diff --git a/.github/workflows/nightly-artifacts.yml b/.github/workflows/nightly-artifacts.yml
new file mode 100644
index 0000000..ff34964
--- /dev/null
+++ b/.github/workflows/nightly-artifacts.yml
@@ -0,0 +1,145 @@
+name: Nightly Runtime Artifacts
+
+on:
+  push:
+    branches:
+      - main
+  schedule:
+    - cron: "20 2 * * *"
+  workflow_dispatch:
+
+jobs:
+  build-windows-zip:
+    name: Build Windows ZIP Artifact
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Extract version from pom.xml
+        shell: pwsh
+        run: |
+          $xml = [xml](Get-Content pom.xml)
+          $version = $xml.project.version
+          Add-Content -Path $env:GITHUB_ENV -Value "VERSION=$version"
+
+      - name: Set up Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "17"
+
+      - name: Install WiX Toolset
+        shell: pwsh
+        run: choco install wixtoolset --no-progress -y
+
+      - name: Build JAR and copy runtime dependencies
+        shell: pwsh
+        run: |
+          .\mvnw.cmd -B -DskipTests package dependency:copy-dependencies -DincludeScope=runtime -DoutputDirectory=target/dist-libs
+          $jar = Get-ChildItem -Path target -Filter 'praktiKST-*.jar' | Sort-Object LastWriteTime -Descending | Select-Object -First 1
+          if (-not $jar) {
+            throw "No project JAR produced"
+          }
+          Copy-Item $jar.FullName target/dist-libs/app.jar
+
+      - name: Build app-image with jpackage
+        shell: pwsh
+        run: |
+          New-Item -ItemType Directory -Force -Path dist | Out-Null
+          jpackage --type app-image --name praktiKST --input target/dist-libs --main-jar app.jar --main-class kst4contest.view.Kst4ContestApplication --module-path target/dist-libs --add-modules javafx.controls,javafx.graphics,javafx.fxml,javafx.web,javafx.media,java.sql --dest dist
+
+      - name: Create Windows ZIP
+        shell: pwsh
+        run: |
+          if (-not (Test-Path dist/praktiKST)) {
+            throw "No Windows app-image produced by jpackage"
+          }
+          Compress-Archive -Path dist/praktiKST -DestinationPath dist/praktiKST-${{ env.VERSION }}-windows-x64.zip -Force
+
+      - name: Upload Windows ZIP artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: nightly-windows-zip
+          path: dist/praktiKST-${{ env.VERSION }}-windows-x64.zip
+          retention-days: 14
+
+  build-linux-appimage:
+    name: Build Linux AppImage Artifact
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Extract version from pom.xml
+        run: |
+          VERSION=$(grep -m1 '<version>' pom.xml | sed 's/.*<version>\(.*\)<\/version>.*/\1/')
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
+
+      - name: Set up Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "17"
+
+      - name: Ensure mvnw is executable
+        run: chmod +x mvnw
+
+      - name: Build JAR and copy runtime dependencies
+        run: |
+          ./mvnw -B -DskipTests package dependency:copy-dependencies -DincludeScope=runtime -DoutputDirectory=target/dist-libs
+          cp "$(ls -t target/praktiKST-*.jar | head -n 1)" target/dist-libs/app.jar
+
+      - name: Build app-image with jpackage
+        run: |
+          mkdir -p dist
+          jpackage \
+            --type app-image \
+            --name praktiKST \
+            --input target/dist-libs \
+            --main-jar app.jar \
+            --main-class kst4contest.view.Kst4ContestApplication \
+            --module-path target/dist-libs \
+            --add-modules javafx.controls,javafx.graphics,javafx.fxml,javafx.web,javafx.media,java.sql \
+            --dest dist
+
+      - name: Create AppDir metadata
+        run: |
+          rm -rf target/praktiKST.AppDir
+          cp -a dist/praktiKST target/praktiKST.AppDir
+
+          cat > target/praktiKST.AppDir/AppRun << 'EOF'
+          #!/bin/sh
+          HERE="$(dirname "$(readlink -f "$0")")"
+          exec "$HERE/bin/praktiKST" "$@"
+          EOF
+          chmod +x target/praktiKST.AppDir/AppRun
+
+          cat > target/praktiKST.AppDir/praktiKST.desktop << 'EOF'
+          [Desktop Entry]
+          Type=Application
+          Name=praktiKST
+          Exec=praktiKST
+          Icon=praktiKST
+          Categories=Network;HamRadio;
+          Terminal=false
+          EOF
+
+          if [ -f target/praktiKST.AppDir/lib/praktiKST.png ]; then
+            cp target/praktiKST.AppDir/lib/praktiKST.png target/praktiKST.AppDir/praktiKST.png
+          fi
+
+      - name: Build AppImage
+        run: |
+          wget -q -O target/appimagetool.AppImage https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage
+          chmod +x target/appimagetool.AppImage
+          APPIMAGE_EXTRACT_AND_RUN=1 ARCH=x86_64 target/appimagetool.AppImage target/praktiKST.AppDir dist/praktiKST-${{ env.VERSION }}-linux-x86_64.AppImage
+
+      - name: Upload Linux AppImage artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: nightly-linux-appimage
+          path: dist/praktiKST-${{ env.VERSION }}-linux-x86_64.AppImage
+          retention-days: 14
diff --git a/.github/workflows/pr-compile-check.yml b/.github/workflows/pr-compile-check.yml
new file mode 100644
index 0000000..e9f5a56
--- /dev/null
+++ b/.github/workflows/pr-compile-check.yml
@@ -0,0 +1,28 @@
+name: PR Compile Check
+
+on:
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  compile:
+    name: Compile (Java 17)
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "17"
+
+      - name: Ensure mvnw is executable
+        run: chmod +x mvnw
+
+      - name: Compile
+        run: ./mvnw -B -DskipTests compile
diff --git a/.github/workflows/tagged-release.yml b/.github/workflows/tagged-release.yml
new file mode 100644
index 0000000..30abf55
--- /dev/null
+++ b/.github/workflows/tagged-release.yml
@@ -0,0 +1,164 @@
+name: Tagged Release Build
+
+on:
+  push:
+    tags:
+      - "*"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  build-windows-zip:
+    name: Build Windows ZIP
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "17"
+
+      - name: Install WiX Toolset
+        shell: pwsh
+        run: choco install wixtoolset --no-progress -y
+
+      - name: Build JAR and copy runtime dependencies
+        shell: pwsh
+        run: |
+          .\mvnw.cmd -B -DskipTests package dependency:copy-dependencies -DincludeScope=runtime -DoutputDirectory=target/dist-libs
+          $jar = Get-ChildItem -Path target -Filter 'praktiKST-*.jar' | Sort-Object LastWriteTime -Descending | Select-Object -First 1
+          if (-not $jar) {
+            throw "No project JAR produced"
+          }
+          Copy-Item $jar.FullName target/dist-libs/app.jar
+
+      - name: Build app-image with jpackage
+        shell: pwsh
+        run: |
+          New-Item -ItemType Directory -Force -Path dist | Out-Null
+          jpackage --type app-image --name praktiKST --input target/dist-libs --main-jar app.jar --main-class kst4contest.view.Kst4ContestApplication --module-path target/dist-libs --add-modules javafx.controls,javafx.graphics,javafx.fxml,javafx.web,javafx.media,java.sql --dest dist
+
+      - name: Create Windows ZIP
+        shell: pwsh
+        run: |
+          if (-not (Test-Path dist/praktiKST)) {
+            throw "No Windows app-image produced by jpackage"
+          }
+          Compress-Archive -Path dist/praktiKST -DestinationPath dist/praktiKST-${{ github.ref_name }}-windows-x64.zip -Force
+
+      - name: Upload Windows artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-zip
+          path: dist/praktiKST-${{ github.ref_name }}-windows-x64.zip
+
+  build-linux-appimage:
+    name: Build Linux AppImage
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "17"
+
+      - name: Ensure mvnw is executable
+        run: chmod +x mvnw
+
+      - name: Build JAR and copy runtime dependencies
+        run: |
+          ./mvnw -B -DskipTests package dependency:copy-dependencies -DincludeScope=runtime -DoutputDirectory=target/dist-libs
+          cp "$(ls -t target/praktiKST-*.jar | head -n 1)" target/dist-libs/app.jar
+
+      - name: Build app-image with jpackage
+        run: |
+          mkdir -p dist
+          jpackage \
+            --type app-image \
+            --name praktiKST \
+            --input target/dist-libs \
+            --main-jar app.jar \
+            --main-class kst4contest.view.Kst4ContestApplication \
+            --module-path target/dist-libs \
+            --add-modules javafx.controls,javafx.graphics,javafx.fxml,javafx.web,javafx.media,java.sql \
+            --dest dist
+
+      - name: Create AppDir metadata
+        run: |
+          rm -rf target/praktiKST.AppDir
+          cp -a dist/praktiKST target/praktiKST.AppDir
+
+          cat > target/praktiKST.AppDir/AppRun << 'EOF'
+          #!/bin/sh
+          HERE="$(dirname "$(readlink -f "$0")")"
+          exec "$HERE/bin/praktiKST" "$@"
+          EOF
+          chmod +x target/praktiKST.AppDir/AppRun
+
+          cat > target/praktiKST.AppDir/praktiKST.desktop << 'EOF'
+          [Desktop Entry]
+          Type=Application
+          Name=praktiKST
+          Exec=praktiKST
+          Icon=praktiKST
+          Categories=Network;HamRadio;
+          Terminal=false
+          EOF
+
+          if [ -f target/praktiKST.AppDir/lib/praktiKST.png ]; then
+            cp target/praktiKST.AppDir/lib/praktiKST.png target/praktiKST.AppDir/praktiKST.png
+          fi
+
+      - name: Build AppImage
+        run: |
+          wget -q -O target/appimagetool.AppImage https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage
+          chmod +x target/appimagetool.AppImage
+          APPIMAGE_EXTRACT_AND_RUN=1 ARCH=x86_64 target/appimagetool.AppImage target/praktiKST.AppDir dist/praktiKST-${{ github.ref_name }}-linux-x86_64.AppImage
+
+      - name: Upload Linux artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: linux-appimage
+          path: dist/praktiKST-${{ github.ref_name }}-linux-x86_64.AppImage
+
+  release-tag:
+    name: Publish Tagged Release
+    runs-on: ubuntu-latest
+    needs:
+      - build-windows-zip
+      - build-linux-appimage
+
+    steps:
+      - name: Download Windows artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: windows-zip
+          path: release-assets/windows
+
+      - name: Download Linux artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: linux-appimage
+          path: release-assets/linux
+
+      - name: Create tagged release
+        uses: ncipollo/release-action@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          tag: ${{ github.ref_name }}
+          name: Release ${{ github.ref_name }}
+          allowUpdates: false
+          replacesArtifacts: false
+          makeLatest: true
+          generateReleaseNotes: true
+          artifacts: release-assets/windows/praktiKST-${{ github.ref_name }}-windows-x64.zip,release-assets/linux/praktiKST-${{ github.ref_name }}-linux-x86_64.AppImage
diff --git a/pom.xml b/pom.xml
index 52e53b5..cc71a1e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>de.x08</groupId>
     <artifactId>praktiKST</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.40.0-nightly</version>
 
     <name>praktiKST</name>
 
@@ -32,7 +32,7 @@
         <javafx.version>19.0.2.1</javafx.version>
         <jetbrains.annotations.version>24.0.1</jetbrains.annotations.version>
         <junit.version>5.10.1</junit.version>
-        <lombok.version>1.18.30</lombok.version>
+        <lombok.version>1.18.44</lombok.version>
         <mockito.version>5.7.0</mockito.version>
         <sqlite.version>3.43.2.2</sqlite.version>
 
@@ -54,8 +54,8 @@
         <pmd.version>6.55.0</pmd.version>
         <codehaus.version.plugin>2.16.1</codehaus.version.plugin>
         <javafx.maven.plugin>0.0.8</javafx.maven.plugin>
-        <spotbugs.maven.plugin>4.8.1.0</spotbugs.maven.plugin>
-        <spotbugs.version>4.8.1</spotbugs.version>
+        <spotbugs.maven.plugin>4.9.8.2</spotbugs.maven.plugin>
+        <spotbugs.version>4.9.8</spotbugs.version>
 
         <!-- other properties -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/kst4contest/ApplicationConstants.java b/src/main/java/kst4contest/ApplicationConstants.java
index 6aa35e6..20ee0f6 100644
--- a/src/main/java/kst4contest/ApplicationConstants.java
+++ b/src/main/java/kst4contest/ApplicationConstants.java
@@ -20,7 +20,7 @@ public class ApplicationConstants {
     /**
      * Name of file to store preferences in.
      */
-    public static final double APPLICATION_CURRENTVERSIONNUMBER = 1.33;
+    public static final double APPLICATION_CURRENTVERSIONNUMBER = 1.40;
 
     public static final String VERSIONINFOURLFORUPDATES_KST4CONTEST = "https://do5amf.funkerportal.de/kst4ContestVersionInfo.xml";
     public static final String VERSIONINFDOWNLOADEDLOCALFILE  = "kst4ContestVersionInfo.xml";
diff --git a/src/main/java/kst4contest/controller/ReadUDPByWintestThread.java b/src/main/java/kst4contest/controller/ReadUDPByWintestThread.java
index 7f739a0..70c71f4 100644
--- a/src/main/java/kst4contest/controller/ReadUDPByWintestThread.java
+++ b/src/main/java/kst4contest/controller/ReadUDPByWintestThread.java
@@ -205,7 +205,7 @@ public class ReadUDPByWintestThread extends Thread {
             }
 
             String formattedQRG = String.format(Locale.US, "%.1f", freqFloat);
-            this.client.getChatPreferences().getMYQRG().set(formattedQRG);
+            this.client.getChatPreferences().getMYQRGFirstCat().set(formattedQRG);
 
             System.out.println("[WinTest STATUS] stn=" + stn + ", mode=" + mode + ", qrg=" + formattedQRG);
         } catch (Exception e) {