GitHub have horribly broken their macOS runners in recent years, reset to support just Xcode 26.1

Rob Amos · Rob Amos · commit 1d87103911b5 · 2025-11-29T16:40:44.000+11:00
diff --git a/.github/workflows/ios-tests.yml b/.github/workflows/ios-tests.yml
@@ -28,8 +28,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        xcode: [ "16.3", "16.4" ] # "26.0" is broken with xcodebuild test
-        os: [ macos-15 ]
+        xcode: [ "26.1" ]
+        os: [ macos-26 ]
     runs-on: ${{ matrix.os }}
 
     env:
diff --git a/.github/workflows/macos-tests.yml b/.github/workflows/macos-tests.yml
@@ -28,8 +28,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        xcode: [ "16.3", "16.4", "26.0" ]
-        os: [ macos-15 ]
+        xcode: [ "26.1" ]
+        os: [ macos-26 ]
     runs-on: ${{ matrix.os }}
 
     env:
diff --git a/.github/workflows/tvos-tests.yml b/.github/workflows/tvos-tests.yml
@@ -28,8 +28,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        xcode: [ "16.3", "16.4" ] # "26.0" is broken with xcodebuild test
-        os: [ macos-15 ]
+        xcode: [ "26.1" ]
+        os: [ macos-26 ]
     runs-on: ${{ matrix.os }}
 
     env:
diff --git a/.github/workflows/visionos-tests.yml b/.github/workflows/visionos-tests.yml
@@ -28,8 +28,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        xcode: [ "16.3", "16.4" ] # "26.0" is broken with xcodebuild test
-        os: [ macos-15 ]
+        xcode: [ "26.1" ]
+        os: [ macos-26 ]
     runs-on: ${{ matrix.os }}
 
     env:
diff --git a/.github/workflows/watchos-tests.yml b/.github/workflows/watchos-tests.yml
@@ -28,8 +28,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        xcode: [ "16.3", "16.4" ] # "26.0" is broken with xcodebuild test
-        os: [ macos-15 ]
+        xcode: [ "26.1" ]
+        os: [ macos-26 ]
     runs-on: ${{ matrix.os }}
 
     env:
