LAV Filters full changelog

Fixed: VP9 video could produce wrong timestamps, resulting in a black screen or other playback disruptions.
Fixed: Decoding VP9 from a non-keyframe (ie. after a seek, or badly cut file) would not always recover properly once a keyframe was encountered.

LAV Splitter
Changed: Using GnuTLS for HTTPS and other TLS protocols, improving performance and compatibility with a lot of web streaming services (ie. YouTube Live Streams through youtube-dl, and more)
Fixed: Keyframes in MP4 files were being reported with a slightly offset timestamp, resulting in slow keyframe seeking
Fixed: Subtitles that stretch over chapter boundaries could be lost in Ordered Chapter MKV files
Fixed: Fonts embedded in MKVs without a proper mimetype were not being imported (now it checks the file extensions for .ttf/.otf as well)

LAV Video
NEW: Initial support for parsing HDR10+ (SMPTE ST 2094-40) metadata, and passing it to the video renderer
NEW: Using the dav1d AV1 decoder for significantly improved AV1 decoding

NEW: Support for HTTPS URLs
NEW: Automatic selection of the highest quality variant in HLS streams
Changed: Reverted back to the old ASF demuxer