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Performance tools for Flutter

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When opening DevTools for a Dart CLI app or a profile mode Flutter app, the Inspector page is not the first page to load. In these cases, the Performance page...

observatory migration

*Non json type http post data is being wrapped into JsonViewer which resulted in blank model. This change add content type check on request body to use JsonViewer only when...

Hello, I have several frames that take more than 500 ms to complete, I am trying to find out why, in which line of dart code does this slow exist...

waiting for customer response
performance page
P6

*Replace this paragraph with a description of what this PR is changing or adding, and why. Consider including before/after screenshots.* *List which issues are fixed by this PR. You must...

Not User Facing

We should use the theme builder to help with selecting colors and styles: https://m3.material.io/theme-builder#/dynamic. The theme builder can export to Flutter.

[Commit: 2db25e0b52e196c7aab633143599e294cc29627d](https://github.com/polina-c/devtools/tree/2db25e0b52e196c7aab633143599e294cc29627d) Repro: - run `flutter run -t test/scenes/memory/default.stager_app.dart -d macos` - switch between single and diff table for class details: https://user-images.githubusercontent.com/12115586/194680564-c67cd06d-1477-4274-af65-8afaa603fb55.mov Code: ``` class _RetainingPathTable extends StatelessWidget { _RetainingPathTable({...

bug