diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index 0e0ade4b..d804c89d 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -79,15 +79,17 @@ runs:
           echo "cargo_tools=$expanded" >> "$GITHUB_OUTPUT"
         fi
 
+    # Note: sccache is skipped on Windows ARM64 due to missing binaries
+    # See: https://github.com/Mozilla-Actions/sccache-action/issues/189
     - name: Configure Sccache
-      if: inputs.enable-sccache == 'true'
+      if: inputs.enable-sccache == 'true' && !(runner.os == 'Windows' && runner.arch == 'ARM64')
       shell: bash
       run: |
         echo "SCCACHE_GHA_ENABLED=true" >> "$GITHUB_ENV"
         echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"
 
     - name: Start Sccache
-      if: inputs.enable-sccache == 'true'
+      if: inputs.enable-sccache == 'true' && !(runner.os == 'Windows' && runner.arch == 'ARM64')
       uses: mozilla-actions/sccache-action@v0.0.9
       with:
         version: ${{ env.SCCACHE_VERSION }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f6348484..ebf011d9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest, windows-latest, ubuntu-24.04-arm, windows-11-arm]
     steps:
       # prep
       - name: Checkout
@@ -48,7 +48,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest, windows-latest, ubuntu-24.04-arm, windows-11-arm]
     steps:
       # prep
       - name: Checkout
@@ -198,13 +198,22 @@ jobs:
           delete: true
 
   extended-analysis:
+    name: extended-analysis (${{ matrix.os }})
     if: github.event_name == 'pull_request'
     needs: [testing, static-analysis]
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+          - os: ubuntu-24.04-arm
+            target: aarch64-unknown-linux-gnu
+          - os: windows-11-arm
+            target: aarch64-pc-windows-msvc
     steps:
       # prep
       - name: Checkout
@@ -222,7 +231,7 @@ jobs:
         run: cargo +${{ env.RUST_NIGHTLY }} udeps --all-features --workspace --color always
       - name: Careful
         if: success() || failure()
-        run: cargo +${{ env.RUST_NIGHTLY }} careful nextest run --all-features --workspace --color always --target ${{ runner.os == 'Linux' && 'x86_64-unknown-linux-gnu' || 'x86_64-pc-windows-msvc' }}
+        run: cargo +${{ env.RUST_NIGHTLY }} careful nextest run --all-features --workspace --color always --target ${{ matrix.target }}
       - name: Miri
         if: success() || failure()
         run: cargo +${{ env.RUST_NIGHTLY }} miri test --all-features --workspace
@@ -259,7 +268,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        # Note: windows-11-arm excluded due to LLVM coverage instrumentation bugs
+        # causing "malformed instrumentation profile data: symbol name is empty" errors
+        os: [ubuntu-latest, windows-latest, ubuntu-24.04-arm]
     steps:
       # prep
       - name: Checkout