diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b70fa4e..95f52ef 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,6 +2,8 @@ name: build
 
 on:
   push:
+    branches:
+      - master
     tags:
       - '*'
 
@@ -36,7 +38,7 @@ jobs:
   build-ubuntu:
     strategy:
       matrix:
-        tag: [focal, groovy]
+        tag: [focal, hirsute, impish, jammy]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
@@ -59,7 +61,7 @@ jobs:
   build-debian:
     strategy:
       matrix:
-        tag: [buster, bullseye]
+        tag: [bullseye, bookworm]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
@@ -93,6 +95,8 @@ jobs:
         files: |
           gotify-tray-installer-win.exe
           gotify-tray_amd64_ubuntu_focal.deb
-          gotify-tray_amd64_ubuntu_groovy.deb
-          gotify-tray_amd64_debian_buster.deb
+          gotify-tray_amd64_ubuntu_hirsute.deb
+          gotify-tray_amd64_ubuntu_impish.deb
+          gotify-tray_amd64_ubuntu_jammy.deb
           gotify-tray_amd64_debian_bullseye.deb
+          gotify-tray_amd64_debian_bookworm.deb
diff --git a/.github/workflows/develop.yml b/.github/workflows/develop.yml
new file mode 100644
index 0000000..337b2c3
--- /dev/null
+++ b/.github/workflows/develop.yml
@@ -0,0 +1,57 @@
+name: build
+
+on:
+  push:
+    branches:
+      - '!master'
+
+jobs:
+
+  build-win64:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v2
+      with:
+          python-version: '3.9.5'
+    - name: Upgrade pip and enable wheel support
+      run: python -m pip install --upgrade pip setuptools wheel
+    - name: Install Requirements
+      run: |
+        pip install -r requirements.txt
+        pip install pyinstaller
+      shell: bash
+    - name: Build
+      run: |
+        powershell -File build-win.ps1
+        mv inno-output\gotify-tray-installer.exe gotify-tray-installer-win.exe
+      shell: cmd
+    - name: Upload artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: gotify-tray-installer-win.exe
+        path: gotify-tray-installer-win.exe
+
+  build-ubuntu:
+    strategy:
+      matrix:
+        tag: [focal]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+          python-version: '3.9.5'
+    - name: Upgrade pip and enable wheel support
+      run: python -m pip install --upgrade pip setuptools wheel
+    - name: Build
+      run: |
+        make build
+        cp dist/gotify-tray_amd64.deb gotify-tray_amd64_ubuntu_${{ matrix.tag }}.deb
+    - name: Upload artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: gotify-tray_amd64_ubuntu_${{ matrix.tag }}.deb
+        path: gotify-tray_amd64_ubuntu_${{ matrix.tag }}.deb
diff --git a/gotify_tray/database/default_settings.py b/gotify_tray/database/default_settings.py
index 4376c1b..58bb0ea 100644
--- a/gotify_tray/database/default_settings.py
+++ b/gotify_tray/database/default_settings.py
@@ -16,11 +16,11 @@ DEFAULT_SETTINGS = {
     "tray/notifications/icon/show": True,
     "watchdog/interval/s": 60,
     "MessageWidget/image/size": 33,
-    "MessageWidget/font/title": "Noto Sans,12,-1,5,75,0,0,0,0,0,Bold",
-    "MessageWidget/font/date": "Noto Sans,11,-1,5,50,1,0,0,0,0,Italic",
-    "MessageWidget/font/message": "Noto Sans,11,-1,5,50,0,0,0,0,0,Regular",
-    "ApplicationItem/font": "Noto Sans,10,-1,5,50,0,0,0,0,0,Regular",
-    "MainWindow/font/application": "Noto Sans,13,-1,5,75,0,0,0,0,0,Bold",
+    "MessageWidget/font/title": "Helvetica,13,-1,5,75,0,0,0,0,0,Bold",
+    "MessageWidget/font/date": "Helvetica,11,-1,5,50,1,0,0,0,0,Italic",
+    "MessageWidget/font/message": "Helvetica,12,-1,5,50,0,0,0,0,0,Regular",
+    "ApplicationItem/font": "Helvetica,12,-1,5,50,0,0,0,0,0,Regular",
+    "MainWindow/font/application": "Helvetica,14,-1,5,75,0,0,0,0,0,Bold",
     "MainWindow/label/size": 25,
     "MainWindow/button/size": 33,
     "MainWindow/application/icon/size": 40,
diff --git a/gotify_tray/gotify/api.py b/gotify_tray/gotify/api.py
index 432ca19..c7b53f2 100644
--- a/gotify_tray/gotify/api.py
+++ b/gotify_tray/gotify/api.py
@@ -113,13 +113,17 @@ class GotifyClient(GotifySession):
 
     def upload_application_image(
         self, application_id: int, img_path: str
-    ) -> Optional[GotifyApplicationModel]:
+    ) -> Optional[Union[GotifyApplicationModel, GotifyErrorModel]]:
         try:
             with open(img_path, "rb") as f:
                 response = self._post(
                     f"/application/{application_id}/image", files={"file": f}
                 )
-            return response.json() if response.ok else None
+            return (
+                GotifyApplicationModel(response.json())
+                if response.ok
+                else GotifyErrorModel(response)
+            )
         except FileNotFoundError:
             logger.error(
                 f"GotifyClient.upload_application_image: image '{img_path}' not found."
diff --git a/setup.py b/setup.py
index a5f490f..a11ee3e 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@ with open("version.txt", "r") as f:
 
 # What packages are required for this module to be executed?
 REQUIRED = [
-    'requests', 'PyQt6', 'websocket-client'
+    'requests', 'PyQt6', 'websocket-client', 'python-dateutil'
 ]
 
 # What packages are optional?