Kotlin/kotlinx.coroutines 1.4.3 on GitHub

Thread context is properly preserved and restored for coroutines without ThreadContextElement (#985)
ThreadContextElements are now restored in the opposite order from update (#2195)
Improved performance of combine with 4 parameters, thanks to @alexvanyo (#2419)
Debug agent sanitizer leaves at least one frame with source location (#1437)
Update Reactor version in kotlinx-coroutines-reactor to 3.4.1, thanks to @sokomishalov (#2432)
callsInPlace contract added to ReceiveChannel.consume (#941)
CoroutineStart.UNDISPATCHED promoted to stable API (#1393)
Kotlin updated to 1.4.30
kotlinx.coroutines are now released directly to MavenCentral
Reduced the size of DispatchedCoroutine by a field
Internal class TimeSource renamed to SchedulerTimeSource to prevent wildcard import issues (#2537)

Fixed the problem that prevented implementation via delegation for Job interface (#2423)
Fixed incorrect ProGuard rules that allowed shrinking volatile felds (#1564)
Fixed await/asDeferred for MinimalStage implementations in jdk8 module (#2456)
Fixed bug when onUndeliveredElement wasn't called for unlimited channels (#2435)
Fixed a bug when ListenableFuture.isCancelled returned from asListenableFuture could have thrown an exception, thanks to @vadimsemenov (#2421)
Coroutine in callbackFlow and produce is properly cancelled when the channel was closed separately (#2506)