ReactiveX / RxJava

⚠️ With this release, the minimum required Android API level is API 21 (Android 5.0).

⚠️ Note that the 3.0.x patch line won't be developed further.

Flowable.onBackpressureReduce() + 1 (#7296)
RxJavaPlugins.getOnParallelSubscribe() and RxJavaPlugins.setOnParallelSubscribe() (#7296)
TestScheduler([...] boolean useOnScheduleHook) (#7296)

subscribe([...], DisposableContainer) for better Disposable management and reference cleanup. (#7298)
RxJavaPlugins.createExecutorScheduler() for creating an Executor-based Scheduler before the Schedulers class (and thus the standard schedulers) gets initialized. (#7306)

The scheduler purge thread has been removed. Removing cancelled timed operations is now managed by the setRemoveOnCancelPolicy of the underlying ScheduledExecutorService. (#7293)

@NonNull annotations on generic type arguments were made consistent across. (#7302, #7303)

⚠️ RxJava is now signed with a new private key. The new public key fingerprint is 1D9AA7F9E1E2824728B8CD1794B291AEF984A085.

Mitigated the security risks caused by the Codecov backdoor (#7237).
Improve the build process (#7225, #7253, #7255, #7257, #7258, #7260, #7261, #7262, #7264, #7263)
Upgrade to Gradle 7.0 (#7259)

Please ignore this update. Testing out updated tools of the release process.

Please ignore this update; testing out the updated credentials to the release process.

CompositeException.printStackTrace to write directly into PrintStream/PrintWriter. (#7212)

Pre-release experiment due to changes in the build setup in #7219.

ℹ️ RxJava 2 is now end-of-life (EOL) and no further development or support will be provided by the project.

Allow Single.zip and Maybe.zip result to be garbage collected (#7196)
Direct scheduling via Schedulers.from to honor the interruptibleWorker setting (#7203)