Merge branch 'danmar:master' into chr_638

Author: chrchr-github

.github/workflows/CI-mingw.yml

@@ -33,6 +33,9 @@ jobs:
         exclude:
           - msystem: CLANG64
             compiler: g++
+          # the mingw-w64-i686-clang package is no longer available
+          - msystem: MINGW32
+            compiler: clang++
       fail-fast: false
 
     runs-on: windows-2025

.github/workflows/CI-windows.yml

@@ -32,10 +32,10 @@ jobs:
       - name: Setup msbuild.exe
         uses: microsoft/setup-msbuild@v2
 
-      - name: Set up Python 3.13
+      - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: '3.13'
+          python-version: '3.14'
           check-latest: true
 
       - name: Install missing Python packages

.github/workflows/clang-tidy.yml

@@ -42,7 +42,7 @@ jobs:
 
       - name: Prepare CMake
         run: |
-          cmake -S . -B cmake.output -Werror=dev --warn-uninitialized -DCMAKE_COMPILE_WARNING_AS_ERROR=On -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
+          cmake -S . -B cmake.output -Werror=dev --warn-uninitialized -DCMAKE_CXX_STANDARD=23 -DCMAKE_COMPILE_WARNING_AS_ERROR=On -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
         env:
           CXX: clang-22