Version 1.0.0 - Added support for multiple concurrency modes with runtime selection - Added single-threaded polling as default concurrency mode - Added UDP multiplexing on a single socket as alternative mode - Added ice2 option in SDP in accordance with RFC8445 - Changed nomination to conform to regular nomination in RFC8445 - Changed keepalives to use the opened TURN channel after completion - Enhanced fallback to IPv4 to be more resilient