Flutter 3.3.9 Release

We are pleased to announce the release of Flutter 3.3.9 to the stable channel; this release contains the following hotfix:

  • dart/50199 - fix error when using private variable setters in mixins on dart web.
  • dart/50392 - Type parameter nullability performs incorrectly in factory constructors.

In order to get the latest, run ‘flutter upgrade’.


Kevin Chisholm
Google, Inc.