ci: Revert CI runners from Cirrus Labs back to GitHub-hosted

.github/workflows/buildandtest.yml

@@ -17,7 +17,7 @@ jobs:
 
   job_test:
     name: Test
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     steps:
@@ -36,7 +36,7 @@ jobs:
 
   job_lint:
     name: Lint
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     steps:
@@ -103,7 +103,7 @@ jobs:
 
   job_check_integrity:
     name: Check package integrity
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     steps:
@@ -127,7 +127,7 @@ jobs:
 
   job_build:
     name: Build
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     steps:
@@ -169,7 +169,7 @@ jobs:
 
   job_type_check:
     name: Type Check Typescript 3.8
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [job_build, diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     env:
@@ -202,7 +202,7 @@ jobs:
         run: yarn type-check
   job_circular_dep_check:
     name: Circular Dependency Check
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [job_build, diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     steps:
@@ -231,7 +231,7 @@ jobs:
 
   job_bundle:
     name: Bundle
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [job_test, job_build, diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     strategy:

.github/workflows/codegen.yml

@@ -16,7 +16,7 @@ jobs:
     uses: ./.github/workflows/skip-ci.yml
 
   codegen:
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     strategy:

.github/workflows/e2e-v2.yml

@@ -54,11 +54,11 @@ jobs:
         platform: ["ios", "android"]
         include:
           - platform: ios
-            runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+            runs-on: macos-26
             name: iOS
             appPlain: performance-tests/test-app-plain.ipa
           - platform: android
-            runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+            runs-on: ubuntu-latest
             name: Android
             appPlain: performance-tests/TestAppPlain/android/app/build/outputs/apk/release/app-release.apk
     steps:
@@ -237,13 +237,13 @@ jobs:
           # Use Xcode 16 for older RN versions
           - platform: ios
             rn-version: '0.71.19'
-            runs-on: ["ghcr.io/cirruslabs/macos-sequoia-xcode:16.4", "runner_group_id:10"]
+            runs-on: macos-15
           # Use Xcode 26 for newer RN versions (0.83.0)
           - platform: ios
             rn-version: '0.85.1'
-            runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+            runs-on: macos-26
           - platform: android
-            runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+            runs-on: ubuntu-latest
         exclude:
           # exclude all rn versions lower than 0.80.0 for new architecture
           - rn-version: '0.71.19'
@@ -392,9 +392,9 @@ jobs:
         include:
           - platform: ios
             rn-version: '0.85.1'
-            runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+            runs-on: macos-26
           - platform: android
-            runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+            runs-on: ubuntu-latest
 
     steps:
       - name: Check if platform is needed
@@ -518,7 +518,7 @@ jobs:
           xcrun simctl bootstatus booted -b
           # Launch and dismiss Settings.app to ensure SpringBoard and system services
           # are fully initialized — this avoids Maestro connecting to a half-booted
-          # simulator on Cirrus Labs Tart VMs.
+          # simulator.
           xcrun simctl launch booted com.apple.Preferences
           sleep 5
           xcrun simctl terminate booted com.apple.Preferences

.github/workflows/native-tests.yml

@@ -33,7 +33,7 @@ jobs:
 
   test-ios:
     name: ios
-    runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+    runs-on: macos-26
     needs: [diff_check, detect-changes]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' && needs.detect-changes.outputs.needs_ios == 'true' }}
     steps:
@@ -104,7 +104,7 @@ jobs:
 
   test-android:
     name: android
-    runs-on: ["ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04", "runner_group_id:10"]
+    runs-on: ubuntu-latest
     needs: [diff_check, detect-changes]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' && needs.detect-changes.outputs.needs_android == 'true' }}
     steps:

.github/workflows/sample-application-expo.yml

@@ -36,7 +36,7 @@ jobs:
 
   build-ios:
     name: Build ios ${{ matrix.build-type }} ${{ matrix.ios-use-frameworks }}
-    runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+    runs-on: macos-26
     needs: [diff_check, detect-changes]
     if: >-
       ${{

.github/workflows/sample-application.yml

@@ -19,7 +19,7 @@ env:
   IOS_APP_ARCHIVE_PATH: sentry-react-native-sample.app.zip
   ANDROID_APP_ARCHIVE_PATH: sentry-react-native-sample.apk.zip
   REACT_NATIVE_SAMPLE_PATH: samples/react-native
-  IOS_DEVICE: 'iPhone 16'
+  IOS_DEVICE: 'iPhone 17'
   IOS_VERSION: '>=18.0'
   ANDROID_API_LEVEL: '30'
 
@@ -44,7 +44,7 @@ jobs:
 
   build-ios:
     name: Build ${{ matrix.rn-architecture }} ios ${{ matrix.build-type }} ${{ matrix.ios-use-frameworks }}
-    runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+    runs-on: macos-26
     needs: [diff_check, detect-changes]
     if: >-
       ${{
@@ -212,7 +212,7 @@ jobs:
 
   build-macos:
     name: Build legacy macos ${{ matrix.build-type }}
-    runs-on: ["ghcr.io/cirruslabs/macos-sequoia-xcode:16.4", "runner_group_id:10"]
+    runs-on: macos-15
     needs: [diff_check, detect-changes]
     if: >-
       ${{
@@ -290,7 +290,7 @@ jobs:
 
   test-ios:
     name: Test ios production REV2
-    runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+    runs-on: macos-26
     needs: [diff_check, detect-changes, build-ios]
     if: >-
       ${{

.github/workflows/size-analysis.yml

@@ -92,7 +92,7 @@ jobs:
   ios:
     needs: [ready-to-merge-gate]
     name: iOS Size Analysis
-    runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+    runs-on: macos-26
     timeout-minutes: 45
 
     steps:

.github/workflows/testflight.yml

@@ -14,7 +14,7 @@ jobs:
 
   upload_to_testflight:
     name: Build and Upload React Native Sample to Testflight
-    runs-on: ["ghcr.io/cirruslabs/macos-tahoe-xcode:26.2.0", "runner_group_id:10"]
+    runs-on: macos-26
     needs: [diff_check]
     if: ${{ needs.diff_check.outputs.skip_ci != 'true' }}
     steps:

dev-packages/e2e-tests/cli.mjs

@@ -295,7 +295,7 @@ if (actions.includes('test')) {
       .filter(f => f.endsWith('.yml') && !f.startsWith('utils'))
       .sort((a, b) => {
         // Run crash.yml last — it kills the app via nativeCrash(), and
-        // post-crash simulator state can be flaky on Cirrus Labs Tart VMs.
+        // post-crash simulator state can be flaky.
         if (a === 'crash.yml') return 1;
         if (b === 'crash.yml') return -1;
         return a.localeCompare(b);
@@ -304,8 +304,7 @@ if (actions.includes('test')) {
     console.log(`Discovered ${flowFiles.length} Maestro flows: ${flowFiles.join(', ')}`);
 
     // Warm up Maestro's driver connection before running test flows.
-    // The first Maestro launchApp after simulator boot can fail on Cirrus
-    // Labs Tart VMs because the IDB/XCUITest driver isn't fully connected.
+    // The first Maestro launchApp after simulator boot can fail if thedriver isn't fully connected.
     // Running a lightweight warmup flow ensures the driver is ready.
     const warmupFlow = path.join('maestro', 'utils', 'warmup.yml');
     console.log('Warming up Maestro driver...');

dev-packages/e2e-tests/maestro/utils/warmup.yml

@@ -2,8 +2,8 @@ appId: ${APP_ID}
 jsEngine: graaljs
 ---
 # Warm up Maestro's IDB/XCUITest driver connection on the simulator.
-# The very first Maestro launchApp after simulator boot can fail on Cirrus
-# Labs Tart VMs — running a lightweight flow first ensures the driver is
+# The very first Maestro launchApp after simulator boot can fail,
+# running a lightweight flow first ensures the driver is
 # fully connected before real test flows start.
 - launchApp:
     clearState: true