Dec 11, 2019, Flutter Interact Edition: 1.12 release

Flutter 1.12 is live!

For more information, see
Flutter: the first UI platform designed for ambient computing,
Announcing Flutter 1.12: What a year! and
the Flutter 1.12.13 release notes.

Docs added and updated since the last announcement include:

To accompany an updated implementation of add-to-app,
we have added documentation on how to
add Flutter to an existing app for both iOS and Android.

If you own plugin code, we encourage you to update to the
new plugin APIs for Android. For more information, see
Migrating your plugin to the new Android APIs.

Web support has moved to the beta channel. For more information,
see Web support for Flutter and
Web support for Flutter goes beta on the Medium publication.
Also, the building a web app with Flutter page is updated.