diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
index 82f5d280..0a52d4bb 100644
--- a/.github/workflows/CompatHelper.yml
+++ b/.github/workflows/CompatHelper.yml
@@ -18,7 +18,7 @@ jobs:
         run: which julia
         continue-on-error: true
       - name: Install Julia, but only if it is not already available in the PATH
-        uses: julia-actions/setup-julia@v2
+        uses: julia-actions/setup-julia@v3
         with:
           version: '1'
           arch: ${{ runner.arch }}
diff --git a/.github/workflows/Enzyme.yml b/.github/workflows/Enzyme.yml
index ff3a2944..5f6afb61 100644
--- a/.github/workflows/Enzyme.yml
+++ b/.github/workflows/Enzyme.yml
@@ -42,7 +42,7 @@ jobs:
           path: downstream
 
       # install Julia
-      - uses: julia-actions/setup-julia@v2
+      - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
diff --git a/.github/workflows/Test.yml b/.github/workflows/Test.yml
index 2bbbdacc..84299f67 100644
--- a/.github/workflows/Test.yml
+++ b/.github/workflows/Test.yml
@@ -16,41 +16,40 @@ concurrency:
 
 jobs:
   binary_test:
-    name: Julia ${{ matrix.version }} ${{ matrix.llvm_args }} - ${{ matrix.os }} - ${{ matrix.arch }}
+    name: Julia ${{ matrix.version }} ${{ matrix.llvm_args }} - ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     timeout-minutes: 15
     strategy:
       fail-fast: false
       matrix:
         version: ['1.10', '1.11', '1.12', '1.13-nightly', 'nightly']
-        os: ['ubuntu-latest', 'macOS-latest', 'windows-latest']
-        arch: [x64]
+        os: ['ubuntu-latest', 'ubuntu-24.04-arm', 'macOS-latest', 'windows-latest']
         llvm_args: ['']
         include:
-          # starting with Julia 1.10, we can enable opaque pointers
+          # on Julia 1.10 and 1.11, also test non-default opaque pointers
           - version: '1.10'
             os: 'ubuntu-latest'
-            arch: 'x64'
+            llvm_args: '--opaque-pointers'
+          - version: '1.10'
+            os: 'ubuntu-24.04-arm'
             llvm_args: '--opaque-pointers'
           - version: '1.10'
             os: 'macOS-latest'
-            arch: 'x64'
             llvm_args: '--opaque-pointers'
           - version: '1.10'
             os: 'windows-latest'
-            arch: 'x64'
             llvm_args: '--opaque-pointers'
           - version: '1.11'
             os: 'ubuntu-latest'
-            arch: 'x64'
+            llvm_args: '--opaque-pointers'
+          - version: '1.11'
+            os: 'ubuntu-24.04-arm'
             llvm_args: '--opaque-pointers'
           - version: '1.11'
             os: 'macOS-latest'
-            arch: 'x64'
             llvm_args: '--opaque-pointers'
           - version: '1.11'
             os: 'windows-latest'
-            arch: 'x64'
             llvm_args: '--opaque-pointers'
     steps:
       - uses: actions/checkout@v6
@@ -58,10 +57,9 @@ jobs:
           fetch-depth: 0  # build_ci.jl needs to be able to inspect the git log
 
       # install Julia
-      - uses: julia-actions/setup-julia@v2
+      - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}
-          arch: ${{ matrix.arch }}
 
       # set-up packages
       - uses: julia-actions/cache@v3
diff --git a/.github/workflows/TestAsserts.yml b/.github/workflows/TestAsserts.yml
index 20cf49b8..10f75e54 100644
--- a/.github/workflows/TestAsserts.yml
+++ b/.github/workflows/TestAsserts.yml
@@ -27,22 +27,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        version: ['1.11', '1.12', '1.13', 'master']
+        llvm_args: ['']
         include:
-          - version: 'master'
-            build: 'x86_64-linux-gnuassert'
-            llvm_args: ''
+          # on Julia 1.11, also test non-default opaque pointers
           - version: '1.11'
-            build: 'x86_64-linux-gnuassert'
             llvm_args: '--opaque-pointers'
-          - version: '1.11'
-            build: 'x86_64-linux-gnuassert'
-            llvm_args: ''
-          - version: '1.12'
-            build: 'x86_64-linux-gnuassert'
-            llvm_args: ''
-          - version: '1.13'
-            build: 'x86_64-linux-gnuassert'
-            llvm_args: ''
     steps:
       - name: Report in-progress
         uses: actions/github-script@v8
@@ -126,6 +116,7 @@ jobs:
               {version: '1.11', llvm_args: '--opaque-pointers'},
               {version: '1.11', llvm_args: ''},
               {version: '1.12', llvm_args: ''},
+              {version: '1.13', llvm_args: ''},
             ];
             await Promise.all(entries.map(({version, llvm_args}) =>
               github.rest.checks.create({