diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index d37c53067..deb6047a0 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -70,6 +70,66 @@ jobs:
       - name: Test
         run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure
 
+  # Visual Studio 2026 (v145 toolset) on the windows-2025 image. The "Visual Studio
+  # 18 2026" generator requires CMake 4.2+, so a recent CMake is fetched explicitly.
+  msvc-vs2026:
+    strategy:
+      matrix:
+        build_type: [Debug, Release]
+        architecture: [Win32, x64]
+        std_version: [default, latest]
+
+    runs-on: windows-2025
+
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - name: Get latest CMake and ninja
+        uses: lukka/get-cmake@f5b8fbb4d77cec1acc5a5f9f0df4beffaf5d98d9 # v4.3.4
+      - name: Set extra CXX_FLAGS for latest std_version
+        run: |
+          if [ "${{ matrix.std_version }}" = "latest" ]; then
+            echo "flags=/permissive- /std:c++latest /utf-8 /W4 /WX" >> $GITHUB_ENV
+          else
+            echo "flags=/W4 /WX" >> $GITHUB_ENV
+          fi
+        shell: bash
+      - name: Run CMake (Release)
+        run: cmake -S . -B build -G "Visual Studio 18 2026" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="$env:flags"
+        if: matrix.build_type == 'Release'
+        shell: pwsh
+      - name: Run CMake (Debug)
+        run: cmake -S . -B build -G "Visual Studio 18 2026" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="$env:flags"
+        if: matrix.build_type == 'Debug'
+        shell: pwsh
+      - name: Build
+        run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
+      - name: Test
+        run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure
+
+  # Native ARM64 Windows runner with the MSVC ARM64 toolset. The windows-11-arm
+  # label is only available for public repositories.
+  msvc-arm64:
+    strategy:
+      matrix:
+        build_type: [Debug, Release]
+
+    runs-on: windows-11-arm
+
+    steps:
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - name: Run CMake (Release)
+        run: cmake -S . -B build -G "Visual Studio 17 2022" -A ARM64 -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX"
+        if: matrix.build_type == 'Release'
+        shell: pwsh
+      - name: Run CMake (Debug)
+        run: cmake -S . -B build -G "Visual Studio 17 2022" -A ARM64 -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="/W4 /WX"
+        if: matrix.build_type == 'Debug'
+        shell: pwsh
+      - name: Build
+        run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
+      - name: Test
+        run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure
+
   clang:
     runs-on: windows-2022
     strategy:
diff --git a/docs/mkdocs/docs/community/quality_assurance.md b/docs/mkdocs/docs/community/quality_assurance.md
index fd12e281f..5fc1dcfa5 100644
--- a/docs/mkdocs/docs/community/quality_assurance.md
+++ b/docs/mkdocs/docs/community/quality_assurance.md
@@ -82,8 +82,8 @@ violations will result in a failed build.
         | GNU 14.2.0                                   | arm64        | Linux 6.1.100                     | Cirrus CI |
         | GNU 15.1.0                                   | x86_64       | Ubuntu 22.04.1 LTS                | GitHub    |
         | icpc (ICC) 2021.5.0 20211109                 | x86_64       | Ubuntu 20.04.3 LTS                | GitHub    |
-        | icpx (Intel oneAPI DPC++/C++) 2025.x         | x86_64       | Ubuntu 22.04.1 LTS                | GitHub    |
-        | nvc++ (NVIDIA HPC SDK) 25.5                  | x86_64       | Ubuntu 22.04.1 LTS                | GitHub    |
+        | icpx (Intel oneAPI DPC++/C++) 2025.3.2       | x86_64       | Ubuntu 24.04 LTS                  | GitHub    |
+        | nvc++ (NVIDIA HPC SDK) 25.5-0                | x86_64       | Ubuntu 22.04 LTS                  | GitHub    |
         | MSVC 19.0.24241.7                            | x86          | Windows 8.1                       | AppVeyor  |
         | MSVC 19.16.27035.0                           | x86          | Windows-10 (Build 14393)          | AppVeyor  |
         | MSVC 19.29.30157.0                           | x86          | Windows-10 (Build 17763)          | AppVeyor  |