SemVer Minor
- Adds Swift Concurrency Availability to macOS 10.15, iOS 13, tvOS 13, and watchOS 6 (#2004, patch credit to @PSchmiedmayer)
- remove/deprecate the file:line: parameters from flatMap and friends (#1998)
- provide EventLoopGroup.any() which is sticky to the current EventLoop (#2003)
SemVer Patch
- Relax precondition on EBADF on embedded Apple platforms (#1999, patch credit to @John-Connolly)
- disable PTHREAD_MUTEX_ERRORCHECK in release mode (#1995)
- Don't tolerate EBADF on close. (#2002)
- Enable io_uring builds with newer liburing (#2006)