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kotlinx.coroutines v0.16 Release Notes

    • ⏱ Coroutines that are scheduled for execution are cancellable by default now
      • suspendAtomicCancellableCoroutine function is introduced for funs like   send/receive/receiveOrNull that require atomic cancellation   (they cannot be cancelled after decision was made)
      • Coroutines started with default mode using 🏗   async/launch/actor builders can be cancelled before their execution starts
      • CoroutineStart.ATOMIC is introduced as a start mode to specify that   coroutine cannot be cancelled before its execution starts
      • run function is also cancellable in the same way and accepts an optional CoroutineStart parameter to change this default.
    • BroadcastChannel factory function is introduced
    • CoroutineExceptionHandler factory function is introduced by @konrad-kaminski
    • [integration](integration) directory is introduced for all 3rd party integration projects
      • It has [contribution guidelines](integration/README.md#contributing) and contributions from community are welcome
      • Support for Guava ListenableFuture in the new [kotlinx-coroutines-guava](integration/kotlinx-coroutines-guava) module
      • Rx1 Scheduler support by @konrad-kaminski
    • 🛠 Fixed a number of Channel and BroadcastChannel implementation bugs related to concurrent send/close/close of channels that lead to hanging send, offer or close operations (see #66). Thanks to @chrisly42 and @cy6erGn0m for finding them.
    • 🛠 Fixed withTimeoutOrNull which was returning null on timeout of inner or outer withTimeout blocks (see #67). Thanks to @gregschlom for finding the problem.
    • 🛠 Fixed a bug where Job fails to dispose a handler when it is the only handler by @uchuhimo