flutter run --release
Multiple devices found:
Pixel XL (mobile)         • HT6A80200946                             • android-arm64  • Android 10 (API 29)
iPhone von Ralph (mobile) • 3fbe4929eec22152a0ffdbaa8c5afef34ebcaafc • ios            • iOS 14.0.1
macOS (desktop)           • macos                                    • darwin-x64     • macOS 11.0.1 20B29 darwin-x64
Web Server (web)          • web-server                               • web-javascript • Flutter Tools
Chrome (web)              • chrome                                   • web-javascript • Google Chrome 86.0.4240.193
[0]: Pixel XL (HT6A80200946)
[1]: iPhone von Ralph (3fbe4929eec22152a0ffdbaa8c5afef34ebcaafc)
[2]: macOS (macos)
[3]: Web Server (web-server)
[4]: Chrome (chrome)
Please choose one (To quit, press "q/Q"): 2
Running "flutter pub get" in foo...                                278ms
Launching lib/main.dart on macOS in release mode...
Command CompileSwift failed with a nonzero exit code
ld: warning: ignoring file /Users/ralphbergmann/development/projects/flutter/foo/macos/Flutter/ephemeral/App.framework/App, building for macOS-arm64 but attempting to link with file built for macOS-x86_64
ld: warning: ignoring file /Users/ralphbergmann/development/projects/flutter/foo/macos/Flutter/ephemeral/FlutterMacOS.framework/FlutterMacOS, building for macOS-arm64 but attempting to link with file built for macOS-x86_64
Undefined symbols for architecture arm64:
  "_OBJC_CLASS_$_FlutterAppDelegate", referenced from:
      type metadata for foo.AppDelegate in AppDelegate.o
  "_OBJC_CLASS_$_FlutterViewController", referenced from:
      objc-class-ref in MainFlutterWindow.o
  "_OBJC_METACLASS_$_FlutterAppDelegate", referenced from:
      _OBJC_METACLASS_$__TtC3foo11AppDelegate in AppDelegate.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
note: Using new build system
note: Building targets in parallel
note: Planning build
note: Constructing build description
** BUILD FAILED **

Building macOS application...
Exception: Build process failed

flutter doctor -v
[✓] Flutter (Channel master, 1.24.0-8.0.pre.252, on macOS 11.0.1 20B29 darwin-x64, locale de-DE)
    • Flutter version 1.24.0-8.0.pre.252 at /Users/ralphbergmann/development/sdks/flutter
    • Framework revision bf2c9dfc05 (10 hours ago), 2020-11-14 22:38:02 -0500
    • Engine revision 3e77d854a7
    • Dart version 2.12.0 (build 2.12.0-45.0.dev)

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.1)
    • Android SDK at /Users/ralphbergmann/development/sdks/android-sdk
    • Platform android-30, build-tools 30.0.1
    • ANDROID_HOME = /Users/ralphbergmann/development/sdks/android-sdk
    • Java binary at: /Users/ralphbergmann/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/201.6953283/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 12.2)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.2, Build version 12B45b
    • CocoaPods version 1.9.3

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.1)
    • Android Studio at /Users/ralphbergmann/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/201.6953283/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 1.8.0_242-release-1644-b3-6915495)

[✓] IntelliJ IDEA Ultimate Edition (version 2020.2.3)
    • IntelliJ at /Users/ralphbergmann/Applications/JetBrains Toolbox/IntelliJ IDEA Ultimate.app
    • Flutter plugin installed
    • Dart plugin version 202.7319.5

[✓] VS Code (version 1.46.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.12.0

[✓] Connected device (4 available)
    • Pixel XL (mobile) • HT6A80200946 • android-arm64  • Android 10 (API 29)
    • macOS (desktop)   • macos        • darwin-x64     • macOS 11.0.1 20B29 darwin-x64
    • Web Server (web)  • web-server   • web-javascript • Flutter Tools
    • Chrome (web)      • chrome       • web-javascript • Google Chrome 86.0.4240.193

• No issues found!