Flutter 1.25.0-8.1.pre released to the beta channel

[Patrick Sosinski]

Hi all,

I’m happy to announce that Flutter 1.25 / Dart 2.12 beta builds are now available on the beta channel: 1.25.0-8.1.pre and Dart 2.12.0-133.2.beta

branches:

https://github.com/flutter/flutter/tree/flutter-1.25-candidate.8 

https://github.com/dart-lang/sdk/tree/beta

Cherrypick request label: cp: 1.25

thanks,

patrick on behalf of the Flutter & Dart teams