diff --git a/.github/actions/build-anari-sdk/action.yml b/.github/actions/build-anari-sdk/action.yml
index 757e254fc..fd8781edc 100644
--- a/.github/actions/build-anari-sdk/action.yml
+++ b/.github/actions/build-anari-sdk/action.yml
@@ -22,37 +22,12 @@ outputs:
 runs:
   using: 'composite'
   steps:
-    # Resolve the live upstream commit so the cache invalidates when the tracked
-    # branch moves — build_deps pulls a branch zip whose local files never change.
-    # The branch is derived from the build_deps URL itself so there is a single
-    # source of truth: change the URL and the cache key follows.
-    - name: Resolve ANARI-SDK commit
-      id: resolve-sha
-      shell: bash
-      run: |
-        cmakelists="${{ github.workspace }}/${{ inputs.build-deps-path }}/CMakeLists.txt"
-        ref=$(grep -oE 'ANARI-SDK/archive/refs/heads/[^"]+\.zip' "$cmakelists" \
-          | sed -E 's#.*refs/heads/(.+)\.zip#\1#')
-        if [ -z "$ref" ]; then
-          echo "Could not derive ANARI-SDK branch from $cmakelists" >&2
-          exit 1
-        fi
-        sha=$(git ls-remote https://github.com/KhronosGroup/ANARI-SDK "refs/heads/$ref" | cut -f1)
-        if [ -z "$sha" ]; then
-          echo "Failed to resolve ANARI-SDK '$ref' commit" >&2
-          exit 1
-        fi
-        echo "sha=$sha" >> "$GITHUB_OUTPUT"
-        # Slug of the build_deps path guards the key so rtx/tsd never share an
-        # entry if their build_deps diverge (Actions expressions lack replace()).
-        echo "slug=$(echo '${{ inputs.build-deps-path }}' | tr '/' '-')" >> "$GITHUB_OUTPUT"
-
     - name: Cache ANARI-SDK
       uses: actions/cache@v4
       id: cache-anari
       with:
         path: ${{ inputs.install-prefix }}
-        key: anari-sdk-${{ runner.os }}-${{ inputs.config }}-${{ steps.resolve-sha.outputs.slug }}-${{ steps.resolve-sha.outputs.sha }}
+        key: anari-sdk-${{ runner.os }}-${{ inputs.config }}-${{ inputs.generator || 'default' }}-${{ hashFiles('**/build_deps/CMakeLists.txt', '**/build_deps/superbuild_macros.cmake') }}
 
     - name: Configure ANARI-SDK CMake (with generator)
       if: steps.cache-anari.outputs.cache-hit != 'true' && inputs.generator != ''
diff --git a/.github/workflows/build-tsd.yml b/.github/workflows/build-tsd.yml
index 596da26fe..6ceee78c8 100644
--- a/.github/workflows/build-tsd.yml
+++ b/.github/workflows/build-tsd.yml
@@ -14,11 +14,6 @@ on:
       - '.github/actions/**'
       - '.github/workflows/build-tsd.yml'
 
-# Cancel superseded PR runs; let next_release pushes finish (green history).
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
-
 jobs:
   build:
     runs-on: ${{ matrix.runs-on }}
@@ -33,26 +28,14 @@ jobs:
           - os: windows
             runs-on: windows-2022
             generator: Ninja
-    env:
-      SCCACHE_DIR: ${{ github.workspace }}/.sccache
-      SCCACHE_GHA_ENABLED: "false"
     steps:
     - uses: actions/checkout@v6
     - name: Setup MSVC (Windows)
       if: runner.os == 'Windows'
-      uses: ilammy/msvc-dev-cmd@a102174a2b586eec2ea151a69e6fd14404a8ce7c # v1.13.0
+      uses: ilammy/msvc-dev-cmd@v1
     - name: Install Packages
       if: ${{ matrix.os == 'linux' }}
       run: sudo apt install -y libtbb-dev
-    - name: Setup sccache
-      uses: mozilla-actions/sccache-action@d651010b8da762cde178750d8eda7b5febfe147a # v0.0.9
-    - name: Restore sccache
-      uses: actions/cache/restore@v4
-      with:
-        path: ${{ env.SCCACHE_DIR }}
-        key: sccache-tsd-${{ runner.os }}-${{ matrix.config }}-${{ github.sha }}
-        restore-keys: |
-          sccache-tsd-${{ runner.os }}-${{ matrix.config }}-
     - name: Build ANARI-SDK
       uses: ./.github/actions/build-anari-sdk
       with:
@@ -65,9 +48,6 @@ jobs:
         cmake -LA -G Ninja -B ${{github.workspace}}/build
         -DCMAKE_PREFIX_PATH=${{ github.workspace }}/deps
         -DCMAKE_BUILD_TYPE=${{ matrix.config }}
-        -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
-        -DCMAKE_POLICY_DEFAULT_CMP0141=NEW
-        -DCMAKE_MSVC_DEBUG_INFORMATION_FORMAT=Embedded
         -DTSD_BUILD_APPS=ON
         -DTSD_BUILD_INTERACTIVE_APPS=OFF
         -DTSD_BUILD_UI_LIBRARY=OFF
@@ -84,14 +64,6 @@ jobs:
     - name: Unit Tests
       working-directory: ${{  github.workspace }}/build
       run: ctest -C ${{ matrix.config }} --output-on-failure
-    - name: sccache stats
-      run: sccache --show-stats
-    - name: Save sccache
-      if: success() && github.event_name == 'push'
-      uses: actions/cache/save@v4
-      with:
-        path: ${{ env.SCCACHE_DIR }}
-        key: sccache-tsd-${{ runner.os }}-${{ matrix.config }}-${{ github.sha }}
 
   build-cuda:
     runs-on: ${{ matrix.runs-on }}
@@ -107,14 +79,11 @@ jobs:
           - os: windows
             runs-on: windows-2022
             generator: Ninja
-    env:
-      SCCACHE_DIR: ${{ github.workspace }}/.sccache
-      SCCACHE_GHA_ENABLED: "false"
     steps:
     - uses: actions/checkout@v6
     - name: Setup MSVC (Windows)
       if: runner.os == 'Windows'
-      uses: ilammy/msvc-dev-cmd@a102174a2b586eec2ea151a69e6fd14404a8ce7c # v1.13.0
+      uses: ilammy/msvc-dev-cmd@v1
     - name: Setup CUDA Toolkit
       uses: ./.github/actions/setup-cuda
       with:
@@ -122,15 +91,6 @@ jobs:
     - name: Install Packages
       if: ${{ matrix.os == 'linux' }}
       run: sudo apt install -y libtbb-dev
-    - name: Setup sccache
-      uses: mozilla-actions/sccache-action@d651010b8da762cde178750d8eda7b5febfe147a # v0.0.9
-    - name: Restore sccache
-      uses: actions/cache/restore@v4
-      with:
-        path: ${{ env.SCCACHE_DIR }}
-        key: sccache-tsd-${{ runner.os }}-cuda${{ matrix.cudaversion }}-${{ matrix.config }}-${{ github.sha }}
-        restore-keys: |
-          sccache-tsd-${{ runner.os }}-cuda${{ matrix.cudaversion }}-${{ matrix.config }}-
     - name: Build ANARI-SDK
       uses: ./.github/actions/build-anari-sdk
       with:
@@ -143,10 +103,6 @@ jobs:
         cmake -LA -G Ninja -B ${{github.workspace}}/build-tsd
         -DCMAKE_PREFIX_PATH=${{ github.workspace }}/deps
         -DCMAKE_BUILD_TYPE=${{ matrix.config }}
-        -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
-        -DCMAKE_CUDA_COMPILER_LAUNCHER=sccache
-        -DCMAKE_POLICY_DEFAULT_CMP0141=NEW
-        -DCMAKE_MSVC_DEBUG_INFORMATION_FORMAT=Embedded
         -DTSD_BUILD_APPS=ON
         -DTSD_BUILD_INTERACTIVE_APPS=OFF
         -DTSD_BUILD_UI_LIBRARY=OFF
@@ -160,11 +116,3 @@ jobs:
         ${{ github.workspace }}/tsd
     - name: Build TSD (CUDA)
       run: cmake --build ${{ github.workspace }}/build-tsd --config ${{ matrix.config }} --parallel
-    - name: sccache stats
-      run: sccache --show-stats
-    - name: Save sccache
-      if: success() && github.event_name == 'push'
-      uses: actions/cache/save@v4
-      with:
-        path: ${{ env.SCCACHE_DIR }}
-        key: sccache-tsd-${{ runner.os }}-cuda${{ matrix.cudaversion }}-${{ matrix.config }}-${{ github.sha }}
diff --git a/.github/workflows/build-visrtx.yml b/.github/workflows/build-visrtx.yml
index 5ad7fdc06..348716570 100644
--- a/.github/workflows/build-visrtx.yml
+++ b/.github/workflows/build-visrtx.yml
@@ -13,11 +13,6 @@ on:
       - '.github/actions/**'
       - '.github/workflows/build-visrtx.yml'
 
-# Cancel superseded PR runs; let next_release pushes finish (green history).
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
-
 jobs:
   build:
     strategy:
@@ -34,28 +29,16 @@ jobs:
             runs-on: windows-2022
             generator: Ninja
     runs-on: ${{ matrix.runs-on }}
-    env:
-      SCCACHE_DIR: ${{ github.workspace }}/.sccache
-      SCCACHE_GHA_ENABLED: "false"
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
       - name: Setup MSVC (Windows)
         if: runner.os == 'Windows'
-        uses: ilammy/msvc-dev-cmd@a102174a2b586eec2ea151a69e6fd14404a8ce7c # v1.13.0
+        uses: ilammy/msvc-dev-cmd@v1
       - name: Setup CUDA Toolkit
         uses: ./.github/actions/setup-cuda
         with:
           cuda-version: ${{ matrix.cudaversion }}
-      - name: Setup sccache
-        uses: mozilla-actions/sccache-action@d651010b8da762cde178750d8eda7b5febfe147a # v0.0.9
-      - name: Restore sccache
-        uses: actions/cache/restore@v4
-        with:
-          path: ${{ env.SCCACHE_DIR }}
-          key: sccache-visrtx-${{ runner.os }}-cuda${{ matrix.cudaversion }}-${{ matrix.config }}-${{ github.sha }}
-          restore-keys: |
-            sccache-visrtx-${{ runner.os }}-cuda${{ matrix.cudaversion }}-${{ matrix.config }}-
       - name: Build ANARI-SDK
         uses: ./.github/actions/build-anari-sdk
         with:
@@ -69,10 +52,6 @@ jobs:
           -DCMAKE_BUILD_TYPE=${{ matrix.config }}
           -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/install
           -DCMAKE_PREFIX_PATH=${{ github.workspace }}/deps
-          -DCMAKE_CXX_COMPILER_LAUNCHER=sccache
-          -DCMAKE_CUDA_COMPILER_LAUNCHER=sccache
-          -DCMAKE_POLICY_DEFAULT_CMP0141=NEW
-          -DCMAKE_MSVC_DEBUG_INFORMATION_FORMAT=Embedded
           -DVISRTX_BUILD_RTX_DEVICE=ON
           -DVISRTX_PRECOMPILE_SHADERS=OFF
           -DVISRTX_BUILD_GL_DEVICE=OFF
@@ -80,11 +59,3 @@ jobs:
       - name: Install VisRTX
         run: >
           cmake --build ${{ github.workspace }}/build-visrtx --config ${{ matrix.config }} --target install --parallel
-      - name: sccache stats
-        run: sccache --show-stats
-      - name: Save sccache
-        if: success() && github.event_name == 'push'
-        uses: actions/cache/save@v4
-        with:
-          path: ${{ env.SCCACHE_DIR }}
-          key: sccache-visrtx-${{ runner.os }}-cuda${{ matrix.cudaversion }}-${{ matrix.config }}-${{ github.sha }}