diff --git a/.github/actions/setup-prebuild/action.yml b/.github/actions/setup-prebuild/action.yml
index 9cfc837b680..6fdd067fab4 100644
--- a/.github/actions/setup-prebuild/action.yml
+++ b/.github/actions/setup-prebuild/action.yml
@@ -17,9 +17,9 @@ inputs:
     description: "optional targets override (e.g. wasm32-unknown-unknown)"
     required: false
   enable-sccache:
-    description: "Should sccache be enabled, true by default."
+    description: "Should sccache be enabled."
     required: false
-    default: "true"
+    default: "false"
 
 runs:
   using: "composite"
@@ -46,4 +46,4 @@ runs:
         toolchain: ${{ inputs.toolchain }}
         components: ${{ inputs.components }}
         targets: ${{ inputs.targets }}
-        enable-sccache: ${{ inputs.enable-sccache }}
+        enable-sccache: "false"
diff --git a/.github/actions/setup-rust/action.yml b/.github/actions/setup-rust/action.yml
index 4f42d38167a..345a2d08f7e 100644
--- a/.github/actions/setup-rust/action.yml
+++ b/.github/actions/setup-rust/action.yml
@@ -17,9 +17,9 @@ inputs:
     description: "optional targets override (e.g. wasm32-unknown-unknown)"
     required: false
   enable-sccache:
-    description: "Should sccache be enabled, true by default."
+    description: "Should sccache be enabled."
     required: false
-    default: "true"
+    default: "false"
 
 runs:
   using: "composite"
diff --git a/.github/workflows/bench-pr.yml b/.github/workflows/bench-pr.yml
index 8223ea80a56..aad6caf2fc6 100644
--- a/.github/workflows/bench-pr.yml
+++ b/.github/workflows/bench-pr.yml
@@ -46,6 +46,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: ${{ github.event.pull_request.head.repo.fork == false && 'true' || 'false' }}
 
       - name: Install DuckDB
         run: |
diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index fc59a8156ea..13cfa9050ba 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -60,6 +60,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
 
       - name: Install DuckDB
         run: |
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54a3960ae28..5e6451d22b1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,12 +34,12 @@ jobs:
   duckdb-ready:
     name: "DuckDB libraries available in R2"
     needs: duckdb-mirror
-    if: ${{ !cancelled() }}
+    if: "!cancelled()"
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
       - name: Verify DuckDB mirror
-        if: ${{ needs.duckdb-mirror.result == 'failure' }}
+        if: needs.duckdb-mirror.result == 'failure'
         run: |
           echo "DuckDB mirror failed; downstream builds would 404"
           exit 1
@@ -68,7 +68,7 @@ jobs:
     name: "Python (lint)"
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=python-lint', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=python-lint', github.run_id)
           || 'ubuntu-latest' }}
     timeout-minutes: 10
     steps:
@@ -78,6 +78,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       # Use uvx for ruff to avoid building the Rust extension (saves ~4.5 min)
       - name: Python Lint - Format
         run: uvx ruff format --check .
@@ -95,7 +97,7 @@ jobs:
     name: "Python (test)"
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-large/image=ubuntu24-full-x64-pre-v2/tag=python-test', github.run_id)
+          && format('runs-on={0}/runner=amd64-large/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=python-test', github.run_id)
           || 'ubuntu-latest' }}
     timeout-minutes: 30
     env:
@@ -108,6 +110,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
 
       - name: Pytest - Vortex
         run: |
@@ -135,8 +139,7 @@ jobs:
   python-cuda-test:
     name: "Python CUDA (test)"
     if: github.repository == 'vortex-data/vortex'
-    runs-on: >-
-      ${{ format('runs-on={0}/runner=gpu/tag=python-cuda-test', github.run_id) }}
+    runs-on: runs-on=${{ github.run_id }}/runner=gpu/extras=s3-cache/tag=python-cuda-test
     timeout-minutes: 30
     env:
       RUST_LOG: "info,maturin=off,uv=debug"
@@ -150,6 +153,7 @@ jobs:
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           components: cargo
+          enable-sccache: "true"
       - name: Pin rustup proxy to repository toolchain
         run: |
           TOOLCHAIN="$(grep '^channel' rust-toolchain.toml | cut -d '"' -f 2)"
@@ -171,7 +175,7 @@ jobs:
     timeout-minutes: 30
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-small/image=ubuntu24-full-x64-pre-v2/tag=rust-docs', github.run_id)
+          && format('runs-on={0}/runner=amd64-small/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=rust-docs', github.run_id)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -180,6 +184,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: Docs
         env:
           # required to make sure docs build for features
@@ -196,7 +202,7 @@ jobs:
     timeout-minutes: 30
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner={1}/image=ubuntu24-full-x64-pre-v2/tag={2}', github.run_id, matrix.config.runner, matrix.config.name)
+          && format('runs-on={0}/runner={1}/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag={2}', github.run_id, matrix.config.runner, matrix.config.name)
           || 'ubuntu-latest' }}
     env:
       # disable lints for build, they will be caught in Rust lint job.
@@ -228,8 +234,10 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: Install wasm32 target
-        if: ${{ matrix.config.target == 'wasm32-unknown-unknown' }}
+        if: matrix.config.target == 'wasm32-unknown-unknown'
         run: rustup target add wasm32-unknown-unknown
       - uses: ./.github/actions/check-rebuild
         with:
@@ -244,7 +252,7 @@ jobs:
     timeout-minutes: 30
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=rust-min-deps', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=rust-min-deps', github.run_id)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -253,6 +261,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - run: cargo minimal-versions check --direct --workspace --ignore-private
 
   rust-lint:
@@ -261,7 +271,7 @@ jobs:
     timeout-minutes: 30
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-large/image=ubuntu24-full-x64-pre-v2/tag=rust-lint', github.run_id)
+          && format('runs-on={0}/runner=amd64-large/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=rust-lint', github.run_id)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -270,6 +280,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: Install nightly for fmt
         run: rustup toolchain install $NIGHTLY_TOOLCHAIN --component rustfmt
       - name: Rust Lint - Format
@@ -339,7 +351,7 @@ jobs:
     timeout-minutes: 30
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=rust-lint-no-default', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=rust-lint-no-default', github.run_id)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -348,28 +360,21 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: Rust Lint - Clippy No Default Features
         shell: bash
         run: |
           cargo hack --no-dev-deps --ignore-private clippy --profile ci --no-default-features -- -D warnings
 
-  rust-test-other:
-    name: "Rust tests (${{ matrix.os }})"
+  rust-test-windows:
+    name: "Rust tests (windows-x64)"
     needs: duckdb-ready
     timeout-minutes: 30
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: windows-x64
-            runner: runs-on=${{ github.run_id }}/pool=windows-x64-pre
-            fallback_runner: windows-latest
-          - os: linux-arm64
-            runner: runs-on=${{ github.run_id }}/runner=arm64-medium/image=ubuntu24-full-arm64-pre-v2/tag=rust-test-linux-arm64
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && matrix.runner
-          || matrix.fallback_runner }}
+          && format('runs-on={0}/pool=windows-x64-pre/extras=s3-cache', github.run_id)
+          || 'windows-latest' }}
     steps:
       - uses: runs-on/action@v2
         if: github.repository == 'vortex-data/vortex'
@@ -377,12 +382,12 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - name: Setup (Windows)
-        if: matrix.os == 'windows-x64'
         run: |
           echo "C:\rust\cargo\bin" >> $env:GITHUB_PATH
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: Rust Tests (Windows)
-        if: matrix.os == 'windows-x64'
         run: |
           cargo nextest run --cargo-profile ci --locked --workspace --all-features --no-fail-fast `
             --exclude vortex-bench `
@@ -393,12 +398,33 @@ jobs:
             --exclude lance-bench --exclude datafusion-bench --exclude random-access-bench `
             --exclude compress-bench --exclude xtask --exclude vortex-datafusion `
             --exclude gpu-scan-cli --exclude vortex-sqllogictest
-      - name: Rust Tests (Other)
-        if: matrix.os != 'windows-x64'
+
+      - name: Alert incident.io
+        if: failure() && github.event_name == 'push' && github.ref == 'refs/heads/develop'
+        uses: ./.github/actions/alert-incident-io
+        with:
+          api-key: ${{ secrets.INCIDENT_IO_ALERT_TOKEN }}
+          alert-title: "Rust tests (windows-x64) failed on develop"
+          deduplication-key: ci-rust-test-windows-x64-failure
+
+  rust-test-linux-arm64:
+    name: "Rust tests (linux-arm64)"
+    needs: duckdb-ready
+    if: github.repository == 'vortex-data/vortex'
+    timeout-minutes: 30
+    runs-on: runs-on=${{ github.run_id }}/runner=arm64-medium/image=ubuntu24-full-arm64-pre-v2/extras=s3-cache/tag=rust-test-linux-arm64
+    steps:
+      - uses: runs-on/action@v2
+        with:
+          sccache: s3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
+      - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
+      - name: Rust Tests
         run: |
           cargo nextest run --cargo-profile ci --locked --workspace --all-features --no-fail-fast --exclude vortex-bench --exclude xtask --exclude vortex-sqllogictest
       - uses: ./.github/actions/check-rebuild
-        if: matrix.os != 'windows-x64'
         with:
           command: "cargo test --profile ci --locked --workspace --all-features --no-run --exclude vortex-bench --exclude xtask --exclude vortex-sqllogictest"
 
@@ -407,14 +433,14 @@ jobs:
         uses: ./.github/actions/alert-incident-io
         with:
           api-key: ${{ secrets.INCIDENT_IO_ALERT_TOKEN }}
-          alert-title: "Rust tests (${{ matrix.os }}) failed on develop"
-          deduplication-key: ci-rust-test-${{ matrix.os }}-failure
+          alert-title: "Rust tests (linux-arm64) failed on develop"
+          deduplication-key: ci-rust-test-linux-arm64-failure
 
   build-java:
     name: "Java"
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/pool=amd64-medium-pre-v2/tag=java', github.run_id)
+          && format('runs-on={0}/pool=amd64-medium-pre-v2/extras=s3-cache/tag=java', github.run_id)
           || 'ubuntu-latest' }}
     timeout-minutes: 30
     steps:
@@ -424,6 +450,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - run: ./gradlew javadoc
         working-directory: ./java
       - run: ./gradlew check
@@ -451,7 +479,7 @@ jobs:
     timeout-minutes: 30
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=cxx-build', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=cxx-build', github.run_id)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -460,6 +488,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: Build and run C++ unit tests
         run: |
           mkdir -p vortex-cxx/build
@@ -480,7 +510,7 @@ jobs:
     needs: duckdb-ready
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=sql-logic-test', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=sql-logic-test', github.run_id)
           || 'ubuntu-latest' }}
     timeout-minutes: 30
     steps:
@@ -490,6 +520,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: Run sqllogictest tests
         run: |
           ./vortex-sqllogictest/slt/tpch/generate_data.sh
@@ -523,7 +555,7 @@ jobs:
     name: "Check generated source files are up to date"
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=generated-files', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=generated-files', github.run_id)
           || 'ubuntu-latest' }}
     timeout-minutes: 30
     steps:
@@ -533,6 +565,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: Install nightly for cbindgen macro expansion
         run: rustup toolchain install $NIGHTLY_TOOLCHAIN
       - name: "regenerate all .fbs/.proto Rust code"
@@ -563,7 +597,7 @@ jobs:
     timeout-minutes: 10
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=cxx-build', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=cxx-build', github.run_id)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -572,6 +606,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: "true"
       - name: "regenerate FFI header file"
         run: |
           cargo +$NIGHTLY_TOOLCHAIN build --profile ci -p vortex-ffi
diff --git a/.github/workflows/claude-write.yml b/.github/workflows/claude-write.yml
index acf5add785c..2b1f73d6d51 100644
--- a/.github/workflows/claude-write.yml
+++ b/.github/workflows/claude-write.yml
@@ -187,8 +187,6 @@ jobs:
 
       - name: Setup Rust toolchain
         uses: ./.github/actions/setup-rust
-        with:
-          enable-sccache: "false"
 
       - name: Install uv
         uses: spiraldb/actions/.github/actions/setup-uv@a746510eafaa926484c354541cfc49b2ec06cc63  # 0.18.6
diff --git a/.github/workflows/close-fixed-fuzzer-issues.yml b/.github/workflows/close-fixed-fuzzer-issues.yml
index ee203553ac7..9030809f5cd 100644
--- a/.github/workflows/close-fixed-fuzzer-issues.yml
+++ b/.github/workflows/close-fixed-fuzzer-issues.yml
@@ -27,7 +27,7 @@ jobs:
         target: [file_io, array_ops, compress_roundtrip]
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=arm64-medium/disk=large/tag=fuzzer-cleanup-{1}', github.run_id, matrix.target)
+          && format('runs-on={0}/runner=arm64-medium/disk=large/extras=s3-cache/tag=fuzzer-cleanup-{1}', github.run_id, matrix.target)
           || 'ubuntu-latest' }}
     timeout-minutes: 30
     steps:
@@ -42,6 +42,7 @@ jobs:
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
 
       - name: Install llvm
         uses: aminya/setup-cpp@v1
diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
index 2d04d8d35f3..8c55eb71f7c 100644
--- a/.github/workflows/codspeed.yml
+++ b/.github/workflows/codspeed.yml
@@ -58,7 +58,7 @@ jobs:
     timeout-minutes: 30
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=bench-codspeed-{1}', github.run_id, matrix.shard)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=bench-codspeed-{1}', github.run_id, matrix.shard)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -69,6 +69,8 @@ jobs:
       - name: Setup benchmark environment
         run: sudo bash scripts/setup-benchmark.sh
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
       - uses: ./.github/actions/system-info
       - run: |
           sudo apt-get update
@@ -98,7 +100,7 @@ jobs:
     name: "Build Codspeed CUDA benchmarks"
     timeout-minutes: 30
     runs-on: >-
-      runs-on=${{ github.run_id }}/family=g5/cpu=8/image=ubuntu24-gpu-x64/tag=bench-codspeed-cuda-build
+      runs-on=${{ github.run_id }}/family=g5/cpu=8/image=ubuntu24-gpu-x64/extras=s3-cache/tag=bench-codspeed-cuda-build
     steps:
       - uses: runs-on/action@v2
         with:
@@ -107,6 +109,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: "true"
       - name: Install Codspeed
         uses: taiki-e/cache-cargo-install-action@66c9585ef5ca780ee69399975a5e911f47905995
         with:
@@ -142,7 +145,7 @@ jobs:
     name: "Benchmark with Codspeed (CUDA Shard #${{ matrix.shard }} - ${{ matrix.name }})"
     timeout-minutes: 30
     runs-on: >-
-      runs-on=${{ github.run_id }}/family=g5/cpu=8/image=ubuntu24-gpu-x64/tag=bench-codspeed-cuda-${{ matrix.shard }}
+      runs-on=${{ github.run_id }}/family=g5/cpu=8/image=ubuntu24-gpu-x64/extras=s3-cache/tag=bench-codspeed-cuda-${{ matrix.shard }}
     steps:
       - uses: runs-on/action@v2
         with:
@@ -151,6 +154,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: "true"
       - name: Display NVIDIA SMI details
         run: |
           nvidia-smi
diff --git a/.github/workflows/compat-gen-upload.yml b/.github/workflows/compat-gen-upload.yml
index 8dd4cd1999e..bfc3c580307 100644
--- a/.github/workflows/compat-gen-upload.yml
+++ b/.github/workflows/compat-gen-upload.yml
@@ -25,7 +25,7 @@ jobs:
   dry-run:
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=compat-gen-dry-run', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=compat-gen-dry-run', github.run_id)
           || 'ubuntu-latest' }}
     timeout-minutes: 30
     permissions:
@@ -42,6 +42,8 @@ jobs:
         with:
           fetch-depth: 0
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
 
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@e7f100cf4c008499ea8adda475de1042d6975c7b  # v6
@@ -76,7 +78,7 @@ jobs:
     if: inputs.confirm_upload == 'yes'
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=compat-gen-upload', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=compat-gen-upload', github.run_id)
           || 'ubuntu-latest' }}
     timeout-minutes: 30
     environment: compat-upload
@@ -92,6 +94,8 @@ jobs:
         with:
           fetch-depth: 0
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
 
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@e7f100cf4c008499ea8adda475de1042d6975c7b  # v6
diff --git a/.github/workflows/compat-validation.yml b/.github/workflows/compat-validation.yml
index 8732bdfbf6d..60741d50620 100644
--- a/.github/workflows/compat-validation.yml
+++ b/.github/workflows/compat-validation.yml
@@ -25,7 +25,7 @@ jobs:
   compat-test:
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=compat-validation', github.run_id)
+          && format('runs-on={0}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=compat-validation', github.run_id)
           || 'ubuntu-latest' }}
     timeout-minutes: 30
     steps:
@@ -35,6 +35,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
       - name: Run compat tests
         run: |
           MODE="${{ inputs.mode || 'last' }}"
diff --git a/.github/workflows/cuda.yaml b/.github/workflows/cuda.yaml
index 2bd9afbbdf1..004ca7d3a49 100644
--- a/.github/workflows/cuda.yaml
+++ b/.github/workflows/cuda.yaml
@@ -54,7 +54,7 @@ jobs:
       needs.changes.outputs.run-cuda-san == 'true'
     name: "CUDA build & lint"
     timeout-minutes: 30
-    runs-on: runs-on=${{ github.run_id }}/runner=gpu/tag=cuda-build
+    runs-on: runs-on=${{ github.run_id }}/runner=gpu/extras=s3-cache/tag=cuda-build
     steps:
       - uses: runs-on/action@v2
         with:
@@ -63,6 +63,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: "true"
       - uses: ./.github/actions/check-rebuild
         with:
           command: >-
@@ -88,7 +89,7 @@ jobs:
       needs.changes.outputs.run-cuda-san == 'true'
     name: "CUDA tests"
     timeout-minutes: 30
-    runs-on: runs-on=${{ github.run_id }}/runner=gpu/tag=cuda-tests
+    runs-on: runs-on=${{ github.run_id }}/runner=gpu/extras=s3-cache/tag=cuda-tests
     steps:
       - uses: runs-on/action@v2
         with:
@@ -102,6 +103,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: "true"
       - name: Install uv
         uses: spiraldb/actions/.github/actions/setup-uv@a746510eafaa926484c354541cfc49b2ec06cc63  # 0.18.6
         with:
@@ -144,7 +146,7 @@ jobs:
       needs.changes.outputs.run-cuda-san == 'true'
     name: "CUDA tests (${{ matrix.sanitizer }})"
     timeout-minutes: 30
-    runs-on: runs-on=${{ github.run_id }}/runner=gpu/tag=cuda-test-sanitizer
+    runs-on: runs-on=${{ github.run_id }}/runner=gpu/extras=s3-cache/tag=cuda-test-sanitizer
     strategy:
       fail-fast: false
       matrix:
@@ -171,6 +173,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: "true"
       - name: Build tests
         run: cargo test --profile ci --locked -p vortex-cuda --all-features --target x86_64-unknown-linux-gnu --no-run
       - name: "CUDA - ${{ matrix.sanitizer }}"
@@ -185,7 +188,7 @@ jobs:
       needs.changes.outputs.run-cuda-san == 'true'
     name: "CUDA tests (cudf)"
     timeout-minutes: 30
-    runs-on: runs-on=${{ github.run_id }}/runner=gpu/tag=cuda-test-cudf
+    runs-on: runs-on=${{ github.run_id }}/runner=gpu/extras=s3-cache/tag=cuda-test-cudf
     steps:
       - uses: runs-on/action@v2
         with:
@@ -199,6 +202,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: "true"
       - name: Build cudf test library
         run: cargo build --profile ci --locked -p vortex-test-e2e-cuda --target x86_64-unknown-linux-gnu
       - name: Download and run cudf-test-harness
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 1a0d376f319..cee26f919d6 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -23,7 +23,6 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          enable-sccache: "false"
       - name: Set up JDK 17
         uses: actions/setup-java@ad2b38190b15e4d6bdf0c97fb4fca8412226d287  # v5
         with:
diff --git a/.github/workflows/fuzz-coverage.yml b/.github/workflows/fuzz-coverage.yml
index fd6ca8aed1b..88bfb7d01b7 100644
--- a/.github/workflows/fuzz-coverage.yml
+++ b/.github/workflows/fuzz-coverage.yml
@@ -18,7 +18,7 @@ jobs:
     timeout-minutes: 120
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=arm64-medium/disk=large', github.run_id)
+          && format('runs-on={0}/runner=arm64-medium/disk=large/extras=s3-cache', github.run_id)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -33,6 +33,7 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
           components: clippy, rustfmt, llvm-tools
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
 
       - name: Ensure llvm-tools are installed
         run: |
diff --git a/.github/workflows/fuzzer-fix-automation.yml b/.github/workflows/fuzzer-fix-automation.yml
index 7b8e7012511..0db67516346 100644
--- a/.github/workflows/fuzzer-fix-automation.yml
+++ b/.github/workflows/fuzzer-fix-automation.yml
@@ -86,7 +86,6 @@ jobs:
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
-          enable-sccache: "false"
 
       - name: Install llvm
         uses: aminya/setup-cpp@v1
diff --git a/.github/workflows/minimize_fuzz_corpus_workflow.yml b/.github/workflows/minimize_fuzz_corpus_workflow.yml
index 00f9ba73b84..b0c2fc58d50 100644
--- a/.github/workflows/minimize_fuzz_corpus_workflow.yml
+++ b/.github/workflows/minimize_fuzz_corpus_workflow.yml
@@ -36,7 +36,7 @@ jobs:
     name: "Minimize ${{ inputs.fuzz_target }}"
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=arm64-medium/disk=large/tag={1}-minimize', github.run_id, inputs.fuzz_target)
+          && format('runs-on={0}/runner=arm64-medium/disk=large/extras=s3-cache/tag={1}-minimize', github.run_id, inputs.fuzz_target)
           || 'ubuntu-latest' }}
     timeout-minutes: 240
     steps:
@@ -57,6 +57,7 @@ jobs:
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
 
       - name: Install cargo-fuzz
         uses: taiki-e/cache-cargo-install-action@66c9585ef5ca780ee69399975a5e911f47905995
diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index 3de9ac5c81d..bded979fdf8 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -39,7 +39,6 @@ jobs:
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           targets: ${{ matrix.target.target }}
-          enable-sccache: "false"
 
       - name: Install cargo-edit
         uses: taiki-e/cache-cargo-install-action@66c9585ef5ca780ee69399975a5e911f47905995
@@ -124,7 +123,6 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          enable-sccache: "false"
       - run: cargo build --release --package vortex-jni
       - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7
         with:
@@ -140,9 +138,9 @@ jobs:
       matrix:
         include:
           - target: x86_64-unknown-linux-gnu
-            runner: runs-on=${{ github.run_id }}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=prepare-java-linux-amd64
+            runner: runs-on=${{ github.run_id }}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=prepare-java-linux-amd64
           - target: aarch64-unknown-linux-gnu
-            runner: runs-on=${{ github.run_id }}/runner=arm64-medium/image=ubuntu24-full-arm64-pre-v2/tag=prepare-java-linux-arm64
+            runner: runs-on=${{ github.run_id }}/runner=arm64-medium/image=ubuntu24-full-arm64-pre-v2/extras=s3-cache/tag=prepare-java-linux-arm64
     runs-on: ${{ matrix.runner }}
     steps:
       - uses: runs-on/action@v2
@@ -157,6 +155,8 @@ jobs:
           distribution: "corretto"
           java-version: "17"
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
       - uses: mlugg/setup-zig@d1434d08867e3ee9daa34448df10607b98908d29  # v2.2.1
       - name: Install cargo-zigbuild
         uses: taiki-e/cache-cargo-install-action@66c9585ef5ca780ee69399975a5e911f47905995
diff --git a/.github/workflows/publish-dry-runs.yml b/.github/workflows/publish-dry-runs.yml
index 49f539a19e4..77ed1a15526 100644
--- a/.github/workflows/publish-dry-runs.yml
+++ b/.github/workflows/publish-dry-runs.yml
@@ -35,7 +35,6 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          enable-sccache: "false"
       - uses: mlugg/setup-zig@d1434d08867e3ee9daa34448df10607b98908d29  # v2.2.1
       - name: Install uv
         uses: spiraldb/actions/.github/actions/setup-uv@a746510eafaa926484c354541cfc49b2ec06cc63  # 0.18.6
@@ -70,9 +69,9 @@ jobs:
       matrix:
         include:
           - target: x86_64-unknown-linux-gnu
-            runner: runs-on=${{ github.run_id }}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=check-java-publish-build-amd64
+            runner: runs-on=${{ github.run_id }}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=check-java-publish-build-amd64
           - target: aarch64-unknown-linux-gnu
-            runner: runs-on=${{ github.run_id }}/runner=arm64-medium/image=ubuntu24-full-arm64-pre-v2/tag=check-java-publish-build-arm64
+            runner: runs-on=${{ github.run_id }}/runner=arm64-medium/image=ubuntu24-full-arm64-pre-v2/extras=s3-cache/tag=check-java-publish-build-arm64
     runs-on: ${{ matrix.runner }}
     steps:
       - uses: runs-on/action@v2
@@ -87,6 +86,8 @@ jobs:
           distribution: "corretto"
           java-version: "17"
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
       - uses: mlugg/setup-zig@d1434d08867e3ee9daa34448df10607b98908d29  # v2.2.1
       - name: Install cargo-zigbuild
         uses: taiki-e/cache-cargo-install-action@66c9585ef5ca780ee69399975a5e911f47905995
@@ -105,7 +106,7 @@ jobs:
     timeout-minutes: 30
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=amd64-xsmall/image=ubuntu24-full-x64-pre-v2/tag=rust-publish-dry-run', github.run_id)
+          && format('runs-on={0}/runner=amd64-xsmall/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=rust-publish-dry-run', github.run_id)
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
@@ -114,6 +115,8 @@ jobs:
           sccache: s3
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7
       - uses: ./.github/actions/setup-prebuild
+        with:
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
       - name: Install cargo-edit
         uses: taiki-e/cache-cargo-install-action@66c9585ef5ca780ee69399975a5e911f47905995
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index aba77190690..fbc76722d1c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -29,7 +29,6 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          enable-sccache: "false"
       - name: Install cargo-edit
         uses: taiki-e/cache-cargo-install-action@66c9585ef5ca780ee69399975a5e911f47905995
         with:
diff --git a/.github/workflows/release-binaries.yml b/.github/workflows/release-binaries.yml
index dcedec293c3..eb933f8a0c8 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -31,11 +31,11 @@ jobs:
           # cargo-zigbuild with glibc 2.31 pinning, matching the Python wheel
           # and JNI builds.
           - target: aarch64-unknown-linux-gnu
-            runner: runs-on=${{ github.run_id }}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=release-vx-aarch64-linux
+            runner: runs-on=${{ github.run_id }}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=release-vx-aarch64-linux
             fallback_runner: ubuntu-24.04
             archive: tgz
           - target: x86_64-unknown-linux-gnu
-            runner: runs-on=${{ github.run_id }}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/tag=release-vx-amd64-linux
+            runner: runs-on=${{ github.run_id }}/runner=amd64-medium/image=ubuntu24-full-x64-pre-v2/extras=s3-cache/tag=release-vx-amd64-linux
             fallback_runner: ubuntu-24.04
             archive: tgz
     steps:
@@ -52,7 +52,7 @@ jobs:
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           targets: ${{ matrix.target }}
-          enable-sccache: ${{ contains(matrix.target, 'linux') && 'true' || 'false' }}
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && contains(matrix.target, 'linux') && 'true' || 'false' }}
 
       - name: Setup Zig
         if: contains(matrix.target, 'linux')
diff --git a/.github/workflows/run-fuzzer.yml b/.github/workflows/run-fuzzer.yml
index e563dbefbee..35effdc6e59 100644
--- a/.github/workflows/run-fuzzer.yml
+++ b/.github/workflows/run-fuzzer.yml
@@ -64,7 +64,7 @@ jobs:
     timeout-minutes: 370  # 6 hours 10 minutes
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner={1}/disk=large/tag={2}-fuzz', github.run_id, inputs.runner, inputs.fuzz_name || inputs.fuzz_target)
+          && format('runs-on={0}/runner={1}/disk=large/extras=s3-cache/tag={2}-fuzz', github.run_id, inputs.runner, inputs.fuzz_name || inputs.fuzz_target)
           || 'ubuntu-latest' }}
     outputs:
       crashes_found: ${{ steps.check.outputs.crashes_found }}
@@ -82,6 +82,7 @@ jobs:
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
+          enable-sccache: ${{ github.repository == 'vortex-data/vortex' && 'true' || 'false' }}
 
       - name: Install llvm
         uses: aminya/setup-cpp@v1
diff --git a/.github/workflows/sql-benchmarks.yml b/.github/workflows/sql-benchmarks.yml
index b8c2d08f64f..0f9fdcb9eb1 100644
--- a/.github/workflows/sql-benchmarks.yml
+++ b/.github/workflows/sql-benchmarks.yml
@@ -541,6 +541,7 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
+          enable-sccache: ${{ (inputs.mode != 'pr' || github.event.pull_request.head.repo.fork == false) && 'true' || 'false' }}
       - name: Install uv
         uses: spiraldb/actions/.github/actions/setup-uv@a746510eafaa926484c354541cfc49b2ec06cc63  # 0.18.6
         with:
diff --git a/.github/workflows/wasm-fuzz.yml b/.github/workflows/wasm-fuzz.yml
index d61b3b60598..30a688447f9 100644
--- a/.github/workflows/wasm-fuzz.yml
+++ b/.github/workflows/wasm-fuzz.yml
@@ -33,7 +33,6 @@ jobs:
           toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
           targets: "wasm32-wasip1"
           components: "rust-src"
-          enable-sccache: "false"
 
       - name: Build WASM fuzz target
         run: |
diff --git a/.github/workflows/web.yml b/.github/workflows/web.yml
index d03a2b45d14..7ba67e2b245 100644
--- a/.github/workflows/web.yml
+++ b/.github/workflows/web.yml
@@ -48,7 +48,6 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          enable-sccache: "false"
       - name: Install wasm-pack
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
         working-directory: .
@@ -75,7 +74,6 @@ jobs:
       - uses: ./.github/actions/setup-rust
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          enable-sccache: "false"
       - name: Install wasm-pack
         run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
         working-directory: .