[!] Flutter (Channel master, 3.33.0-1.0.pre.850, on macOS 15.5 24F74 darwin-arm64, locale en-GH) [3.0s]
• Flutter version 3.33.0-1.0.pre.850 on channel master at /Users/nexus/dev/sdks/exem/flutter
! Warning: `flutter` on your path resolves to /Users/nexus/dev/sdks/flutter/bin/flutter, which is not inside your current Flutter SDK checkout
at /Users/nexus/dev/sdks/exem/flutter. Consider adding /Users/nexus/dev/sdks/exem/flutter/bin to the front of your path.
! Warning: `dart` on your path resolves to /Users/nexus/dev/sdks/flutter/bin/dart, which is not inside your current Flutter SDK checkout at
/Users/nexus/dev/sdks/exem/flutter. Consider adding /Users/nexus/dev/sdks/exem/flutter/bin to the front of your path.
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 6bd4019f74 (3 hours ago), 2025-07-08 01:10:26 -0400
• Engine revision 6bd4019f74
• Dart version 3.9.0 (build 3.9.0-293.0.dev)
• DevTools version 2.48.0-dev.0
• Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations,
enable-native-assets
• If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly to perform update checks and
upgrades.
[✓] Android toolchain - develop for Android devices (Android SDK version 36.0.0) [3.5s]
• Android SDK at /Users/nexus/Library/Android/sdk
• Emulator version 35.5.10.0 (build_id 13402964) (CL:N/A)
• Platform android-36, build-tools 36.0.0
• ANDROID_HOME = /Users/nexus/Library/Android/sdk
• Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
This is the JDK bundled with the latest Android Studio installation on this machine.
To manually set the JDK path, use: `flutter config --jdk-dir="path/to/jdk"`.
• Java version OpenJDK Runtime Environment (build 21.0.6+-13368085-b895.109)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 26.0) [1,527ms]
• Xcode at /Applications/Xcode-26.0.0-Beta.app/Contents/Developer
• Build 17A5241e
• CocoaPods version 1.16.2
[✓] Chrome - develop for the web [83ms]
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2024.3) [82ms]
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 21.0.6+-13368085-b895.109)
[✓] Android Studio (version 2023.3) [79ms]
• Android Studio at /Users/nexus/Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 17.0.10+0-17.0.10b1087.21-11572160)
[✓] Android Studio (version 2024.3) [79ms]
• Android Studio at /Users/nexus/Applications/Android Studio Meerkat Feature Drop 2024.3.2 Patch 1.app/Contents
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 21.0.6+-13368085-b895.109)
[✓] IntelliJ IDEA Ultimate Edition (version 2025.1.2) [79ms]
• IntelliJ at /Applications/IntelliJ IDEA Ultimate.app
• Flutter plugin version 86.0.2
• Dart plugin version 251.25410.28
[✓] VS Code (version 1.101.2) [3ms]
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.112.0
[✓] Connected device (5 available) [7.4s]
• sdk gphone64 arm64 (mobile) • emulator-5554 • android-arm64 • Android 16 (API 36) (emulator)
• sdk gphone64 arm64 (mobile) • emulator-5556 • android-arm64 • Android 16 (API 36) (emulator)
• Nexus (wireless) (mobile) • 00008020-001875E83A38002E • ios • iOS 18.5 22F76
• macOS (desktop) • macos • darwin-arm64 • macOS 15.5 24F74 darwin-arm64
• Chrome (web) • chrome • web-javascript • Google Chrome 138.0.7204.93
[✓] Network resources [1,119ms]
• All expected network resources are available.
! Doctor found issues in 1 category.
Steps to reproduce
Note
Prerequisite: Xcode 26 beta (either 1 or 2)
./flutter/tools/gn --ios --unoptimizedninja -C out/ios_debug_unoptExpected results
The engine compiles successfully
Actual results
The engine fails to compile for iOS with
fatal error: 'UIUtilities/UIDefines.h' file not found. More details in the logs section below. This happens with the arm64 version as well (i.eninja -C out/ios_debug_unopt_arm64)This works as expected with Xcode 16.4 but not Xcode 26 beta 1 or beta 2.
Code sample
N/A
Screenshots or Video
N/A
Logs
Logs
Flutter Doctor output
Doctor output