diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index 719dedc..0000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,58 +0,0 @@
-# Build glabels windows installer.
-#
-# Currently, only builds snapshots and is triggered by the travis CI build.
-
-
-version: 3.99.0.{build}
-
-branches:
-  # blacklist
-  except:
-    - /.*/
-
-  # whitelist
-  only:
-    - master
-
-skip_non_tags: true
-  
-image: Visual Studio 2017
-
-init:
-  - git config --global core.autocrlf true
-
-install:
-  # Locate Qt installation
-  - set QTDIR=c:\Qt\5.11\msvc2017_64
-  - set PATH=%PATH%;%QTDIR%\bin
-  # Zlib and QREncode
-  - vcpkg install zlib:x64-windows
-  - vcpkg install libqrencode:x64-windows
-  - vcpkg integrate install
-  
-build_script:
-  - git checkout master # re-attach to master to satisfy auto version tooling
-  - mkdir build
-  - cd build
-  - cmake -G "Visual Studio 15 2017 Win64" .. -DCMAKE_PREFIX_PATH=%QTDIR% -DCMAKE_TOOLCHAIN_FILE=C:/Tools/vcpkg/scripts/buildsystems/vcpkg.cmake
-  - cmake --build . --config Release
-  - ctest -C Release
-  - cpack -C Release -G NSIS64
-  - set /P VERSION=<VERSION
-  - move glabels-3.99.0-win64.exe glabels-%VERSION%-win64.exe
-
-artifacts:
-  - path: build\glabels-%VERSION%-win64.exe
-    name: windows-installer
-
-deploy:
-  - provider: GitHub
-    release: glabels-%VERSION%
-    artifact: windows-installer
-    auth_token:
-      secure: mPNNgwWP58gu4eA2wVwGkGWNTzJigKj1g/XjsZ9vk03rLMmf5fxC/XNr15fPBCi8
-    draft: false
-    prerelease: true
-    force_update: true
-    on:
-      branch: master
diff --git a/.github/workflows/tag-snapshot.yml b/.github/workflows/tag-snapshot.yml
new file mode 100644
index 0000000..3b1738b
--- /dev/null
+++ b/.github/workflows/tag-snapshot.yml
@@ -0,0 +1,34 @@
+name: Tag Snapshot
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  create-release:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        # Checkout full-depth to facilitate auto versioning
+        fetch-depth: 0
+
+    - name: Set strings
+      id: strings
+      shell: bash
+      run: |
+        echo "version=3.99-master$(git rev-list --count master --)" >> "$GITHUB_OUTPUT"
+
+    - name: Create GitHub Release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ steps.strings.outputs.version }}
+        body: "Pre-4.0 development snapshot release"
+        draft: false
+        prerelease: true
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 1738090..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,125 +0,0 @@
-language: cpp
-
-# blocklist
-branches:
-  except:
-    - /.*/ # Everything
-
-# safelist
-branches:
-  only:
-    - master
-
-matrix:
-  include:
-
-  #####################
-  #
-  # Linux build
-  #
-  #####################
-  - name: "Linux"
-    os: linux
-    dist: bionic
-    sudo: require
-    env:
-      - QMAKE_PATH=/usr/lib/x86_64-linux-gnu/qt5/bin/qmake
-    
-    install:
-      - sudo apt-get -y install qtbase5-dev libqt5svg5-dev qttools5-dev
-      - sudo apt-get -y install xvfb
-      - sudo apt-get -y install pkgconf libqrencode-dev
-      - sudo apt-get -y install barcode
-      # Install zint from source
-      - wget https://downloads.sourceforge.net/project/zint/zint/2.12.0/zint-2.12.0-src.tar.gz && tar xzf zint-2.12.0-src.tar.gz && ( cd zint-2.12.0-src && mkdir build && cd build && cmake .. && make && sudo make install )
-      - export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
-
-    before_script:
-      - git fetch --unshallow # restore repository depth to properly count commits in auto versioning
-      - git checkout master   # re-attach to master to satisfy auto versioning
-
-    script:
-      - mkdir build
-      - cd build
-      - cmake .. -DCMAKE_INSTALL_PREFIX=/usr
-      - make -j4
-      - xvfb-run ctest
-      - VERSION=$(cat VERSION)
-
-    after_success:
-      # Download AppImage QT deployment tool (local snapshot -- original at github/probono)
-      - wget -c "https://github.com/j-evins/linuxdeployqt/releases/download/continuous/linuxdeployqt-continuous-x86_64.AppImage" 
-      - chmod a+x linuxdeployqt*.AppImage
-      #
-      # Create AppImage
-      #
-      - make DESTDIR=appdir install
-      - unset QTDIR; unset QT_PLUGIN_PATH
-      - ./linuxdeployqt*.AppImage ./appdir/usr/share/applications/*.desktop -qmake=${QMAKE_PATH} -bundle-non-qt-libs
-      - ./linuxdeployqt*.AppImage ./appdir/usr/share/applications/*.desktop -qmake=${QMAKE_PATH} -appimage
-      - mv ./gLabels*.AppImage glabels-${VERSION}-x86_64.AppImage
-
-    before_deploy:
-      - git config --local user.name "Jaye Evins (Travis CI)"
-      - git config --local user.email evins@snaught.com
-      - git tag -f -a glabels-${VERSION} -m "glabels-${VERSION} CI"
-
-    deploy:
-      provider: releases
-      api_key: ${GITHUB_TOKEN}
-      file:
-        - glabels-${VERSION}-x86_64.AppImage
-      draft: false
-      prerelease: true
-      skip_cleanup: true
-
-
-#  #####################
-#  #
-#  # MacOS build
-#  #
-#  #####################
-#  - name: "MacOS"
-#    os: osx
-#
-#    install:
-#      - brew install qt
-#
-#    before_script:
-#      - git fetch --unshallow # restore repository depth to properly count commits in auto versioning
-#      - git checkout master   # re-attach to master to satisfy auto versioning
-#
-#    script:
-#      - mkdir build
-#      - cd build
-#      - cmake .. -DCMAKE_PREFIX_PATH=/usr/local/opt/qt
-#      - make -j4
-#      #- ctest --verbose
-#      - VERSION=$(cat VERSION)
-
-
-#  #####################
-#  #
-#  # Windows build
-#  #
-#  #####################
-#  - name: "Windows"
-#    os: windows
-#
-#    before_script:
-#      - git fetch --unshallow # restore repository depth to properly count commits in auto versioning
-#      - git checkout master   # re-attach to master to satisfy auto versioning
-#
-#    script:
-#      - mkdir build
-#      - cd build
-#      #- cmake .. -G "Visual Studio 15 2017 Win64"
-#      #- cmake --build . --config Release
-#      #- ctest -C Release
-#      #- VERSION=$(cat VERSION)
-#
-#    after_success:
-#      #
-#      # Create Windows Installer
-#      #
-#      #- cpack -C Release -G NSIS64