From 3deb0a8019e607411bdb94ef45f5bb6e2b2ec218 Mon Sep 17 00:00:00 2001
From: bitsandfoxes <reg@bitfox.at>
Date: Sun, 25 Oct 2026 07:19:53 +0100
Subject: [PATCH 1/7] Key the IntegrationTest Library cache on its inputs
 instead of the run id

---
 .github/workflows/ci.yml                      | 2 +-
 .github/workflows/test-build-android.yml      | 2 +-
 .github/workflows/test-build-ios.yml          | 2 +-
 .github/workflows/test-build-linux.yml        | 7 ++++---
 .github/workflows/test-build-macos.yml        | 7 ++++---
 .github/workflows/test-build-windows-mono.yml | 7 ++++---
 .github/workflows/test-build-windows-x86.yml  | 7 ++++---
 .github/workflows/test-build-windows.yml      | 7 ++++---
 8 files changed, 23 insertions(+), 18 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54f8e98ae..84edd5fd6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -191,7 +191,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ matrix.unity-version }}-${{ github.run_id }}
+          key: it-library-ubuntu-${{ matrix.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
           restore-keys: |
             it-library-ubuntu-${{ matrix.unity-version }}-
 
diff --git a/.github/workflows/test-build-android.yml b/.github/workflows/test-build-android.yml
index 4c3dce1a2..98588b3a9 100644
--- a/.github/workflows/test-build-android.yml
+++ b/.github/workflows/test-build-android.yml
@@ -56,7 +56,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
           restore-keys: |
             it-library-ubuntu-${{ env.UNITY_VERSION }}-
 
diff --git a/.github/workflows/test-build-ios.yml b/.github/workflows/test-build-ios.yml
index 0c19205ff..a6b528e39 100644
--- a/.github/workflows/test-build-ios.yml
+++ b/.github/workflows/test-build-ios.yml
@@ -62,7 +62,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
           restore-keys: |
             it-library-ubuntu-${{ env.UNITY_VERSION }}-
 
diff --git a/.github/workflows/test-build-linux.yml b/.github/workflows/test-build-linux.yml
index 2488d1414..a89f567b6 100644
--- a/.github/workflows/test-build-linux.yml
+++ b/.github/workflows/test-build-linux.yml
@@ -64,10 +64,11 @@ jobs:
         run: tar -xvzf test-project.tar.gz
 
       - name: Restore Unity Library cache
+        id: cache-library
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
           restore-keys: |
             it-library-ubuntu-${{ env.UNITY_VERSION }}-
 
@@ -176,11 +177,11 @@ jobs:
           retention-days: 14
 
       - name: Save Unity Library cache
-        if: github.ref == 'refs/heads/main'
+        if: github.ref == 'refs/heads/main' && steps.cache-library.outputs.cache-hit != 'true'
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: ${{ steps.cache-library.outputs.cache-primary-key }}
 
       - name: Docker diagnostics on failure
         if: ${{ failure() }}
diff --git a/.github/workflows/test-build-macos.yml b/.github/workflows/test-build-macos.yml
index 1677c14ea..62c25610d 100644
--- a/.github/workflows/test-build-macos.yml
+++ b/.github/workflows/test-build-macos.yml
@@ -43,10 +43,11 @@ jobs:
         run: tar -xvzf test-project.tar.gz
 
       - name: Restore Unity Library cache
+        id: cache-library
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-macos-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: it-library-macos-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
           restore-keys: |
             it-library-macos-${{ env.UNITY_VERSION }}-
 
@@ -159,11 +160,11 @@ jobs:
           retention-days: 14
 
       - name: Save Unity Library cache
-        if: github.ref == 'refs/heads/main'
+        if: github.ref == 'refs/heads/main' && steps.cache-library.outputs.cache-hit != 'true'
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-macos-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: ${{ steps.cache-library.outputs.cache-primary-key }}
 
       - name: Upload IntegrationTest project on failure
         if: ${{ failure() }}
diff --git a/.github/workflows/test-build-windows-mono.yml b/.github/workflows/test-build-windows-mono.yml
index 84b4f48b4..2e60a05fc 100644
--- a/.github/workflows/test-build-windows-mono.yml
+++ b/.github/workflows/test-build-windows-mono.yml
@@ -43,10 +43,11 @@ jobs:
         run: tar -xvzf test-project.tar.gz
 
       - name: Restore Unity Library cache
+        id: cache-library
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-mono-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: it-library-windows-mono-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
           restore-keys: |
             it-library-windows-mono-${{ env.UNITY_VERSION }}-
 
@@ -99,11 +100,11 @@ jobs:
           retention-days: 14
 
       - name: Save Unity Library cache
-        if: github.ref == 'refs/heads/main'
+        if: github.ref == 'refs/heads/main' && steps.cache-library.outputs.cache-hit != 'true'
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-mono-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: ${{ steps.cache-library.outputs.cache-primary-key }}
 
       - name: Upload IntegrationTest project on failure
         if: ${{ failure() }}
diff --git a/.github/workflows/test-build-windows-x86.yml b/.github/workflows/test-build-windows-x86.yml
index 0479f343c..1a2356108 100644
--- a/.github/workflows/test-build-windows-x86.yml
+++ b/.github/workflows/test-build-windows-x86.yml
@@ -43,10 +43,11 @@ jobs:
         run: tar -xvzf test-project.tar.gz
 
       - name: Restore Unity Library cache
+        id: cache-library
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-x86-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: it-library-windows-x86-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
           restore-keys: |
             it-library-windows-x86-${{ env.UNITY_VERSION }}-
 
@@ -111,11 +112,11 @@ jobs:
           retention-days: 14
 
       - name: Save Unity Library cache
-        if: github.ref == 'refs/heads/main'
+        if: github.ref == 'refs/heads/main' && steps.cache-library.outputs.cache-hit != 'true'
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-x86-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: ${{ steps.cache-library.outputs.cache-primary-key }}
 
       - name: Upload IntegrationTest project on failure
         if: ${{ failure() }}
diff --git a/.github/workflows/test-build-windows.yml b/.github/workflows/test-build-windows.yml
index cf5f748c9..9ac6b344b 100644
--- a/.github/workflows/test-build-windows.yml
+++ b/.github/workflows/test-build-windows.yml
@@ -43,10 +43,11 @@ jobs:
         run: tar -xvzf test-project.tar.gz
 
       - name: Restore Unity Library cache
+        id: cache-library
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: it-library-windows-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
           restore-keys: |
             it-library-windows-${{ env.UNITY_VERSION }}-
 
@@ -159,11 +160,11 @@ jobs:
           retention-days: 14
 
       - name: Save Unity Library cache
-        if: github.ref == 'refs/heads/main'
+        if: github.ref == 'refs/heads/main' && steps.cache-library.outputs.cache-hit != 'true'
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-${{ env.UNITY_VERSION }}-${{ github.run_id }}
+          key: ${{ steps.cache-library.outputs.cache-primary-key }}
 
       - name: Upload IntegrationTest project on failure
         if: ${{ failure() }}

From 522a7d70a5743b2bccd9de38bece290dbc3f9aab Mon Sep 17 00:00:00 2001
From: bitsandfoxes <reg@bitfox.at>
Date: Sun, 25 Oct 2026 07:19:53 +0100
Subject: [PATCH 2/7] Include the full Unity version in the
 build-without-Sentry cache keys

---
 .github/workflows/ci.yml                 | 4 ++--
 .github/workflows/test-build-android.yml | 4 ++--
 .github/workflows/test-build-ios.yml     | 4 ++--
 .github/workflows/test-build-linux.yml   | 4 ++--
 .github/workflows/test-build-macos.yml   | 4 ++--
 .github/workflows/test-build-windows.yml | 4 ++--
 .github/workflows/test-compile-ios.yml   | 4 ++--
 7 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84edd5fd6..eee0b2693 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -200,7 +200,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-${{ matrix.build_platform }}-${{ matrix.unity-version }}
+          key: build-nosentry-${{ matrix.build_platform }}-${{ matrix.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt') }}
 
       - name: Build without Sentry SDK
         if: steps.cache-build-nosentry.outputs.cache-hit != 'true'
@@ -213,7 +213,7 @@ jobs:
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-${{ matrix.build_platform }}-${{ matrix.unity-version }}
+          key: ${{ steps.cache-build-nosentry.outputs.cache-primary-key }}
 
       - name: Download UPM package
         uses: ./.github/actions/wait-for-artifact
diff --git a/.github/workflows/test-build-android.yml b/.github/workflows/test-build-android.yml
index 98588b3a9..08eff7133 100644
--- a/.github/workflows/test-build-android.yml
+++ b/.github/workflows/test-build-android.yml
@@ -65,7 +65,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-Android-${{ inputs.unity-version }}
+          key: build-nosentry-Android-${{ inputs.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt') }}
 
       - name: Build without Sentry SDK
         if: steps.cache-build-nosentry.outputs.cache-hit != 'true'
@@ -76,7 +76,7 @@ jobs:
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-Android-${{ inputs.unity-version }}
+          key: ${{ steps.cache-build-nosentry.outputs.cache-primary-key }}
 
       - name: Download UPM package
         uses: ./.github/actions/wait-for-artifact
diff --git a/.github/workflows/test-build-ios.yml b/.github/workflows/test-build-ios.yml
index a6b528e39..637123e0d 100644
--- a/.github/workflows/test-build-ios.yml
+++ b/.github/workflows/test-build-ios.yml
@@ -71,7 +71,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-iOS-${{ inputs.unity-version }}
+          key: build-nosentry-iOS-${{ inputs.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt') }}
 
       - name: Build without Sentry SDK
         if: steps.cache-build-nosentry.outputs.cache-hit != 'true'
@@ -82,7 +82,7 @@ jobs:
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-iOS-${{ inputs.unity-version }}
+          key: ${{ steps.cache-build-nosentry.outputs.cache-primary-key }}
 
       - name: Create archive for build without Sentry
         shell: bash
diff --git a/.github/workflows/test-build-linux.yml b/.github/workflows/test-build-linux.yml
index a89f567b6..766c67e27 100644
--- a/.github/workflows/test-build-linux.yml
+++ b/.github/workflows/test-build-linux.yml
@@ -77,7 +77,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-Linux-${{ inputs.unity-version }}
+          key: build-nosentry-Linux-${{ inputs.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt') }}
 
       - name: Build without Sentry SDK
         if: steps.cache-build-nosentry.outputs.cache-hit != 'true'
@@ -88,7 +88,7 @@ jobs:
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-Linux-${{ inputs.unity-version }}
+          key: ${{ steps.cache-build-nosentry.outputs.cache-primary-key }}
 
       - name: Download UPM package
         uses: ./.github/actions/wait-for-artifact
diff --git a/.github/workflows/test-build-macos.yml b/.github/workflows/test-build-macos.yml
index 62c25610d..6b0564a85 100644
--- a/.github/workflows/test-build-macos.yml
+++ b/.github/workflows/test-build-macos.yml
@@ -56,7 +56,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-MacOS-${{ inputs.unity-version }}
+          key: build-nosentry-MacOS-${{ inputs.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt') }}
 
       - name: Build without Sentry SDK
         if: steps.cache-build-nosentry.outputs.cache-hit != 'true'
@@ -67,7 +67,7 @@ jobs:
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-MacOS-${{ inputs.unity-version }}
+          key: ${{ steps.cache-build-nosentry.outputs.cache-primary-key }}
 
       - name: Download UPM package
         uses: ./.github/actions/wait-for-artifact
diff --git a/.github/workflows/test-build-windows.yml b/.github/workflows/test-build-windows.yml
index 9ac6b344b..b748d86de 100644
--- a/.github/workflows/test-build-windows.yml
+++ b/.github/workflows/test-build-windows.yml
@@ -56,7 +56,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-Windows-${{ inputs.unity-version }}
+          key: build-nosentry-Windows-${{ inputs.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt') }}
 
       - name: Build without Sentry SDK
         if: steps.cache-build-nosentry.outputs.cache-hit != 'true'
@@ -67,7 +67,7 @@ jobs:
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Build-NoSentry
-          key: build-nosentry-Windows-${{ inputs.unity-version }}
+          key: ${{ steps.cache-build-nosentry.outputs.cache-primary-key }}
 
       - name: Download UPM package
         uses: ./.github/actions/wait-for-artifact
diff --git a/.github/workflows/test-compile-ios.yml b/.github/workflows/test-compile-ios.yml
index 3fa80582d..eb42e978e 100644
--- a/.github/workflows/test-compile-ios.yml
+++ b/.github/workflows/test-compile-ios.yml
@@ -31,7 +31,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: IntegrationTest-NoSentry.app
-          key: build-nosentry-iOS-compiled-${{ inputs.unity-version }}
+          key: build-nosentry-iOS-compiled-${{ inputs.unity-version }}-${{ hashFiles('scripts/unity-versions.json') }}
 
       - name: Download build without Sentry (for size comparison)
         if: ${{ inputs.init-type == 'runtime' && steps.cache-compiled-nosentry.outputs.cache-hit != 'true' }}
@@ -62,7 +62,7 @@ jobs:
         uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: IntegrationTest-NoSentry.app
-          key: build-nosentry-iOS-compiled-${{ inputs.unity-version }}
+          key: ${{ steps.cache-compiled-nosentry.outputs.cache-primary-key }}
 
       - name: Download app project
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1

From 53e04913c1ffcea33f6b4276129b46c593a82825 Mon Sep 17 00:00:00 2001
From: bitsandfoxes <reg@bitfox.at>
Date: Sun, 25 Oct 2026 07:19:53 +0100
Subject: [PATCH 3/7] Drop the never-hit IntegrationTest project cache

---
 .github/workflows/test-create.yml | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/.github/workflows/test-create.yml b/.github/workflows/test-create.yml
index 067df280d..0fb666ec9 100644
--- a/.github/workflows/test-create.yml
+++ b/.github/workflows/test-create.yml
@@ -33,33 +33,15 @@ jobs:
         username: ${{ env.GITHUB_ACTOR }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
-    - name: Restore IntegrationTest Project cache
-      id: cache-project
-      uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
-      with:
-        path: samples/IntegrationTest
-        key: IntegrationTest-Project-${{ env.UNITY_VERSION }}-${{ hashFiles('test/Scripts.Integration.Test/**') }}-v1
-        restore-keys: |
-          IntegrationTest-Project-${{ env.UNITY_VERSION }}-
-
     - name: Start the Unity docker container
-      if: steps.cache-project.outputs.cache-hit != 'true'
       run: ./scripts/ci-docker.sh "$UNITY_VERSION" 'base' "$UNITY_LICENSE_SERVER_CONFIG"
       shell: bash
       env:
         UNITY_LICENSE_SERVER_CONFIG: ${{ secrets.UNITY_LICENSE_SERVER_CONFIG }}
 
     - name: Create new Project
-      if: steps.cache-project.outputs.cache-hit != 'true'
       run: ./test/Scripts.Integration.Test/create-project.ps1 -UnityPath "$env:UNITY_PATH"
 
-    - name: Save IntegrationTest Project cache
-      if: github.ref == 'refs/heads/main' && steps.cache-project.outputs.cache-hit != 'true'
-      uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
-      with:
-        path: samples/IntegrationTest
-        key: IntegrationTest-Project-${{ env.UNITY_VERSION }}-${{ hashFiles('test/Scripts.Integration.Test/**') }}-v1
-
     # We create tar explicitly because upload-artifact is slow for many files.
     - name: Create archive
       run: tar -cvzf test-project.tar.gz samples/IntegrationTest

From 10b82937b92b4735dca1e8bcea7bd632a8c09820 Mon Sep 17 00:00:00 2001
From: bitsandfoxes <reg@bitfox.at>
Date: Sun, 25 Oct 2026 07:19:53 +0100
Subject: [PATCH 4/7] Skip the submodule checkout on a native SDK cache hit

---
 .github/workflows/sdk.yml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/sdk.yml b/.github/workflows/sdk.yml
index d565d5539..ca2ddbd66 100644
--- a/.github/workflows/sdk.yml
+++ b/.github/workflows/sdk.yml
@@ -42,9 +42,6 @@ jobs:
         env:
           SUBMODULES: ${{ steps.env.outputs.submodules }}
 
-      - name: Update submobules
-        run: git submodule update --init --recursive ${{ steps.env.outputs.submodules }}
-
       - run: |
           if [[ "${{ env.TARGET }}" == "Cocoa" ]]; then
             cp -r package-dev/Plugins/iOS sdk-static/ || echo "never mind, no iOS files checked in..."
@@ -65,6 +62,10 @@ jobs:
             package-dev/Plugins
           key: sdk=${{ env.TARGET }}-${{ hashFiles('submodules-status', 'package/package.json', 'Directory.Build.targets', 'build/native-sdks.targets', 'sdk-static/**', 'scripts/build-cocoa-sdk.ps1', 'scripts/build-native-ndk-local.ps1') }}
 
+      - name: Update submodules
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: git submodule update --init --recursive ${{ steps.env.outputs.submodules }}
+
       - name: Installing Linux Dependencies
         if: ${{ (env.TARGET == 'Linux' || env.TARGET == 'LinuxNative') && steps.cache.outputs.cache-hit != 'true' }}
         shell: bash

From c699705d6ad92200d675511f264d8806ad841e3f Mon Sep 17 00:00:00 2001
From: bitsandfoxes <reg@bitfox.at>
Date: Sun, 25 Oct 2026 07:22:31 +0100
Subject: [PATCH 5/7] Key the compiled iOS baseline on its own Unity version
 only

---
 .github/workflows/test-compile-ios.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test-compile-ios.yml b/.github/workflows/test-compile-ios.yml
index eb42e978e..d6368ecc3 100644
--- a/.github/workflows/test-compile-ios.yml
+++ b/.github/workflows/test-compile-ios.yml
@@ -25,13 +25,19 @@ jobs:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
+      - name: Resolve Unity version
+        if: ${{ inputs.init-type == 'runtime' }}
+        id: unity
+        shell: bash
+        run: echo "version=$(jq -r --arg v "$UNITY_VERSION" '.[$v].version' scripts/unity-versions.json)" >> "$GITHUB_OUTPUT"
+
       - name: Restore cached compiled iOS build without Sentry
         if: ${{ inputs.init-type == 'runtime' }}
         id: cache-compiled-nosentry
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: IntegrationTest-NoSentry.app
-          key: build-nosentry-iOS-compiled-${{ inputs.unity-version }}-${{ hashFiles('scripts/unity-versions.json') }}
+          key: build-nosentry-iOS-compiled-${{ steps.unity.outputs.version }}
 
       - name: Download build without Sentry (for size comparison)
         if: ${{ inputs.init-type == 'runtime' && steps.cache-compiled-nosentry.outputs.cache-hit != 'true' }}

From ee1e0e7a691f7b269010f73d98b5a6b4e6e14567 Mon Sep 17 00:00:00 2001
From: bitsandfoxes <reg@bitfox.at>
Date: Sun, 25 Oct 2026 12:16:47 +0100
Subject: [PATCH 6/7] Save the unity-of-bugs Library cache on main only

---
 .github/workflows/build.yml | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1412b9590..457777864 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,8 +50,9 @@ jobs:
           $v = (Get-Content scripts/unity-versions.json -Raw | ConvertFrom-Json).'${{ env.UNITY_VERSION }}'.version
           "unityVersion=$v" >> $env:GITHUB_OUTPUT
 
-      - name: Cache Unity Library
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+      - name: Restore Unity Library cache
+        id: cache-library
+        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/unity-of-bugs/Library
           key: Library-unity-of-bugs-${{ steps.env.outputs.unityVersion }}-v1
@@ -190,3 +191,10 @@ jobs:
         with:
           name: Test results (editmode) - ${{ env.UNITY_VERSION }}
           path: artifacts/test/editmode
+
+      - name: Save Unity Library cache
+        if: github.ref == 'refs/heads/main' && steps.cache-library.outputs.cache-hit != 'true'
+        uses: actions/cache/save@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        with:
+          path: samples/unity-of-bugs/Library
+          key: ${{ steps.cache-library.outputs.cache-primary-key }}

From c0dc82227c095be8b88f990a9fb4eca4d6591025 Mon Sep 17 00:00:00 2001
From: bitsandfoxes <reg@bitfox.at>
Date: Sun, 25 Oct 2026 12:21:36 +0100
Subject: [PATCH 7/7] Key the IntegrationTest Library cache only on the files
 copied into the project

---
 .github/workflows/ci.yml                      | 2 +-
 .github/workflows/test-build-android.yml      | 2 +-
 .github/workflows/test-build-ios.yml          | 2 +-
 .github/workflows/test-build-linux.yml        | 2 +-
 .github/workflows/test-build-macos.yml        | 2 +-
 .github/workflows/test-build-windows-mono.yml | 2 +-
 .github/workflows/test-build-windows-x86.yml  | 2 +-
 .github/workflows/test-build-windows.yml      | 2 +-
 8 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eee0b2693..ffe88fe82 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -191,7 +191,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ matrix.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
+          key: it-library-ubuntu-${{ matrix.unity-version }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/Editor/**', 'test/Scripts.Integration.Test/Scenes/**', 'test/Scripts.Integration.Test/Scripts/**', 'test/Scripts.Integration.Test/DependencyConflictPackage/**', 'test/Scripts.Integration.Test/create-project.ps1', 'test/Scripts.Integration.Test/add-sentry.ps1') }}
           restore-keys: |
             it-library-ubuntu-${{ matrix.unity-version }}-
 
diff --git a/.github/workflows/test-build-android.yml b/.github/workflows/test-build-android.yml
index 08eff7133..e9bdada9e 100644
--- a/.github/workflows/test-build-android.yml
+++ b/.github/workflows/test-build-android.yml
@@ -56,7 +56,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
+          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/Editor/**', 'test/Scripts.Integration.Test/Scenes/**', 'test/Scripts.Integration.Test/Scripts/**', 'test/Scripts.Integration.Test/DependencyConflictPackage/**', 'test/Scripts.Integration.Test/create-project.ps1', 'test/Scripts.Integration.Test/add-sentry.ps1') }}
           restore-keys: |
             it-library-ubuntu-${{ env.UNITY_VERSION }}-
 
diff --git a/.github/workflows/test-build-ios.yml b/.github/workflows/test-build-ios.yml
index 637123e0d..4fcc7b886 100644
--- a/.github/workflows/test-build-ios.yml
+++ b/.github/workflows/test-build-ios.yml
@@ -62,7 +62,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
+          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/Editor/**', 'test/Scripts.Integration.Test/Scenes/**', 'test/Scripts.Integration.Test/Scripts/**', 'test/Scripts.Integration.Test/DependencyConflictPackage/**', 'test/Scripts.Integration.Test/create-project.ps1', 'test/Scripts.Integration.Test/add-sentry.ps1') }}
           restore-keys: |
             it-library-ubuntu-${{ env.UNITY_VERSION }}-
 
diff --git a/.github/workflows/test-build-linux.yml b/.github/workflows/test-build-linux.yml
index 766c67e27..375642a54 100644
--- a/.github/workflows/test-build-linux.yml
+++ b/.github/workflows/test-build-linux.yml
@@ -68,7 +68,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
+          key: it-library-ubuntu-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/Editor/**', 'test/Scripts.Integration.Test/Scenes/**', 'test/Scripts.Integration.Test/Scripts/**', 'test/Scripts.Integration.Test/DependencyConflictPackage/**', 'test/Scripts.Integration.Test/create-project.ps1', 'test/Scripts.Integration.Test/add-sentry.ps1') }}
           restore-keys: |
             it-library-ubuntu-${{ env.UNITY_VERSION }}-
 
diff --git a/.github/workflows/test-build-macos.yml b/.github/workflows/test-build-macos.yml
index 6b0564a85..bdb61a6d3 100644
--- a/.github/workflows/test-build-macos.yml
+++ b/.github/workflows/test-build-macos.yml
@@ -47,7 +47,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-macos-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
+          key: it-library-macos-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/Editor/**', 'test/Scripts.Integration.Test/Scenes/**', 'test/Scripts.Integration.Test/Scripts/**', 'test/Scripts.Integration.Test/DependencyConflictPackage/**', 'test/Scripts.Integration.Test/create-project.ps1', 'test/Scripts.Integration.Test/add-sentry.ps1') }}
           restore-keys: |
             it-library-macos-${{ env.UNITY_VERSION }}-
 
diff --git a/.github/workflows/test-build-windows-mono.yml b/.github/workflows/test-build-windows-mono.yml
index 2e60a05fc..dd7bdb763 100644
--- a/.github/workflows/test-build-windows-mono.yml
+++ b/.github/workflows/test-build-windows-mono.yml
@@ -47,7 +47,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-mono-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
+          key: it-library-windows-mono-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/Editor/**', 'test/Scripts.Integration.Test/Scenes/**', 'test/Scripts.Integration.Test/Scripts/**', 'test/Scripts.Integration.Test/DependencyConflictPackage/**', 'test/Scripts.Integration.Test/create-project.ps1', 'test/Scripts.Integration.Test/add-sentry.ps1') }}
           restore-keys: |
             it-library-windows-mono-${{ env.UNITY_VERSION }}-
 
diff --git a/.github/workflows/test-build-windows-x86.yml b/.github/workflows/test-build-windows-x86.yml
index 1a2356108..fe59f7125 100644
--- a/.github/workflows/test-build-windows-x86.yml
+++ b/.github/workflows/test-build-windows-x86.yml
@@ -47,7 +47,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-x86-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
+          key: it-library-windows-x86-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/Editor/**', 'test/Scripts.Integration.Test/Scenes/**', 'test/Scripts.Integration.Test/Scripts/**', 'test/Scripts.Integration.Test/DependencyConflictPackage/**', 'test/Scripts.Integration.Test/create-project.ps1', 'test/Scripts.Integration.Test/add-sentry.ps1') }}
           restore-keys: |
             it-library-windows-x86-${{ env.UNITY_VERSION }}-
 
diff --git a/.github/workflows/test-build-windows.yml b/.github/workflows/test-build-windows.yml
index b748d86de..ccaea085e 100644
--- a/.github/workflows/test-build-windows.yml
+++ b/.github/workflows/test-build-windows.yml
@@ -47,7 +47,7 @@ jobs:
         uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: samples/IntegrationTest/Library
-          key: it-library-windows-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/**') }}
+          key: it-library-windows-${{ env.UNITY_VERSION }}-${{ hashFiles('samples/IntegrationTest/ProjectSettings/ProjectVersion.txt', 'samples/IntegrationTest/Packages/manifest.json', 'test/Scripts.Integration.Test/Editor/**', 'test/Scripts.Integration.Test/Scenes/**', 'test/Scripts.Integration.Test/Scripts/**', 'test/Scripts.Integration.Test/DependencyConflictPackage/**', 'test/Scripts.Integration.Test/create-project.ps1', 'test/Scripts.Integration.Test/add-sentry.ps1') }}
           restore-keys: |
             it-library-windows-${{ env.UNITY_VERSION }}-