This release only contains bugfixes and it should be safe to update from 1.18.x.
Highlighted bugfixes:
Fix MPEG-TS timestamping regression when playing DVB streams
compositor: fix artefacts in certain input scaling/conversion situations and make sure that the output format is actually supported, plus renegotiation fixes
Fix sftp:// URI playback in decodebin/playbin via giosrc
adaptivedemux/dashdemux/hlsdemux fixes
rtsp-server fixes
android media: fix crash when encoding AVC
fix races in various unit tests
lots of other bug fixes and memory leak fixes
various stability, performance and reliability improvements
g-i annotation fixes
build fixes