unsealed contents present in the root directory of an embedded framework
In subcomponent: [...].app/Contents/Frameworks/App.framework
App.framework/App -> Versions/Current/AppApp.framework/Resources -> Versions/Current/ResourcesApp.framework/Versions/A/AppApp.framework/Versions/A/Resources/flutter_assets/LICENSEApp.framework/Versions/A/Resources/flutter_assets/AssetManifest.jsonApp.framework/Versions/A/Resources/flutter_assets/FontManifest.jsonApp.framework/Versions/A/Resources/flutter_assets/packages/cupertino_icons/assets/CupertinoIcons.ttfApp.framework/Versions/A/Resources/flutter_assets/fonts/MaterialIcons-Regular.ttfApp.framework/Versions/A/Resources/flutter_assets/assets/images/logo_with_text.pngApp.framework/Versions/A/Resources/Info.plistApp.framework/Versions/Current -> A/
App.framework/Versions/Current -> A/
Just as a small update, after the latest flutter master fix (re. that symlink) app signing (sandbox + hardening) went perfectly, and it even got approved by Apple. 🎉️
There are still a few rough edges, but i'm already impressed how well flutter runs on the Mac.