Hi,
Flutter 1.22.1 has been released to stable. This is a hotfix release on the 1.22 branch and also includes a hotfixed Dart 2.10.1 version. Changes for this build are listed below and are available on the Flutter Wiki here: Hotfixes to the Stable Channel.
This fixes the following issues:
https://github.com/flutter/flutter/issues/66940 - autovalidate property inadvertently removed.
https://github.com/flutter/flutter/issues/66962 - The new --analyze-size flag crashes when used with --split-debug-info
https://github.com/flutter/flutter/issues/66908 - Flutter Activity causing exceptions in some Android versions.
https://github.com/flutter/flutter/issues/66647 - Layout modifications performed by background threads causes exceptions on IOS14.
Thanks!
patrick, on behalf of the Flutter & Dart teams.