diff --git a/.azure-pipelines/azure-pipelines.yml b/.azure-pipelines/azure-pipelines.yml
index d96dc95b34..54ae01b13f 100644
--- a/.azure-pipelines/azure-pipelines.yml
+++ b/.azure-pipelines/azure-pipelines.yml
@@ -49,17 +49,6 @@ parameters:
 
 stages:
 
-###########################################
-#             WAKE-UP SIGNAL              #
-###########################################
-#- template: templates/wake-signal.yml
-#  parameters:
-#    stageName: Wake_Up_Signal
-#    displayName: 'Send Wake-Up Signal'
-#    dependsOn: []
-#    poolName: AlarmClock
-#    condition: always()
-
 ###########################################
 #        SET VERSION BUILD NUMBER         #
 ###########################################
@@ -84,6 +73,25 @@ stages:
             echo "##vso[build.addbuildtag]${{ parameters.buildType }}"
           displayName: 'Set Build Number to Version'
 
+###########################################
+#             WAKE SIGNAL                 #
+###########################################
+- template: templates/sleep-wake-signal.yml
+  parameters:
+    stageName: Sleep_Wake_Signal
+    displayName: 'Send Wake Signal'
+    dependsOn: Set_Build_Number
+    poolName: AlarmClock
+    action: Wake
+    condition: |
+        and(
+          succeeded(),
+          or(
+            eq('${{ parameters.targetOS }}', 'Windows'),
+            eq('${{ parameters.targetOS }}', 'Linux'),
+            eq('${{ parameters.targetOS }}', 'All')
+          )
+        )
 
 ###########################################
 #         WINDOWS BUILD JOB               #
@@ -92,8 +100,7 @@ stages:
 - stage: Windows_Build_x64
   displayName: Windows Build x64
   dependsOn:
-    #- Wake_Up_Signal
-    - Set_Build_Number
+    - Sleep_Wake_Signal
   condition: and(succeeded(), or(eq('${{ parameters.targetOS }}', 'Windows'), eq('${{ parameters.targetOS }}', 'All')))
 
   jobs:
@@ -281,8 +288,7 @@ stages:
 - stage: Linux_Build_x64
   displayName: Linux Build x64
   dependsOn:
-    #- Wake_Up_Signal
-    - Set_Build_Number
+    - Sleep_Wake_Signal
   condition: and(succeeded(), or(eq('${{ parameters.targetOS }}', 'Linux'), eq('${{ parameters.targetOS }}', 'All')))
 
   jobs:
@@ -388,9 +394,26 @@ stages:
           chmod +x appimagetool-x86_64.AppImage
           chmod +x linuxdeploy-plugin-gstreamer.sh
 
+          echo "=== Copying Wayland platform plugins ==="
+          mkdir -p "$APP_DIR/usr/plugins/platforms"
+          cp /opt/Qt/$(qt_version)/gcc_64/plugins/platforms/libqwayland*.so \
+             "$APP_DIR/usr/plugins/platforms/" 2>/dev/null || true
+
+          mkdir -p "$APP_DIR/usr/plugins/wayland-decoration-client"
+          cp -a /opt/Qt/$(qt_version)/gcc_64/plugins/wayland-decoration-client/. \
+             "$APP_DIR/usr/plugins/wayland-decoration-client/" 2>/dev/null || true
+
+          mkdir -p "$APP_DIR/usr/plugins/wayland-graphics-integration-client"
+          cp -a /opt/Qt/$(qt_version)/gcc_64/plugins/wayland-graphics-integration-client/. \
+             "$APP_DIR/usr/plugins/wayland-graphics-integration-client/" 2>/dev/null || true
+
+          mkdir -p "$APP_DIR/usr/plugins/wayland-shell-integration"
+          cp -a /opt/Qt/$(qt_version)/gcc_64/plugins/wayland-shell-integration/. \
+             "$APP_DIR/usr/plugins/wayland-shell-integration/" 2>/dev/null || true
+
           echo "=== Running linuxdeploy to package AppImage ==="
           export QMAKE="/opt/Qt/$(qt_version)/gcc_64/bin/qmake"
-          export EXTRA_QT_PLUGINS="multimedia"
+          export EXTRA_QT_PLUGINS="multimedia;waylandcompositor"
           ./linuxdeploy-x86_64.AppImage \
               --appdir "$APP_DIR" \
               -d "$APP_DIR/usr/share/applications/SerialPrograms.desktop" \
@@ -407,6 +430,7 @@ stages:
           echo "=== Patching AppRun to force GStreamer backend ==="
           sed -i '2i export PA_APPIMAGE_DIR=$(cd "$(dirname "$APPIMAGE")" && pwd)' "$APP_DIR/AppRun"
           sed -i '2i export QT_MEDIA_BACKEND=gstreamer' "$APP_DIR/AppRun"
+          sed -i '2i if [ -n "$WAYLAND_DISPLAY" ] && [ -z "$QT_QPA_PLATFORM" ]; then export QT_QPA_PLATFORM=wayland; elif [ -z "$QT_QPA_PLATFORM" ]; then export QT_QPA_PLATFORM=xcb; fi' "$APP_DIR/AppRun"
 
           echo "=== Packaging AppImage ==="
           ./appimagetool-x86_64.AppImage AppDir
@@ -551,16 +575,25 @@ stages:
     condition: succeeded()
 
 ###########################################
-#                 SLEEP                   #
+#              SLEEP SIGNAL               #
 ###########################################
-#- template: templates/sleep-signal.yml
-#  parameters:
-#    stageName: Sleep_Signal
-#    displayName: 'Send Sleep Signal'
-#    dependsOn:
-#      - Upload_Debug_Symbols
-#    poolName: AlarmClock
-#    condition: always()
+- template: templates/sleep-wake-signal.yml
+  parameters:
+    stageName: Sleep_Wake_Signal2
+    displayName: 'Send Sleep Signal'
+    dependsOn:
+      - Upload_Debug_Symbols
+    poolName: AlarmClock
+    action: Sleep
+    condition: |
+        and(
+          in(dependencies.Sleep_Wake_Signal.result, 'Succeeded'),
+          or(
+            eq('${{ parameters.targetOS }}', 'Windows'),
+            eq('${{ parameters.targetOS }}', 'Linux'),
+            eq('${{ parameters.targetOS }}', 'All')
+          )
+        )
 
 ##########################################
 #          ARTIFACT VALIDATION           #
diff --git a/.azure-pipelines/templates/sleep-signal.yml b/.azure-pipelines/templates/sleep-signal.yml
deleted file mode 100644
index 52950a5ace..0000000000
--- a/.azure-pipelines/templates/sleep-signal.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-# templates/sleep-signal.yml
-# Template for putting Windows/Linux host to sleep
-
-parameters:
-  stageName: ''
-  displayName: ''
-  dependsOn: []
-  condition: ''
-
-stages:
-  - stage: ${{ parameters.stageName }}
-    displayName: ${{ parameters.displayName }}
-    dependsOn: ${{ parameters.dependsOn }}
-    condition: ${{ parameters.condition }}
-
-    jobs:
-      - job: SendSleepSignal
-        displayName: Send Sleep Signal
-        pool:
-          name: ${{ parameters.poolName }}
-        timeoutInMinutes: 10
-        steps:
-          - checkout: none
-
-          - script: |
-              if [ -z "$HOST_IP" ] || [ -z "$HOST_PORT" ] || [ -z "$HOST_SECRET" ]; then
-                  echo "❌ One or more required environment variables are missing."
-                  exit 1
-              fi
-
-              URL="http://${HOST_IP}:${HOST_PORT}/sleep/"
-              echo "Sending POST to the host"
-              HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" \
-                  -X POST \
-                  -H "X-Auth: ${HOST_SECRET}" \
-                  -H "Content-Length: 0" \
-                  "$URL")
-
-              echo "HTTP response code: $HTTP_CODE"
-              if [[ "$HTTP_CODE" =~ ^2 ]]; then
-                  echo "✅ Sleep signal sent successfully."
-              else
-                  echo "❌ Failed to send sleep signal (HTTP $HTTP_CODE)"
-                  exit 1
-              fi
-            displayName: 'Send Sleep Signal'
-            condition: succeeded()
-            env:
-              HOST_IP: $(HOST_IP)
-              HOST_PORT: $(HOST_PORT)
-              HOST_SECRET: $(HOST_SECRET)
diff --git a/.azure-pipelines/templates/sleep-wake-signal.yml b/.azure-pipelines/templates/sleep-wake-signal.yml
new file mode 100644
index 0000000000..409e6d381c
--- /dev/null
+++ b/.azure-pipelines/templates/sleep-wake-signal.yml
@@ -0,0 +1,78 @@
+# templates/sleep-wake-signal.yml
+# Template for putting Windows/Linux host to sleep/wake via USB relay controller
+# AT commands: AT+CH1=1 (close relay), AT+CH1=0 (open relay)
+
+parameters:
+  stageName: ''
+  displayName: ''
+  dependsOn: []
+  condition: ''
+  action: '' # 'Wake' or 'Sleep'
+
+stages:
+  - stage: ${{ parameters.stageName }}
+    displayName: ${{ parameters.displayName }}
+    dependsOn: ${{ parameters.dependsOn }}
+    condition: ${{ parameters.condition }}
+
+    jobs:
+      - job: SendSleepWakeSignal
+        displayName: Send Sleep/Wake Signal via Relay
+        pool:
+          name: ${{ parameters.poolName }}
+        timeoutInMinutes: 10
+        steps:
+          - checkout: none
+
+          - task: UsePythonVersion@0
+            inputs:
+              versionSpec: '3.14'
+              addToPath: true
+            name: UsePythonVersion
+            displayName: 'Use Python 3.14'
+
+          - powershell: |
+              $action = "${{ parameters.action }}"
+              $pingUrl = "http://$($env:HOST_IP):$($env:HOST_PORT)/ping/"
+              $isAwake = $false
+
+              try {
+                  $response = Invoke-WebRequest -Uri $pingUrl -Headers @{ "X-Auth" = $env:HOST_SECRET } -TimeoutSec 10 -UseBasicParsing -ErrorAction Stop
+                  if ($response.Content.Trim() -eq "ack") {
+                      Write-Host "Ping response: ack. Host is awake."
+                      $isAwake = $true
+                  } else {
+                      Write-Host "Ping response: unexpected content '$($response.Content.Trim())'. Assuming asleep."
+                  }
+              } catch {
+                  Write-Host "Ping failed or no response. Assuming host is asleep: $_"
+              }
+
+              if ($action -eq "Wake" -and $isAwake) {
+                  Write-Host "Action is 'Wake' but host is already awake. Skipping script."
+              } elseif ($action -eq "Sleep" -and -not $isAwake) {
+                  Write-Host "Action is 'Sleep' but host is already asleep. Skipping script."
+              } else {
+                  Write-Host "Running relay script for action: $action"
+                  $f = "$env:TEMP\relay.py"
+                  Set-Content  $f "import serial"
+                  Add-Content  $f "import time"
+                  Add-Content  $f "with serial.Serial('COM3', 9600, timeout=1) as ser:"
+                  Add-Content  $f "    print('Closing the relay...')"
+                  Add-Content  $f "    ser.write(b'AT+CH1=1\r\n')"
+                  Add-Content  $f "    time.sleep(0.5)"
+                  Add-Content  $f "    print('Opening the relay...')"
+                  Add-Content  $f "    ser.write(b'AT+CH1=0\r\n')"
+                  python $f
+
+                  if ($LASTEXITCODE -ne 0) {
+                      Write-Error "Relay script failed with exit code $LASTEXITCODE"
+                      exit $LASTEXITCODE
+                  }
+              }
+            displayName: 'Send ${{ parameters.action }} Signal via Relay'
+            condition: succeeded()
+            env:
+              HOST_IP: $(host_ip)
+              HOST_PORT: $(host_port)
+              HOST_SECRET: $(host_secret)
diff --git a/.azure-pipelines/templates/wake-signal.yml b/.azure-pipelines/templates/wake-signal.yml
deleted file mode 100644
index 46291c203e..0000000000
--- a/.azure-pipelines/templates/wake-signal.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-# templates/wake-signal.yml
-# Template for waking up the Windows/Linux host
-
-parameters:
-  stageName: ''
-  displayName: ''
-  dependsOn: []
-  condition: ''
-
-stages:
-  - stage: ${{ parameters.stageName }}
-    displayName: ${{ parameters.displayName }}
-    dependsOn: ${{ parameters.dependsOn }}
-    condition: ${{ parameters.condition }}
-
-    jobs:
-      - job: SendWakeUpSignal
-        displayName: Send Wake-Up Signal
-        pool:
-          name: ${{ parameters.poolName }}
-        timeoutInMinutes: 10
-        steps:
-          - checkout: none
-
-          - script: |
-              macAddress="${HOST_MAC}"
-              macAddressCleaned=$(echo "$macAddress" | tr -d ':-')
-              if [ ${#macAddressCleaned} -ne 12 ]; then
-                  echo "❌ Invalid MAC address format"
-                  exit 1
-              fi
-
-              magicPacket=""
-              for i in {1..6}; do
-                  magicPacket="${magicPacket}ff"
-              done
-
-              for i in {1..16}; do
-                  magicPacket="${magicPacket}${macAddressCleaned}"
-              done
-
-              if [ -n "$HOST_IP" ]; then
-                  echo "$magicPacket" | xxd -r -p | nc -w1 -u "$HOST_IP" 9
-                  echo "✅ Sent directly to $HOST_IP:9"
-              fi
-
-              echo "$magicPacket" | xxd -r -p | nc -b -w1 -u 255.255.255.255 9
-              echo "✅ Sent to global broadcast (255.255.255.255:9)"
-            displayName: 'Send Wake-Up Signal'
-            condition: succeeded()
-            env:
-              HOST_MAC: $(HOST_MAC)
-              HOST_IP: $(HOST_IP)