RxJava2: An Early Preview
Mike Nakhimovich

Awesome summery!

There’s tiny mistakes on Actions:

The no argument Action0 is replaced by the io.reactivex.functions.Action for the operators and java.lang.Runnable for the Scheduler methods. Action1 has been renamed to Consumer and Action2 is called BiConsumer. ActionN is replaced by the Consumer<Object[]> type declaration.
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