diff --git a/.github/workflows/main-build.yml b/.github/workflows/main-build.yml
index 7bed681..09af7b0 100644
--- a/.github/workflows/main-build.yml
+++ b/.github/workflows/main-build.yml
@@ -1,83 +1,83 @@
-name: GitHub action build
-on: push
+# # name: GitHub action build
+# # on: push
 
-jobs:
-  main-build:
+# # jobs:
+# #   main-build:
 
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest, buildjet-4vcpu-ubuntu-2204-arm]
-    env:
-      TEST_COVERAGE: ${{ matrix.os == 'ubuntu-latest' }}
-      NO_NET481: ${{ matrix.os == 'buildjet-4vcpu-ubuntu-2204-arm' }}
-      DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
-      DOTNET_CLI_TELEMETRY_OPTOUT: 1
-      DOTNET_NOLOGO: true
+# #     runs-on: ${{ matrix.os }}
+# #     strategy:
+# #       fail-fast: false
+# #       matrix:
+# #         os: [ubuntu-latest, windows-latest, macos-latest, buildjet-4vcpu-ubuntu-2204-arm]
+# #     env:
+# #       TEST_COVERAGE: ${{ matrix.os == 'ubuntu-latest' }}
+# #       NO_NET481: ${{ matrix.os == 'buildjet-4vcpu-ubuntu-2204-arm' }}
+# #       DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+# #       DOTNET_CLI_TELEMETRY_OPTOUT: 1
+# #       DOTNET_NOLOGO: true
 
-    steps:
-    - name: GIT checkout
-      uses: actions/checkout@v4
+# #     steps:
+# #     - name: GIT checkout
+# #       uses: actions/checkout@v4
 
-    - name: Setup .NET 9
-      uses: actions/setup-dotnet@v4
-      with:
-        dotnet-version: 9.0.x
+# #     - name: Setup .NET 9
+# #       uses: actions/setup-dotnet@v4
+# #       with:
+# #         dotnet-version: 9.0.x
 
-    - name: Run build script
-      working-directory: scripts
-      shell: bash
-      run: |
-        if [ "$TEST_COVERAGE" == "true" ]
-        then
-          ./dotnet_build.sh test_coverage
-        elif [ "$NO_NET481" == "true" ]
-        then
-          ./dotnet_build.sh no_net481
-        else
-          ./dotnet_build.sh
-        fi
+# #     - name: Run build script
+# #       working-directory: scripts
+# #       shell: bash
+# #       run: |
+# #         if [ "$TEST_COVERAGE" == "true" ]
+# #         then
+# #           ./dotnet_build.sh test_coverage
+# #         elif [ "$NO_NET481" == "true" ]
+# #         then
+# #           ./dotnet_build.sh no_net481
+# #         else
+# #           ./dotnet_build.sh
+# #         fi
 
-    - name: Run benchmarks
-      working-directory: release
-      shell: bash
-      run: dotnet ../benchmarks/Fastenshtein.Benchmarking/bin/Release/net9.0/Fastenshtein.Benchmarking.dll
+# #     - name: Run benchmarks
+# #       working-directory: release
+# #       shell: bash
+# #       run: dotnet ../benchmarks/Fastenshtein.Benchmarking/bin/Release/net9.0/Fastenshtein.Benchmarking.dll
 
-    - name: Upload benchmarks results
-      uses: actions/upload-artifact@v4
-      with:
-        name: benchmarks-results-${{ matrix.os }}
-        path: release/BenchmarkDotNet.Artifacts
-        if-no-files-found: error
+# #     - name: Upload benchmarks results
+# #       uses: actions/upload-artifact@v4
+# #       with:
+# #         name: benchmarks-results-${{ matrix.os }}
+# #         path: release/BenchmarkDotNet.Artifacts
+# #         if-no-files-found: error
 
-    - name: Upload test coverage to Coveralls
-      if: env.TEST_COVERAGE == 'true'
-      uses: coverallsapp/github-action@v2
-      with:
-        format: lcov
-        files: release/coverage.net9.info release/coverage.net481.info
+# #     - name: Upload test coverage to Coveralls
+# #       if: env.TEST_COVERAGE == 'true'
+# #       uses: coverallsapp/github-action@v2
+# #       with:
+# #         format: lcov
+# #         files: release/coverage.net9.info release/coverage.net481.info
 
-    - name: Upload dotnet info
-      uses: actions/upload-artifact@v4
-      if: env.TEST_COVERAGE == 'true'
-      with:
-        name: Built with
-        path: release/dotnet_info.txt
-        if-no-files-found: error
+# #     - name: Upload dotnet info
+# #       uses: actions/upload-artifact@v4
+# #       if: env.TEST_COVERAGE == 'true'
+# #       with:
+# #         name: Built with
+# #         path: release/dotnet_info.txt
+# #         if-no-files-found: error
 
-    - name: Upload test coverage
-      uses: actions/upload-artifact@v4
-      if: env.TEST_COVERAGE == 'true'
-      with:
-        name: test coverage
-        path: release/coverage.*.info
-        if-no-files-found: error
+# #     - name: Upload test coverage
+# #       uses: actions/upload-artifact@v4
+# #       if: env.TEST_COVERAGE == 'true'
+# #       with:
+# #         name: test coverage
+# #         path: release/coverage.*.info
+# #         if-no-files-found: error
 
-    - name: Upload NuGet packages
-      uses: actions/upload-artifact@v4
-      if: env.TEST_COVERAGE == 'true'
-      with:
-        name: NuGet packages
-        path: release/Fastenshtein.*upkg
-        if-no-files-found: error
+# #     - name: Upload NuGet packages
+# #       uses: actions/upload-artifact@v4
+# #       if: env.TEST_COVERAGE == 'true'
+# #       with:
+# #         name: NuGet packages
+# #         path: release/Fastenshtein.*upkg
+# #         if-no-files-found: error
diff --git a/appveyor.yml b/appveyor.yml
index 01084be..7ceb4d6 100755
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,5 @@
 image:
-  - Visual Studio 2022
-  - Ubuntu
-  - macOS
+  - Ubuntu2204
 install:
   - pwsh: |
       if ($isWindows) {