The issue described below started with version 2.2.10 and continues with 2.2.11. It works with 2.2.7 through 2.2.9. I have a test where a set a `ReplaySubject` like so: ``` locationPublisher = ReplaySubject.create() locationPublisher.onNext(mockLocation) locationPublisher.onComplete() locationObservable = locationPublisher.share() ``` Then, I subscribe twice to the observable (I'm simplifying the test case just to demonstrate the bug): ``` locationObservable .buffer(locationObservable.debounce(5, TimeUnit.SECONDS)) .test() .assertValueCount(2) locationObservable .buffer(locationObservable.debounce(5, TimeUnit.SECONDS)) .test() .assertValueCount(2) ``` When I run the above test, it fails on the second test subscription on RxJava 2.2.10 or 2.2.11: > java.lang.AssertionError: Value counts differ; expected: 2 but was: 1 (latch = 0, values = 1, errors = 0, completions = 1) Expected :2 Actual :1 (latch = 0, values = 1, errors = 0, completions = 1)