Initial GHA for 2026

Author: walbourn

.github/workflows/msbuild.yml

@@ -42,7 +42,7 @@ jobs:
             platform: ARM64
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Add MSBuild to PATH
         uses: microsoft/setup-msbuild@6fb02220983dee41ce7ae257b6f4d8f9bf5ed4ce # v2.0.0
@@ -82,3 +82,26 @@ jobs:
           msbuild /m /p:Configuration=${{ matrix.build_type }} /p:Platform=${{ matrix.platform }}
           /p:SpectreMitigation=Spectre
           DirectXMesh_Desktop_${{ matrix.vs }}_Win10.sln
+
+  build2026:
+    runs-on: windows-2025-vs2026
+
+    strategy:
+      fail-fast: false
+
+      matrix:
+        build_type: [Debug, Release]
+        platform: [x86, x64, ARM64]
+
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Add MSBuild to PATH
+        uses: microsoft/setup-msbuild@6fb02220983dee41ce7ae257b6f4d8f9bf5ed4ce # v2.0.0
+
+      - name: 'Build VS 2026'
+        working-directory: ${{ github.workspace }}
+        run: >
+          msbuild /m /p:Configuration=${{ matrix.build_type }} /p:Platform=${{ matrix.platform }}
+          DirectXMesh_Desktop_2026_Win10.slnx
+