• Fixed StackOverflowError in Job.toString when Job is observed in its intermediate state (#2371).
• Improved liveness and latency of Dispatchers.Default and Dispatchers.IO in low-loaded mode (#2381).
• Improved performance of consecutive Channel.cancel invocations (#2384).
• SharingStarted is now fun interface (#2397).
• Additional lint settings for SharedFlow to catch programmatic errors early (#2376).
• Fixed bug when mutex and semaphore were not released during cancellation (#2390, thanks to @Tilps for reproducing).
• Some corner cases in cancellation propagation between coroutines and listenable futures are repaired (#1442, thanks to @vadimsemenov).
• Fixed unconditional cast to CoroutineStackFrame in exception recovery that triggered failures of instrumented code (#2386).
• Platform-specific dependencies are removed from kotlinx-coroutines-javafx (#2360).