+ #if defined(EMSESP_UNITY)
-        node["webLogBuffer"] = 0;
+         node["webLogBuffer"] = 0;
-#else
+ #else
-        node["webLogBuffer"] = EMSESP::webLogService.num_log_messages();
+         node["webLogBuffer"] = EMSESP::webLogService.num_log_messages();
-#endif
+ #endif
-*/
+ */
         node["modbusEnabled"]   = settings.modbus_enabled;
         node["forceHeatingOff"] = settings.boiler_heatingoff;
         node["developerMode"]   = settings.developer_mode;
@@ -3319,7 +3260,7 @@ void System::set_valid_system_gpios() {
     valid_system_gpios_ = string_range_to_vector("0-21", "2, 8, 12-17, 18-19");
 
 #elif CONFIG_IDF_TARGET_ESP32S2
-    // https://docs.espressif.com/projects/esp-idf/en/stable/esp32s2/api-reference/peripherals/gpio.html
+        // https://docs.espressif.com/projects/esp-idf/en/stable/esp32s2/api-reference/peripherals/gpio.html
     // excluded:
     // GPIO26 - GPIO32 = SPI flash and PSRAM
     // GPIO45 - GPIO46 = strapping pins
@@ -3332,7 +3273,7 @@ void System::set_valid_system_gpios() {
     valid_system_gpios_ = string_range_to_vector("0-46", "19, 20, 26-32, 45-46, 39-42, 22-25");
 
 #elif CONFIG_IDF_TARGET_ESP32S3
-    // https://docs.espressif.com/projects/esp-idf/en/stable/esp32s3/api-reference/peripherals/gpio.html
+        // https://docs.espressif.com/projects/esp-idf/en/stable/esp32s3/api-reference/peripherals/gpio.html
     // excluded:
     // GPIO3, GPIO45 - GPIO46 = strapping pins
     // GPIO26 - GPIO32 = SPI flash and PSRAM and not recommended
@@ -3351,7 +3292,7 @@ void System::set_valid_system_gpios() {
     }
 
 #elif CONFIG_IDF_TARGET_ESP32
-    // https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/peripherals/gpio.html
+        // https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/peripherals/gpio.html
     // excluded:
     // GPIO6 - GPIO11, GPIO16 - GPIO17 = used for SPI flash and PSRAM (dio mode only GPIO06-GPIO08, GPIO11)
     // GPIO20, GPIO24, GPIO28 - GPIO31 = don't exist
@@ -3382,10 +3323,6 @@ void System::set_valid_system_gpios() {
     } else {
         valid_system_gpios_ = string_range_to_vector("0-39", "6-11, 20, 24, 28-31");
     }
-#elif CONFIG_IDF_TARGET_ESP32C6
-    // https://docs.espressif.com/projects/esp-idf/en/v5.5.3/esp32c6/api-reference/peripherals/gpio.html
-    // 24-30 used for flash, 12-13 USB, 16-17 uart0
-    valid_system_gpios_ = string_range_to_vector("0-30", "12-13, 16-17, 24-30");
 #elif defined(EMSESP_STANDALONE)
     valid_system_gpios_ = string_range_to_vector("0-39");
 #endif

src/emsesp_version.h

@@ -1 +1 @@
-#define EMSESP_APP_VERSION "3.8.2-dev.C14"
+#define EMSESP_APP_VERSION "3.8.2-dev.C13"

src/web/WebSettingsService.cpp

@@ -83,20 +83,6 @@ void WebSettings::read(WebSettings & settings, JsonObject root) {
     root["modbus_max_clients"]    = settings.modbus_max_clients;
     root["modbus_timeout"]        = settings.modbus_timeout;
     root["developer_mode"]        = settings.developer_mode;
-#ifndef NO_TLS_SUPPORT
-    root["email_enabled"]         = settings.email_enabled;
-#else
-    root["email_enabled"]         = false;
-#endif
-    root["email_ssl"]      = settings.email_ssl;
-    root["email_starttls"] = settings.email_starttls;
-    root["email_server"]   = settings.email_server;
-    root["email_port"]     = settings.email_port;
-    root["email_login"]    = settings.email_login;
-    root["email_pass"]     = settings.email_pass;
-    root["email_sender"]   = settings.email_sender;
-    root["email_recp"]     = settings.email_recp;
-    root["email_subject"]  = settings.email_subject;
 }
 
 // call on initialization and also when settings are updated/saved via web or console
@@ -257,9 +243,13 @@ StateUpdateResult WebSettings::update(JsonObject root, WebSettings & settings) {
 
     // Modbus settings
     settings.modbus_enabled = root["modbus_enabled"] | EMSESP_DEFAULT_MODBUS_ENABLED;
+    check_flag(original_settings.modbus_enabled, settings.modbus_enabled, ChangeFlags::RESTART);
     settings.modbus_port = root["modbus_port"] | EMSESP_DEFAULT_MODBUS_PORT;
+    check_flag(original_settings.modbus_port, settings.modbus_port, ChangeFlags::RESTART);
     settings.modbus_max_clients = root["modbus_max_clients"] | EMSESP_DEFAULT_MODBUS_MAX_CLIENTS;
+    check_flag(original_settings.modbus_max_clients, settings.modbus_max_clients, ChangeFlags::RESTART);
     settings.modbus_timeout = root["modbus_timeout"] | EMSESP_DEFAULT_MODBUS_TIMEOUT;
+    check_flag(original_settings.modbus_timeout, settings.modbus_timeout, ChangeFlags::RESTART);
 
     //
     // these may need mqtt restart to rebuild HA discovery topics
@@ -310,20 +300,6 @@ StateUpdateResult WebSettings::update(JsonObject root, WebSettings & settings) {
     settings.weblog_level   = root["weblog_level"] | EMSESP_DEFAULT_WEBLOG_LEVEL;
     settings.weblog_compact = root["weblog_compact"] | EMSESP_DEFAULT_WEBLOG_COMPACT;
 
-    settings.email_enabled  = root["email_enabled"] | FACTORY_EMAIL_ENABLE;
-    settings.email_ssl      = root["email_ssl"] | FACTORY_EMAIL_SSL;
-    settings.email_starttls = root["email_starttls"] | FACTORY_EMAIL_STARTTLS;
-    settings.email_server   = root["email_server"] | FACTORY_EMAIL_SERVER;
-    settings.email_port     = root["email_port"] | FACTORY_EMAIL_PORT;
-    settings.email_login    = root["email_login"] | FACTORY_EMAIL_LOGIN;
-    settings.email_pass     = root["email_pass"] | FACTORY_EMAIL_PASSWORD;
-    settings.email_sender   = root["email_sender"] | FACTORY_EMAIL_FROM;
-    settings.email_recp     = root["email_recp"] | FACTORY_EMAIL_TO;
-    settings.email_subject  = root["email_subject"] | FACTORY_EMAIL_SUBJECT;
-
-    if (settings.email_ssl && settings.email_starttls) {
-        settings.email_ssl = false;
-    }
     // if no psram limit weblog buffer to 25 messages
     if (EMSESP::system_.PSram() > 0) {
         settings.weblog_buffer = root["weblog_buffer"] | EMSESP_DEFAULT_WEBLOG_BUFFER;
@@ -482,14 +458,23 @@ void WebSettings::set_board_profile(WebSettings & settings) {
 #if CONFIG_IDF_TARGET_ESP32
         // check for no PSRAM, could be a E32 or S32?
         if (!ESP.getPsramSize()) {
+#if ESP_ARDUINO_VERSION_MAJOR < 3
+            if (ETH.begin(1, 16, 23, 18, ETH_PHY_LAN8720, ETH_CLOCK_GPIO0_IN)) {
+#else
             if (ETH.begin(ETH_PHY_LAN8720, 1, 23, 18, 16, ETH_CLOCK_GPIO0_IN)) {
+#endif
                 settings.board_profile = "E32"; // Ethernet without PSRAM
             } else {
                 settings.board_profile = "S32"; // ESP32 standard WiFi without PSRAM
             }
         } else {
-            // check for boards with PSRAM, could be a E32V2 otherwise default back to the S32
+// check for boards with PSRAM, could be a E32V2 otherwise default back to the S32
+#if ESP_ARDUINO_VERSION_MAJOR < 3
+            if (ETH.begin(0, 15, 23, 18, ETH_PHY_LAN8720, ETH_CLOCK_GPIO0_OUT)) {
+#else
             if (ETH.begin(ETH_PHY_LAN8720, 0, 23, 18, 15, ETH_CLOCK_GPIO0_OUT)) {
+#endif
+
                 if (analogReadMilliVolts(39) > 700) {   // core voltage > 2.6V
                     settings.board_profile = "E32V2_2"; // Ethernet, PSRAM, internal sensors
                 } else {
@@ -517,9 +502,9 @@ void WebSettings::set_board_profile(WebSettings & settings) {
 #ifndef EMSESP_STANDALONE
     uint32_t psram_size = ESP.getPsramSize() / 1024; // in KB
     if (psram_size > 0) {
-        EMSESP::logger().info("Loaded board profile %s, PSRAM: %lu KB", settings.board_profile.c_str(), psram_size);
+        EMSESP::logger().info("Loaded board profile %s (PSRAM: %lu KB)", settings.board_profile.c_str(), psram_size);
     } else {
-        EMSESP::logger().info("Loaded board profile %s, PSRAM: not available", settings.board_profile.c_str());
+        EMSESP::logger().info("Loaded board profile %s (PSRAM: not available)", settings.board_profile.c_str());
     }
 #endif
 

src/web/WebStatusService.cpp

@@ -216,6 +216,9 @@ void WebStatusService::action(AsyncWebServerRequest * request, JsonVariant json)
     } else if (action == "resetMQTT" && is_admin) {
         EMSESP::mqtt_.reset_mqtt();
         ok = true;
+    } else if (action == "upgradeImportantMessages") {
+        root["upgradeImportantMessageType"] = upgradeImportantMessages(param);
+        ok                                  = true;
     }
 
 #if defined(EMSESP_STANDALONE) && !defined(EMSESP_UNITY)
@@ -237,13 +240,75 @@ void WebStatusService::action(AsyncWebServerRequest * request, JsonVariant json)
     request->send(response);
 }
 
+// action = upgradeImportantMessages
+// returns the type of upgrade important message to display in the UI
+// 0 = no message (if just a minor version upgrade)
+// 1 = going from <= 3.8 to 3.9 (has new partition layout)
+// 2 = major version upgrade
+// version can be like 3.8.2 or a filename like EMS-ESP-3_8_2-dev_13-ESP32-16MB+.bin
+uint8_t WebStatusService::upgradeImportantMessages(std::string & version) {
+    if (version.empty()) {
+        return 0;
+    }
+
+    // it's a filename with a .bin or .md extension, try and extract the version from it
+    // e.g. EMS-ESP-3_8_2-dev_13-ESP32-16MB+.bin -> major=3 minor=8 patch=2
+    version::Semver200_version latest_version;
+    if ((version.find(".bin") != std::string::npos) || (version.find(".md") != std::string::npos)) {
+        std::string filename = version;
+        auto        pos      = filename.find("EMS-ESP-");
+        if (pos == std::string::npos) {
+            EMSESP::logger().err("Invalid version string: %s", version.c_str());
+            return 0;
+        }
+
+        pos += 8; // skip past "EMS-ESP-"
+        auto underscore1 = filename.find('_', pos);
+        auto underscore2 = filename.find('_', underscore1 + 1);
+        auto dash        = filename.find('-', underscore2 + 1);
+        if (underscore1 == std::string::npos || underscore2 == std::string::npos || dash == std::string::npos) {
+            EMSESP::logger().err("Invalid version string: %s", version.c_str());
+            return 0;
+        }
+
+        std::string major_version = filename.substr(pos, underscore1 - pos);
+        std::string minor_version = filename.substr(underscore1 + 1, underscore2 - underscore1 - 1);
+        std::string patch_version = filename.substr(underscore2 + 1, dash - underscore2 - 1);
+        latest_version            = version::Semver200_version(major_version + "." + minor_version + "." + patch_version);
+    } else {
+        // if it's .json file exit
+        if (version.find(".json") != std::string::npos) {
+            return 0;
+        } else {
+            // treat it like a version string like "3.9.0"
+            latest_version = version::Semver200_version(version);
+        }
+    }
+
+    version::Semver200_version current_version(current_version_s); // get current version
+
+    if (latest_version > current_version && current_version.minor() < latest_version.minor()) {
+        return 0; // if it's just a minor version upgrade return 0
+    }
+
+    if ((current_version.major() <= 3 && current_version.minor() <= 8) && (latest_version.major() == 3 && latest_version.minor() == 9)) {
+        return 1; // if moving from below 3.8.x to 3.9.x return 1
+    }
+
+    if (latest_version > current_version && current_version.major() < latest_version.major()) {
+        return 2; // if it's a major version upgrade return 2
+    }
+
+    return 0; // if it's not a valid version upgrade return 0
+}
+
 // action = checkUpgrade
 // versions holds the latest development version and stable version in one string, comma separated
-bool WebStatusService::checkUpgrade(JsonObject root, std::string & versions) {
+bool WebStatusService::checkUpgrade(JsonObject root, std::string & version) {
-    if (!versions.empty()) {
+    if (!version.empty()) {
         version::Semver200_version current_version(current_version_s);
-        version::Semver200_version latest_dev_version(versions.substr(0, versions.find(',')));
+        version::Semver200_version latest_dev_version(version.substr(0, version.find(',')));
-        version::Semver200_version latest_stable_version(versions.substr(versions.find(',') + 1));
+        version::Semver200_version latest_stable_version(version.substr(version.find(',') + 1));
 
         bool dev_upgradeable    = latest_dev_version > current_version;
         bool stable_upgradeable = latest_stable_version > current_version;
@@ -342,7 +407,7 @@ bool WebStatusService::getCustomSupport(JsonObject root) {
 
 #if defined(EMSESP_STANDALONE)
     // dummy test data for "test api3"
-    deserializeJson(doc, "{\"type\":\"customSupport\",\"Support\":{\"html\":[\"html code\",\"here\"], \"img_url\": \"https://emsesp.org/_media/images/designer.png\"}");
+    deserializeJson(doc, "{\"type\":\"customSupport\",\"Support\":{\"html\":[\"html code\",\"here\"], \"img_url\": \"https://emsesp.org/media/images/designer.png\"}");
 #else
     // check if we have custom support file uploaded
     File file = LittleFS.open(EMSESP_CUSTOMSUPPORT_FILE, "r");

src/web/WebStatusService.h

@@ -30,12 +30,13 @@ class WebStatusService {
     SecurityManager * _securityManager;
 
     // actions
-    bool checkUpgrade(JsonObject root, std::string & latest_version);
+    bool    checkUpgrade(JsonObject root, std::string & latest_version);
-    bool exportData(JsonObject root, std::string & type);
+    bool    exportData(JsonObject root, std::string & type);
-    bool getCustomSupport(JsonObject root);
+    bool    getCustomSupport(JsonObject root);
-    bool uploadURL(const char * url);
+    bool    uploadURL(const char * url);
-    bool setSystemStatus(const char * status);
+    bool    setSystemStatus(const char * status);
-    void allvalues(JsonObject output);
+    void    allvalues(JsonObject output);
+    uint8_t upgradeImportantMessages(std::string & version);
 
     std::string current_version_s = EMSESP_APP_VERSION;
 };

test/test_data/custom_support.json

@@ -13,6 +13,6 @@
       "",
       "For help and questions please <a target='_blank' href='https://emsesp.org'>contact</a> your installer."
     ],
-      "img_url": "https://emsesp.org/_media/images/designer.png"
+      "img_url": "https://emsesp.org/media/images/designer.png"
     }
 }

test/test_data/emsesp_allvalues.json

@@ -0,0 +1,103 @@
+{
+  "Boiler Nefit Trendline HRC30 (DeviceID:0x08, ProductID:123, Version:06.01)": {
+    "force heating off": "off",
+    "heating active": "off",
+    "tapwater active": "off",
+    "selected flow temperature": 5,
+    "heating pump modulation": 0,
+    "current flow temperature": 41.4,
+    "return temperature": 37.7,
+    "system pressure": 1.3,
+    "actual boiler temperature": 44.2,
+    "gas": "off",
+    "gas stage 2": "off",
+    "flame current": 0,
+    "fan": "off",
+    "ignition": "off",
+    "oil preheating": "off",
+    "burner min power": 0,
+    "burner max power": 50,
+    "burner min period": 10,
+    "hysteresis on temperature": -6,
+    "hysteresis off temperature": 6,
+    "heating activated": "on",
+    "heating temperature": 70,
+    "heating pump": "off",
+    "boiler pump max power": 70,
+    "boiler pump min power": 50,
+    "boiler pump mode": "proportional",
+    "pump delay": 2,
+    "burner selected max power": 0,
+    "burner current power": 0,
+    "burner starts": 394602,
+    "total burner operating time": "480 days 4 hours 23 minutes",
+    "burner stage 2 operating time": "0 days 0 hours 0 minutes",
+    "total heat operating time": "395 days 2 hours 14 minutes",
+    "burner starts heating": 46245,
+    "total UBA operating time": "3932 days 23 hours 58 minutes",
+    "last error code": "2E(207) 100.75.2000 65:00 (0 min)",
+    "service code": "0H",
+    "service code number": 203,
+    "maintenance message": "H00",
+    "maintenance scheduled": "manual",
+    "time to next maintenance": 6000,
+    "next maintenance date": "01.01.2012",
+    "dhw turn on/off": "on",
+    "dhw set temperature": 62,
+    "dhw selected temperature": 60,
+    "dhw type": "flow",
+    "dhw comfort": "hot",
+    "dhw flow temperature offset": 40,
+    "dhw max power": 100,
+    "dhw circulation pump available": "off",
+    "dhw charging type": "3-way valve",
+    "dhw hysteresis on temperature": -5,
+    "dhw hysteresis off temperature": 0,
+    "dhw disinfection temperature": 70,
+    "dhw circulation pump mode": "off",
+    "dhw circulation active": "off",
+    "dhw current intern temperature": 33.5,
+    "dhw current tap water flow": 0,
+    "dhw storage intern temperature": 33.5,
+    "dhw activated": "on",
+    "dhw one time charging": "off",
+    "dhw disinfecting": "off",
+    "dhw charging": "off",
+    "dhw recharging": "off",
+    "dhw temperature ok": "on",
+    "dhw active": "off",
+    "dhw 3-way valve active": "on",
+    "dhw set pump power": 0,
+    "dhw starts": 348357,
+    "dhw active time": "85 days 2 hours 9 minutes",
+    "nominal Power": 30,
+    "total energy": 3088.69,
+    "energy heating": 2532.94,
+    "dhw energy": 555.75
+  },
+  "Thermostat RC20 (DeviceID:0x17, ProductID:77, Version:03.03)": {
+    "date/time": "10.12.2023 13:49",
+    "hc1 how hot lounge should be": 19,
+    "hc1 current room temp": 19.5,
+    "hc1 mqtt discovery current room temperature": "roomTemp",
+    "hc1 mode": "auto",
+    "hc1 manual temperature": 21.5,
+    "hc1 temperature when mode is off": 7,
+    "hc1 day temperature T2": 20,
+    "hc1 day temperature T3": 20,
+    "hc1 day temperature T4": 20,
+    "hc1 night temperature T1": 15,
+    "hc1 program switchtime": "00 mo 00:00 T1"
+  },
+  "Controller Module BC10 (DeviceID:0x09, ProductID:190, Version:01.03)": {},
+  "Custom Entities": {
+    "boiler_flowtemp": 5,
+    "nominalpower": 30,
+    "minmodulation": 23,
+    "maxmodulation": 115
+  },
+  "Analog Sensors": {},
+  "Temperature Sensors": {
+    "zolder": 18.3
+  }
+}

test/test_data/emsesp_customizations.json

@@ -0,0 +1,37 @@
+{
+  "type": "customizations",
+  "Customizations": {
+    "ts": [],
+    "as": [],
+    "masked_entities": [
+      {
+        "product_id": 77,
+        "device_id": 23,
+        "custom_name": "",
+        "custom_brand": "",
+        "entity_ids": [
+          "08datetime",
+          "08hc1/seltemp|<30",
+          "08hc1/currtemp",
+          "08hc1/mode"
+        ]
+      },
+      {
+        "product_id": 123,
+        "device_id": 8,
+        "custom_name": "",
+        "custom_brand": "",
+        "entity_ids": [
+          "08heatingactive",
+          "08burngas",
+          "08fanwork",
+          "08ignwork",
+          "08burnmaxpower|>23<121",
+          "08burnminperiod|<120",
+          "08lastcode",
+          "08servicecode"
+        ]
+      }
+    ]
+  }
+}

test/test_data/emsesp_entities.json

@@ -0,0 +1,6 @@
+{
+  "type": "entities",
+  "Entities": {
+    "entities": []
+  }
+}

test/test_data/emsesp_schedule.json

@@ -0,0 +1,6 @@
+{
+  "type": "schedule",
+  "Schedule": {
+    "schedule": []
+  }
+}

test/test_data/emsesp_settings.json

@@ -0,0 +1,145 @@
+{
+  "type": "settings",
+  "System": {
+    "version": "3.8.2"
+  },
+  "Network": {
+    "ssid": "",
+    "bssid": "",
+    "password": "",
+    "hostname": "ems-esp",
+    "static_ip_config": false,
+    "bandwidth20": false,
+    "nosleep": true,
+    "enableMDNS": true,
+    "enableCORS": false,
+    "CORSOrigin": "*",
+    "tx_power": 0
+  },
+  "AP": {
+    "provision_mode": 2,
+    "ssid": "ems-esp",
+    "password": "ems-esp-neo",
+    "channel": 1,
+    "ssid_hidden": false,
+    "max_clients": 4,
+    "local_ip": "192.168.4.1",
+    "gateway_ip": "192.168.4.1",
+    "subnet_mask": "255.255.255.0"
+  },
+  "MQTT": {
+    "enableTLS": false,
+    "rootCA": "",
+    "enabled": true,
+    "host": "192.168.X.X",
+    "port": 1883,
+    "base": "ems-esp",
+    "username": "xxxx",
+    "password": "xxxx",
+    "client_id": "esp32-395c7bcc",
+    "keep_alive": 60,
+    "clean_session": false,
+    "entity_format": 1,
+    "publish_time_boiler": 60,
+    "publish_time_thermostat": 60,
+    "publish_time_solar": 60,
+    "publish_time_mixer": 60,
+    "publish_time_water": 60,
+    "publish_time_other": 60,
+    "publish_time_sensor": 60,
+    "publish_time_heartbeat": 10,
+    "mqtt_qos": 0,
+    "mqtt_retain": false,
+    "ha_enabled": true,
+    "nested_format": 1,
+    "discovery_prefix": "homeassistant",
+    "discovery_type": 0,
+    "ha_number_mode": 1,
+    "publish_single": false,
+    "publish_single2cmd": false,
+    "send_response": false
+  },
+  "NTP": {
+    "enabled": true,
+    "server": "time.google.com",
+    "tz_label": "Europe/Amsterdam",
+    "tz_format": "CET-1CEST,M3.5.0,M10.5.0/3"
+  },
+  "Security": {
+    "jwt_secret": "ems-esp-neo",
+    "users": [
+      {
+        "username": "admin",
+        "password": "admin",
+        "admin": true
+      },
+      {
+        "username": "guest",
+        "password": "guest",
+        "admin": false
+      }
+    ]
+  },
+  "Settings": {
+    "version": "3.8.2",
+    "board_profile": "E32V2",
+    "platform": "ESP32",
+    "locale": "en",
+    "tx_mode": 1,
+    "ems_bus_id": 11,
+    "syslog_enabled": false,
+    "syslog_level": 3,
+    "trace_raw": false,
+    "syslog_mark_interval": 0,
+    "syslog_host": "",
+    "syslog_port": 514,
+    "boiler_heatingoff": false,
+    "remote_timeout": 24,
+    "remote_timeout_en": false,
+    "shower_timer": true,
+    "shower_alert": false,
+    "shower_alert_coldshot": 10,
+    "shower_alert_trigger": 7,
+    "shower_min_duration": 180,
+    "rx_gpio": 4,
+    "tx_gpio": 5,
+    "dallas_gpio": 14,
+    "dallas_parasite": false,
+    "led_gpio": 2,
+    "hide_led": true,
+    "led_type": 0,
+    "low_clock": false,
+    "telnet_enabled": true,
+    "notoken_api": false,
+    "readonly_mode": false,
+    "analog_enabled": true,
+    "pbutton_gpio": 34,
+    "solar_maxflow": 30,
+    "fahrenheit": false,
+    "bool_format": 1,
+    "bool_dashboard": 1,
+    "enum_format": 1,
+    "weblog_level": 6,
+    "weblog_buffer": 500,
+    "weblog_compact": true,
+    "phy_type": 1,
+    "eth_power": 15,
+    "eth_phy_addr": 0,
+    "eth_clock_mode": 1,
+    "modbus_enabled": false,
+    "modbus_port": 502,
+    "modbus_max_clients": 10,
+    "modbus_timeout": 300,
+    "developer_mode": true,
+    "email_enabled": false,
+    "email_ssl": false,
+    "email_starttls": true,
+    "email_server": "smtp.example.net",
+    "email_port": 587,
+    "email_login": "",
+    "email_pass": "",
+    "email_sender": "ems-esp@example.net",
+    "email_recp": "",
+    "email_subject": "ems-esp notification"
+  }
+}

test/test_data/emsesp_systembackup.json

@@ -0,0 +1,249 @@
+{
+  "type": "systembackup",
+  "version": "3.8.2",
+  "date": "2026-04-15T08:06:45",
+  "systembackup": [
+    {
+      "type": "settings",
+      "Network": {
+        "ssid": "",
+        "bssid": "",
+        "password": "",
+        "hostname": "ems-esp",
+        "static_ip_config": false,
+        "bandwidth20": false,
+        "nosleep": true,
+        "enableMDNS": true,
+        "enableCORS": false,
+        "CORSOrigin": "*",
+        "tx_power": 0
+      },
+      "AP": {
+        "provision_mode": 2,
+        "ssid": "ems-esp",
+        "password": "ems-esp-neo",
+        "channel": 1,
+        "ssid_hidden": false,
+        "max_clients": 4,
+        "local_ip": "192.168.X.X",
+        "gateway_ip": "192.168.X.X",
+        "subnet_mask": "255.255.255.0"
+      },
+      "MQTT": {
+        "enableTLS": false,
+        "rootCA": "",
+        "enabled": true,
+        "host": "192.168.X.X",
+        "port": 1883,
+        "base": "ems-esp",
+        "username": "xxxx",
+        "password": "xxxx",
+        "client_id": "esp32-395c7bcc",
+        "keep_alive": 60,
+        "clean_session": false,
+        "entity_format": 1,
+        "publish_time_boiler": 60,
+        "publish_time_thermostat": 60,
+        "publish_time_solar": 60,
+        "publish_time_mixer": 60,
+        "publish_time_water": 60,
+        "publish_time_other": 60,
+        "publish_time_sensor": 60,
+        "publish_time_heartbeat": 10,
+        "mqtt_qos": 0,
+        "mqtt_retain": false,
+        "ha_enabled": true,
+        "nested_format": 1,
+        "discovery_prefix": "homeassistant",
+        "discovery_type": 0,
+        "ha_number_mode": 1,
+        "publish_single": false,
+        "publish_single2cmd": false,
+        "send_response": false
+      },
+      "NTP": {
+        "enabled": true,
+        "server": "time.google.com",
+        "tz_label": "Europe/Amsterdam",
+        "tz_format": "CET-1CEST,M3.5.0,M10.5.0/3"
+      },
+      "Security": {
+        "jwt_secret": "ems-esp-neo",
+        "users": [
+          {
+            "username": "admin",
+            "password": "admin",
+            "admin": true
+          },
+          {
+            "username": "guest",
+            "password": "guest",
+            "admin": false
+          }
+        ]
+      },
+      "Settings": {
+        "version": "3.8.2",
+        "board_profile": "E32V2",
+        "platform": "ESP32",
+        "locale": "en",
+        "tx_mode": 1,
+        "ems_bus_id": 11,
+        "syslog_enabled": false,
+        "syslog_level": 3,
+        "trace_raw": false,
+        "syslog_mark_interval": 0,
+        "syslog_host": "",
+        "syslog_port": 514,
+        "boiler_heatingoff": false,
+        "remote_timeout": 24,
+        "remote_timeout_en": false,
+        "shower_timer": true,
+        "shower_alert": false,
+        "shower_alert_coldshot": 10,
+        "shower_alert_trigger": 7,
+        "shower_min_duration": 180,
+        "rx_gpio": 4,
+        "tx_gpio": 5,
+        "dallas_gpio": 14,
+        "dallas_parasite": false,
+        "led_gpio": 2,
+        "hide_led": true,
+        "led_type": 0,
+        "low_clock": false,
+        "telnet_enabled": true,
+        "notoken_api": false,
+        "readonly_mode": false,
+        "analog_enabled": true,
+        "pbutton_gpio": 34,
+        "solar_maxflow": 30,
+        "fahrenheit": false,
+        "bool_format": 1,
+        "bool_dashboard": 1,
+        "enum_format": 1,
+        "weblog_level": 6,
+        "weblog_buffer": 75,
+        "weblog_compact": true,
+        "phy_type": 1,
+        "eth_power": 15,
+        "eth_phy_addr": 0,
+        "eth_clock_mode": 1,
+        "modbus_enabled": false,
+        "modbus_port": 502,
+        "modbus_max_clients": 10,
+        "modbus_timeout": 300,
+        "developer_mode": true
+      }
+    },
+    {
+      "type": "schedule",
+      "Schedule": {
+        "schedule": []
+      }
+    },
+    {
+      "type": "customizations",
+      "Customizations": {
+        "ts": [],
+        "as": [],
+        "masked_entities": [
+          {
+            "product_id": 77,
+            "device_id": 23,
+            "custom_name": "",
+            "custom_brand": "",
+            "entity_ids": [
+              "08datetime",
+              "08hc1/seltemp|<30",
+              "08hc1/currtemp",
+              "08hc1/mode"
+            ]
+          },
+          {
+            "product_id": 123,
+            "device_id": 8,
+            "custom_name": "",
+            "custom_brand": "",
+            "entity_ids": [
+              "08heatingactive",
+              "08burngas",
+              "08fanwork",
+              "08ignwork",
+              "08burnmaxpower|>23<121",
+              "08burnminperiod|<120",
+              "08lastcode",
+              "08servicecode"
+            ]
+          }
+        ]
+      }
+    },
+    {
+      "type": "entities",
+      "Entities": {
+        "entities": []
+      }
+    },
+    {
+      "type": "modules",
+      "Modules": {
+        "modules": []
+      }
+    },
+    {
+      "type": "nvs",
+      "nvs": [
+        {
+          "type": 1,
+          "key": "nompower",
+          "value": 30
+        },
+        {
+          "type": 33,
+          "key": "boot",
+          "value": "3.8.1-dev.4"
+        },
+        {
+          "type": 4,
+          "key": "d_boot",
+          "value": 1767525325
+        },
+        {
+          "type": 33,
+          "key": "app1",
+          "value": "3.8.2-dev.13"
+        },
+        {
+          "type": 33,
+          "key": "app0",
+          "value": "3.8.1"
+        },
+        {
+          "type": 4,
+          "key": "d_app0",
+          "value": 1774988066
+        },
+        {
+          "type": 1,
+          "key": "fresh_firmware",
+          "value": 0
+        },
+        {
+          "type": 4,
+          "key": "d_app1",
+          "value": 1776194060
+        },
+        {
+          "type": 66,
+          "key": "nrgheat",
+          "value": 485871.5481
+        },
+        {
+          "type": 66,
+          "key": "nrgww",
+          "value": 101649.2176
+        }
+      ]
+    }
+  ]
+}