diff --git a/interface/pnpm-lock.yaml b/interface/pnpm-lock.yaml
index 03a238d3e..19652ec29 100644
--- a/interface/pnpm-lock.yaml
+++ b/interface/pnpm-lock.yaml
@@ -1517,8 +1517,8 @@ packages:
   duplexer3@0.1.5:
     resolution: {integrity: sha512-1A8za6ws41LQgv9HrE/66jyC5yuSjQ3L/KOpFtoBilsAK2iA2wuS5rTt1OCzIvtS2V7nVmedsUU+DGRcjBmOYA==}
 
-  electron-to-chromium@1.5.313:
-    resolution: {integrity: sha512-QBMrTWEf00GXZmJyx2lbYD45jpI3TUFnNIzJ5BBc8piGUDwMPa1GV6HJWTZVvY/eiN3fSopl7NRbgGp9sZ9LTA==}
+  electron-to-chromium@1.5.321:
+    resolution: {integrity: sha512-L2C7Q279W2D/J4PLZLk7sebOILDSWos7bMsMNN06rK482umHUrh/3lM8G7IlHFOYip2oAg5nha1rCMxr/rs6ZQ==}
 
   emoji-regex@10.6.0:
     resolution: {integrity: sha512-toUI84YS5YmxW219erniWD0CIVOo46xGKColeNQRgOzDorgBi1v4D71/OFzgD9GO2UGKIv1C3Sp8DAn0+j5w7A==}
@@ -4389,7 +4389,7 @@ snapshots:
     dependencies:
       baseline-browser-mapping: 2.10.8
       caniuse-lite: 1.0.30001780
-      electron-to-chromium: 1.5.313
+      electron-to-chromium: 1.5.321
       node-releases: 2.0.36
       update-browserslist-db: 1.2.3(browserslist@4.28.1)
 
@@ -4753,7 +4753,7 @@ snapshots:
 
   duplexer3@0.1.5: {}
 
-  electron-to-chromium@1.5.313: {}
+  electron-to-chromium@1.5.321: {}
 
   emoji-regex@10.6.0: {}
 
diff --git a/interface/src/app/main/Dashboard.tsx b/interface/src/app/main/Dashboard.tsx
index b02be0545..a98105623 100644
--- a/interface/src/app/main/Dashboard.tsx
+++ b/interface/src/app/main/Dashboard.tsx
@@ -263,7 +263,17 @@ const Dashboard = memo(() => {
     return (
       <>
         {!data.connected && (
-          <MessageBox level="error" message={LL.EMS_BUS_WARNING()} />
+          <MessageBox level="error" message={LL.EMS_BUS_WARNING() + '.'}>
+            &nbsp;(
+            <Link
+              target="_blank"
+              to="https://docs.emsesp.org/Troubleshooting#ems-bus-is-not-connecting"
+              style={{ color: 'white' }}
+            >
+              {LL.ONLINE_HELP()}
+            </Link>
+            )
+          </MessageBox>
         )}
 
         {data.connected && data.nodes.length > 0 && !hasFavEntities && (
diff --git a/interface/src/app/main/Devices.tsx b/interface/src/app/main/Devices.tsx
index f96adfb89..7e8802bb3 100644
--- a/interface/src/app/main/Devices.tsx
+++ b/interface/src/app/main/Devices.tsx
@@ -8,7 +8,7 @@ import {
   useState
 } from 'react';
 import { IconContext } from 'react-icons';
-import { useNavigate } from 'react-router';
+import { Link, useNavigate } from 'react-router';
 import { toast } from 'react-toastify';
 
 import CommentsDisabledOutlinedIcon from '@mui/icons-material/CommentsDisabledOutlined';
@@ -534,7 +534,17 @@ const Devices = memo(() => {
   const renderCoreData = () => (
     <>
       {!coreData.connected ? (
-        <MessageBox level="error" message={LL.EMS_BUS_WARNING()} />
+        <MessageBox level="error" message={LL.EMS_BUS_WARNING() + '.'}>
+          &nbsp;(
+          <Link
+            target="_blank"
+            to="https://docs.emsesp.org/Troubleshooting#ems-bus-is-not-connecting"
+            style={{ color: 'white' }}
+          >
+            {LL.ONLINE_HELP()}
+          </Link>
+          )
+        </MessageBox>
       ) : (
         <Box justifyContent="center" flexDirection="column">
           <IconContext.Provider
diff --git a/interface/src/i18n/cz/index.ts b/interface/src/i18n/cz/index.ts
index 27cef9a70..ed24977cb 100644
--- a/interface/src/i18n/cz/index.ts
+++ b/interface/src/i18n/cz/index.ts
@@ -357,7 +357,8 @@ const cz: Translation = {
   FIRMWARE_VERSION_INFO: 'Informace o verzi firmwaru',
   NO_DATA: 'Žádná data',
   USER_PROFILE: 'Uživatelský profil',
-  STORED_VERSIONS: 'Uložené verze'
+  STORED_VERSIONS: 'Uložené verze',
+  ONLINE_HELP: 'online nápověda'
 };
 
 export default cz;
diff --git a/interface/src/i18n/de/index.ts b/interface/src/i18n/de/index.ts
index 53634bde9..94cee3bb8 100644
--- a/interface/src/i18n/de/index.ts
+++ b/interface/src/i18n/de/index.ts
@@ -357,7 +357,8 @@ const de: Translation = {
   FIRMWARE_VERSION_INFO: 'Firmware-Versionsinformation',
   NO_DATA: 'Keine Daten',
   USER_PROFILE: 'Benutzerprofil',
-  STORED_VERSIONS: 'Gespeicherte Versionen'
+  STORED_VERSIONS: 'Gespeicherte Versionen',
+  ONLINE_HELP: 'Online-Hilfe'
 };
 
 export default de;
diff --git a/interface/src/i18n/en/index.ts b/interface/src/i18n/en/index.ts
index 7196fcd6e..e4a8900b1 100644
--- a/interface/src/i18n/en/index.ts
+++ b/interface/src/i18n/en/index.ts
@@ -357,7 +357,8 @@ const en: Translation = {
   FIRMWARE_VERSION_INFO: 'Firmware Version Information',
   NO_DATA: 'No data',
   USER_PROFILE: 'User Profile',
-  STORED_VERSIONS: 'Stored Versions'
+  STORED_VERSIONS: 'Stored Versions',
+  ONLINE_HELP: 'online help'
 };
 
 export default en;
diff --git a/interface/src/i18n/fr/index.ts b/interface/src/i18n/fr/index.ts
index 13a18327a..de7c3cd50 100644
--- a/interface/src/i18n/fr/index.ts
+++ b/interface/src/i18n/fr/index.ts
@@ -357,7 +357,8 @@ const fr: Translation = {
   FIRMWARE_VERSION_INFO: 'Informations sur la version du firmware',
   NO_DATA: 'Aucune donnée',
   USER_PROFILE: 'Profil utilisateur',
-  STORED_VERSIONS: 'Versions stockées'
+  STORED_VERSIONS: 'Versions stockées',
+  ONLINE_HELP: 'aide en ligne'
 };
 
 export default fr;
diff --git a/interface/src/i18n/it/index.ts b/interface/src/i18n/it/index.ts
index 51f29f9fe..7eeaadb83 100644
--- a/interface/src/i18n/it/index.ts
+++ b/interface/src/i18n/it/index.ts
@@ -357,7 +357,8 @@ const it: Translation = {
   FIRMWARE_VERSION_INFO: 'Informazioni sulla versione del firmware',
   NO_DATA: 'Nessun dato',
   USER_PROFILE: 'Profilo utente',
-  STORED_VERSIONS: 'Versioni memorizzate'
+  STORED_VERSIONS: 'Versioni memorizzate',
+  ONLINE_HELP: 'aiuto online'
 };
 
 export default it;
diff --git a/interface/src/i18n/nl/index.ts b/interface/src/i18n/nl/index.ts
index bd0d0e6f7..f6503fe1b 100644
--- a/interface/src/i18n/nl/index.ts
+++ b/interface/src/i18n/nl/index.ts
@@ -357,7 +357,8 @@ const nl: Translation = {
   FIRMWARE_VERSION_INFO: 'Informatie over firmwareversie',
   NO_DATA: 'Geen data',
   USER_PROFILE: 'Gebruikersprofiel',
-  STORED_VERSIONS: 'Opgeslagen versies'
+  STORED_VERSIONS: 'Opgeslagen versies',
+  ONLINE_HELP: 'online help'
 };
 
 export default nl;
diff --git a/interface/src/i18n/no/index.ts b/interface/src/i18n/no/index.ts
index 63365268d..c757242cb 100644
--- a/interface/src/i18n/no/index.ts
+++ b/interface/src/i18n/no/index.ts
@@ -357,7 +357,8 @@ const no: Translation = {
   FIRMWARE_VERSION_INFO: 'Informasjon om firmwareversjon',
   NO_DATA: 'Ingen data',
   USER_PROFILE: 'Brukerprofil',
-  STORED_VERSIONS: 'Lagret versjoner'
+  STORED_VERSIONS: 'Lagret versjoner',
+  ONLINE_HELP: 'online hjelp'
 };
 
 export default no;
diff --git a/interface/src/i18n/pl/index.ts b/interface/src/i18n/pl/index.ts
index 60ee8b58f..672ef1972 100644
--- a/interface/src/i18n/pl/index.ts
+++ b/interface/src/i18n/pl/index.ts
@@ -357,7 +357,8 @@ const pl: BaseTranslation = {
   FIRMWARE_VERSION_INFO: 'Informacje o wersji firmware',
   NO_DATA: 'Brak danych',
   USER_PROFILE: 'Profil użytkownika',
-  STORED_VERSIONS: 'Zapisane wersje'
+  STORED_VERSIONS: 'Zapisane wersje',
+  ONLINE_HELP: 'pomoc online'
 };
 
 export default pl;
diff --git a/interface/src/i18n/sk/index.ts b/interface/src/i18n/sk/index.ts
index e74175241..228cb080d 100644
--- a/interface/src/i18n/sk/index.ts
+++ b/interface/src/i18n/sk/index.ts
@@ -357,7 +357,8 @@ const sk: Translation = {
   FIRMWARE_VERSION_INFO: 'Informácie o verzii firmware',
   NO_DATA: 'Žiadne dáta',
   USER_PROFILE: 'Profil používateľa',
-  STORED_VERSIONS: 'Uložené verzie'
+  STORED_VERSIONS: 'Uložené verzie',
+  ONLINE_HELP: 'online pomoc'
 };
 
 export default sk;
diff --git a/interface/src/i18n/sv/index.ts b/interface/src/i18n/sv/index.ts
index 7ff150a83..faaa0e959 100644
--- a/interface/src/i18n/sv/index.ts
+++ b/interface/src/i18n/sv/index.ts
@@ -357,7 +357,8 @@ const sv: Translation = {
   FIRMWARE_VERSION_INFO: 'Information om firmwareversion',
   NO_DATA: 'Ingen data',
   USER_PROFILE: 'Användarprofil',
-  STORED_VERSIONS: 'Lagrad versioner'
+  STORED_VERSIONS: 'Lagrad versioner',
+  ONLINE_HELP: 'online hjälp'
 };
 
 export default sv;
diff --git a/interface/src/i18n/tr/index.ts b/interface/src/i18n/tr/index.ts
index f280a7183..7b4a1a5a2 100644
--- a/interface/src/i18n/tr/index.ts
+++ b/interface/src/i18n/tr/index.ts
@@ -357,7 +357,8 @@ const tr: Translation = {
   FIRMWARE_VERSION_INFO: 'Firmware Sürüm Bilgisi',
   NO_DATA: 'Hiçbir veri yok',
   USER_PROFILE: 'Kullanıcı Profili',
-  STORED_VERSIONS: 'Kaydedilmiş Sürümler'
+  STORED_VERSIONS: 'Kaydedilmiş Sürümler',
+  ONLINE_HELP: 'online yardım'
 };
 
 export default tr;
diff --git a/mock-api/restServer.ts b/mock-api/restServer.ts
index 2c9504147..973bc6f2a 100644
--- a/mock-api/restServer.ts
+++ b/mock-api/restServer.ts
@@ -4564,7 +4564,7 @@ router
     let sorted_devices = [...emsesp_coredata.devices].sort((a, b) => a.t - b.t);
     // append emsesp_coredata to sorted_devices so Custom is always at the end of the list
     sorted_devices.push(emsesp_coredata_custom);
-    // sorted_devices = []; // uncomment if simulating no devices...
+    // return { connected: false, devices: [] }; // uncomment if simulating no devices...
     return { connected: true, devices: sorted_devices };
   })
   .get(EMSESP_SENSOR_DATA_ENDPOINT, () => {
diff --git a/platformio.ini b/platformio.ini
index 527d0beb6..6182f6328 100644
--- a/platformio.ini
+++ b/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/2026.03.30/platform-espressif32.zip ; Tasmota Arduino Core 3.1.11 based on IDF 5.3.4.20260127
+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
 
 ; 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/2026.03.30/platform-espressif32.zip ; Tasmota Arduino Core 3.1.11 based on IDF 5.3.4.20260127
+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
 
 ; 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/2026.03.30/platform-espressif32.zip ; Tasmota Arduino Core 3.1.11 based on IDF 5.3.4.20260127
+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
 
 [env]
 build_flags =
@@ -91,12 +91,11 @@ board_build.filesystem = littlefs
 lib_deps =
   bblanchon/ArduinoJson @ 7.4.2
   ESP32Async/AsyncTCP @ 3.4.10
-  ESP32Async/ESPAsyncWebServer @ 3.10.2
+  ESP32Async/ESPAsyncWebServer @ 3.10.3
   https://github.com/mobizt/ReadyMail.git @ 0.3.8
   https://github.com/mobizt/ESP_SSLClient.git @ 3.1.3
   ; https://github.com/emsesp/EMS-ESP-Modules.git @ 1.0.8
 
-
 ; builds the web interface only, not the firmware
 [env:build_webUI]
 platform = native
diff --git a/src/emsesp_version.h b/src/emsesp_version.h
index 711bf91b2..ed8918369 100644
--- a/src/emsesp_version.h
+++ b/src/emsesp_version.h
@@ -1 +1 @@
-#define EMSESP_APP_VERSION "3.8.2-dev.C10"
+#define EMSESP_APP_VERSION "3.8.2-dev.C11"