diff --git a/.github/workflows/v37-exitfix-build.yml b/.github/workflows/v37-exitfix-build.yml
new file mode 100644
index 0000000..68dd413
--- /dev/null
+++ b/.github/workflows/v37-exitfix-build.yml
@@ -0,0 +1,63 @@
+name: Temporary V37.1 ExitFix build
+
+on:
+  push:
+    branches:
+      - test/v37-exitfix
+
+permissions:
+  contents: read
+
+jobs:
+  build-exitfix:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout ExitFix
+        uses: actions/checkout@v4
+
+      - name: Install Zig
+        uses: mlugg/setup-zig@v2
+        with:
+          version: '0.16.0'
+
+      - name: Build standalone variants
+        shell: bash
+        run: |
+          set -euo pipefail
+          zig build all-variants -Doptimize=ReleaseSmall \
+            -Dweirdperformance=false \
+            -Doutline=true \
+            -Dcustomassets=true \
+            -Dtransmogfix=true
+
+      - name: Assemble package
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -rf package dist
+          mkdir -p package/DLL
+          mkdir -p package/Interface/AddOns/WeirdUtils_Outline
+          mkdir -p dist
+
+          cp zig-out/variants/customassets.dll package/DLL/customassets.dll
+          cp zig-out/variants/transmogfix.dll package/DLL/transmogfix.dll
+          cp zig-out/variants/outline.dll package/DLL/outline.dll
+
+          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/Bindings.xml
+          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/Outline.lua
+          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/WeirdUtils_Outline.toc
+
+          printf '%s\n'             'WeirdUtils V37.1 ExitFix'             'Visual renderer identical to V37 Retail Falloff.'             'Shutdown changes only:'             '- block late D3D9 rehook once shutdown starts'             '- detach model hooks before D3D9 cleanup'             '- skip heavy COM/D3D9 cleanup during whole-process termination'             'WeirdPerformance is not built or modified.' > package/README_TEST.txt
+
+          (
+            cd package
+            sha256sum DLL/*.dll > SHA256SUMS.txt
+            zip -r ../dist/WeirdUtils_safe_core_V8_RETAIL37_1_EXITFIX_AUTOFIX_ORIGINAL_WeirdPerformance.zip DLL Interface README_TEST.txt SHA256SUMS.txt
+          )
+
+      - name: Upload package
+        uses: actions/upload-artifact@v4
+        with:
+          name: WeirdUtils-safe-core-V8-RETAIL37-1-EXITFIX-AUTOFIX
+          path: dist/WeirdUtils_safe_core_V8_RETAIL37_1_EXITFIX_AUTOFIX_ORIGINAL_WeirdPerformance.zip
+          if-no-files-found: error