Add Xcode 26 CI jobs for iOS and macOS

.github/jobs/ios.yml

@@ -2,6 +2,7 @@ parameters:
   name: ""
   vmImage: ""
   deploymentTarget: "15"
+  xcodeVersion: ""
 
 jobs:
   - job: ${{parameters.name}}
@@ -15,8 +16,8 @@ jobs:
           vmImage: ${{parameters.vmImage}}
 
       - script: |
-          sudo xcode-select --switch /Applications/Xcode_$(XCODE_VERSION).app/Contents/Developer
-        displayName: "Select Xcode $(XCODE_VERSION)"
+          sudo xcode-select --switch /Applications/Xcode_${{parameters.xcodeVersion}}.app/Contents/Developer
+        displayName: "Select Xcode ${{parameters.xcodeVersion}}"
 
       - script: |
           cmake -G Xcode -B build/iOS -D IOS=ON -D DEPLOYMENT_TARGET=${{parameters.deploymentTarget}} -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_DEBUG_TRACE=ON -D CMAKE_IOS_INSTALL_COMBINED=NO

.github/jobs/macos.yml

@@ -3,6 +3,7 @@ parameters:
   vmImage: ""
   enableSanitizers: false
   generator: Xcode
+  xcodeVersion: ""
 
 jobs:
   - job: ${{parameters.name}}
@@ -19,8 +20,8 @@ jobs:
           vmImage: ${{parameters.vmImage}}
 
       - script: |
-          sudo xcode-select --switch /Applications/Xcode_$(XCODE_VERSION).app/Contents/Developer
-        displayName: "Select XCode $(XCODE_VERSION)"
+          sudo xcode-select --switch /Applications/Xcode_${{parameters.xcodeVersion}}.app/Contents/Developer
+        displayName: "Select Xcode ${{parameters.xcodeVersion}}"
 
       - script: |
           cmake -G "${{parameters.generator}}" -B build/macOS -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_DEBUG_TRACE=ON -D ENABLE_SANITIZERS=$(SANITIZER_FLAG) -D BABYLON_NATIVE_TESTS_USE_NOOP_METAL_DEVICE=ON

.github/jobs/test_install_ios.yml

@@ -2,6 +2,7 @@ parameters:
   name: ""
   vmImage: ""
   deploymentTarget: "15"
+  xcodeVersion: ""
 
 jobs:
   - job: ${{parameters.name}}
@@ -15,8 +16,8 @@ jobs:
           vmImage: ${{parameters.vmImage}}
 
       - script: |
-          sudo xcode-select --switch /Applications/Xcode_$(XCODE_VERSION).app/Contents/Developer
-        displayName: "Select Xcode $(XCODE_VERSION)"
+          sudo xcode-select --switch /Applications/Xcode_${{parameters.xcodeVersion}}.app/Contents/Developer
+        displayName: "Select Xcode ${{parameters.xcodeVersion}}"
 
       - script: |
           cmake -B build/iOS -G Xcode -D IOS=ON -D DEPLOYMENT_TARGET=${{parameters.deploymentTarget}} -D CMAKE_IOS_INSTALL_COMBINED=NO -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON 

.github/jobs/test_install_macos.yml

@@ -1,6 +1,7 @@
 parameters:
   name: ""
   vmImage: ""
+  xcodeVersion: ""
 
 jobs:
   - job: ${{parameters.name}}
@@ -14,8 +15,8 @@ jobs:
           vmImage: ${{parameters.vmImage}}
 
       - script: |
-          sudo xcode-select --switch /Applications/Xcode_$(XCODE_VERSION).app/Contents/Developer
-        displayName: "Select XCode $(XCODE_VERSION)"
+          sudo xcode-select --switch /Applications/Xcode_${{parameters.xcodeVersion}}.app/Contents/Developer
+        displayName: "Select Xcode ${{parameters.xcodeVersion}}"
 
       - script: |
           cmake -B build/macOS -G Xcode -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON

Core/Graphics/Source/DeviceImpl_iOS.mm

@@ -23,7 +23,28 @@
         float scale = static_cast<float>(((CAMetalLayer*)window).contentsScale);
         if (std::isinf(scale) || scale <= 0)
         {
-            scale = UIScreen.mainScreen.scale;
+            // UIScreen.mainScreen is deprecated in iOS 26.
+            // Prefer getting the scale from the active window scene's trait collection.
+            if (@available(iOS 17.0, *))
+            {
+                for (UIScene* scene in UIApplication.sharedApplication.connectedScenes)
+                {
+                    if ([scene isKindOfClass:[UIWindowScene class]])
+                    {
+                        scale = static_cast<float>(((UIWindowScene*)scene).traitCollection.displayScale);
+                        if (scale > 0) break;
+                    }
+                }
+            }
+
+            // Fallback for older iOS versions or if no active scene was found.
+            if (std::isinf(scale) || scale <= 0)
+            {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+                scale = UIScreen.mainScreen.scale;
+#pragma clang diagnostic pop
+            }
         }
         return scale;
     }

Dependencies/xr/Source/ARKit/XR.mm

@@ -259,11 +259,24 @@ - (void) UnlockAnchors {
 - (UIInterfaceOrientation)orientation {
     UIApplication* sharedApplication = [UIApplication sharedApplication];
 #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_13_0)
-    UIScene* scene = [[[sharedApplication connectedScenes] allObjects] firstObject];
-    return [(UIWindowScene*)scene interfaceOrientation];
+    UIWindowScene* windowScene = (UIWindowScene*)[[[sharedApplication connectedScenes] allObjects] firstObject];
+    if (@available(iOS 26.0, *)) {
+        return windowScene.effectiveGeometry.interfaceOrientation;
+    }
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+    return [windowScene interfaceOrientation];
+#pragma clang diagnostic pop
 #else
     if (@available(iOS 13.0, *)) {
-        return [[[[sharedApplication windows] firstObject] windowScene] interfaceOrientation];
+        UIWindowScene* windowScene = [[[sharedApplication windows] firstObject] windowScene];
+        if (@available(iOS 26.0, *)) {
+            return windowScene.effectiveGeometry.interfaceOrientation;
+        }
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+        return [windowScene interfaceOrientation];
+#pragma clang diagnostic pop
     }
     else {
         return [sharedApplication statusBarOrientation];

Plugins/NativeCamera/Source/Apple/CameraDevice.mm

@@ -907,11 +907,24 @@ - (void)updateOrientation {
     UIApplication* sharedApplication{[UIApplication sharedApplication]};
     UIInterfaceOrientation orientation{UIInterfaceOrientationUnknown};
 #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_13_0)
-    UIScene* scene{[[[sharedApplication connectedScenes] allObjects] firstObject]};
-    orientation = [(UIWindowScene*)scene interfaceOrientation];
+    UIWindowScene* windowScene = (UIWindowScene*)[[[sharedApplication connectedScenes] allObjects] firstObject];
+    if (@available(iOS 26.0, *)) {
+        orientation = windowScene.effectiveGeometry.interfaceOrientation;
+    } else {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+        orientation = [windowScene interfaceOrientation];
+#pragma clang diagnostic pop
+    }
 #else
-    if (@available(iOS 13.0, *)) {
+    if (@available(iOS 26.0, *)) {
+        UIWindowScene* windowScene = [[[sharedApplication windows] firstObject] windowScene];
+        orientation = windowScene.effectiveGeometry.interfaceOrientation;
+    } else if (@available(iOS 13.0, *)) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
         orientation = [[[[sharedApplication windows] firstObject] windowScene] interfaceOrientation];
+#pragma clang diagnostic pop
     }
     else {
         orientation = [sharedApplication statusBarOrientation];

azure-pipelines.yml

@@ -11,40 +11,57 @@ variables:
     value: 28.2.13676358
   - name: UNITY_BUILD
     value: true
-  - name: XCODE_VERSION
-    value: 16.4
 
 jobs:
   # Apple
   - template: .github/jobs/macos.yml
     parameters:
       name: MacOS
       vmImage: macOS-latest
+      xcodeVersion: "16.4"
 
   - template: .github/jobs/macos.yml
     parameters:
       name: MacOS_Ninja
       vmImage: macOS-latest
+      xcodeVersion: "16.4"
       generator: Ninja Multi-Config
 
   - template: .github/jobs/macos.yml
     parameters:
       name: MacOS_Sanitizers
       vmImage: macOS-latest
+      xcodeVersion: "16.4"
       enableSanitizers: true
 
   - template: .github/jobs/ios.yml
     parameters:
       name: iOS_iOS180
       vmImage: macOS-latest
+      xcodeVersion: "16.4"
       deploymentTarget: 18.0
 
   - template: .github/jobs/ios.yml
     parameters:
       name: iOS_iOS175
       vmImage: macOS-latest
+      xcodeVersion: "16.4"
       deploymentTarget: 17.5
 
+  # Xcode 26
+  - template: .github/jobs/macos.yml
+    parameters:
+      name: MacOS_Xcode26
+      vmImage: macOS-latest
+      xcodeVersion: "26.3"
+
+  - template: .github/jobs/ios.yml
+    parameters:
+      name: iOS_Xcode26
+      vmImage: macOS-latest
+      xcodeVersion: "26.3"
+      deploymentTarget: 26.0
+
   # Win32
   - template: .github/jobs/win32.yml
     parameters:
@@ -168,6 +185,7 @@ jobs:
     parameters:
       name: iOS_Installation
       vmImage: macOS-latest
+      xcodeVersion: "16.4"
       deploymentTarget: 17.2
   - template: .github/jobs/test_install_linux.yml
     parameters:
@@ -177,6 +195,7 @@ jobs:
     parameters:
       name: MacOS_Installation
       vmImage: macOS-latest
+      xcodeVersion: "16.4"
   - template: .github/jobs/test_install_win32.yml
     parameters:
       name: Win32_Installation