useObservable: This should normally not cause any problems, but given that it introduces a change in behavior wrt. timing of observable unsubscription, it can potentially cause race conditions in rare cases, especially if side-effects are performed in response to observable emissions.
The modifications required to make the test suite pass should be a good indication of the breaking nature of these changes, although the tests suites are in the majority of cases asserting internal behavior.
Bug Fixes
useObservable: eagerly subscribe with delayed refcount expiry (#115) (d81d5af)