• An internal change was made to support the new restrictions around non-covariant type variables in superinterfaces. This was causing compile errors in the Flutter beta/dev/master channels.

• A breaking change has been introduced to the use of the Store type. Previously it was meant to be used as an interface, which has now changed to a mixin. Instead of doing:

abstract class UserBase implements Store {}

You now do:

abstract class UserBase with Store {}

This allows us to add more convenience methods to the Store mixin without causing any breaking change in the future. With the current use of the interface, this was not possible and was limiting the purpose. Store was just a marker interface without any core functionality. With a mixin, it opens up some flexibility in adding more functionality later.

• All the docs and example code have been updated to the use of the Store mixin.