General availability of RxAndroid 3.0 for use with RxJava 3.0!
The Maven groupId has changed to io.reactivex.rxjava3 and the package is now io.reactivex.rxjava3.android.
The APIs and behavior of RxAndroid 3.0.0 is otherwise exactly the same as RxAndroid 2.1.1 with one notable exception:
Schedulers created via AndroidSchedulers.from now deliver async messages by default.
This is also true for AndroidSchedulers.mainThread().
For more information about RxJava 3.0 see its release notes.
Version 2.x can be found at https://github.com/ReactiveX/RxAndroid/blob/2.x/CHANGES.md
Version 1.x can be found at https://github.com/ReactiveX/RxAndroid/blob/1.x/CHANGES.md