0.81.0 - 2026/01/12
LAV Splitter

• NEW: Support for APV (Advanced Professional Video) video streams
• Fixed: VVC in MP4 without CTTS did not play properly
• Fixed: AV1 streams with invalid metadata did not get handled correctly

LAV Video

• NEW: Support for decoding APV (Advanced Professional Video)
• Changed: Re-designed pixel format mapping to be based on a heuristic rather then hard-coded, improving support for rarely-used formats
• Fixed: Deinterlacing of 4:2:2 videos was broken in 0.80

LAV Audio

• Fixed: Bitstreaming TrueHD from Blu-rays with seamless branching could result in out-of-sync audio, or a noticeable gap

0.80.0 - 2025/06/20
LAV Splitter

• NEW: Introduced the IURLSourceFilterLAV interface to allow opening URLs with custom user agent and referrer
• NEW: Added support for WebP images
• Changed: Increased the length of the advanced subtitle selection field, so its no longer cut off after 255 characters
• Changed: Improved buffering behavior on badly interleaved video files
• Fixed: Audio streams with an unknown/unsupported codec are no longer selected for playback, as long as others are present
• Fixed: Improved accuracy of reported FPS from AviSynth scripts

LAV Video

• NEW: D3D11 support for HEVC 4:2:2 and 4:4:4 hardware decoding
• NEW: Dolby Vision extension metadata is exported for renderers to use
• Changed: Added additional media types to support more video streams
• Changed: Updated dav1d for significant AV1 decoding improvements
• Fixed: Improved handling of H.264 4:4:4 files encoded by certain versions of x264
• Fixed: VP9 DXVA2/D3D11 decoding could result in artifacts on some clips
• Fixed: Decoding ProRes reports more accurate color details

LAV Audio

• Changed: Added support for additional ADPCM audio codecs

0.79.2 - 2024/04/08
LAV Splitter

• Fixed: Buffering media from a high latency source was slower then expected (since 0.79)

LAV Audio

• Fixed: Bitstream AC3 audio could fallback to PCM on streams that start with a corrupt audio frame (since 0.78)
• Fixed: Resolved a memory leak when bitstreaming AC3

0.79.1 - 2024/03/28
LAV Video

• Fixed: Resolved a glitch when playing HEVC video

0.79.0 - 2024/03/25
LAV Splitter

• NEW: Support for demuxing VVC video
• Changed: Updated language lists to support all relevant language codes
• Changed: Improved resilience of streaming HLS
• Changed: Tweaked frame rate detection logic

LAV Video:

• NEW: Support for decoding VVC video

0.78.0 - 2023/10/25
LAV Splitter

• NEW: Added identification of DTS:X in DTS HD-HRA streams
• NEW: Support for various stream flags in Matroska containers (Hearing Impaired, and more)
• Changed: Text-based subtitle selection now uses case-insensitive matches (ASCII characters only)
• Fixed: Many stream titles in MP4 files weren't being read properly

LAV Video

• NEW: Support for decoding SMC video
• Fixed: HLG video streams could have their HLG flag overriden in some circumstances

LAV Audio

• Fixed: TrueHD bitstreaming of Atmos tracks could cause output timestamps to be off, confusing some audio renderers

0.77.2 - 2023/03/08
LAV Splitter

• NEW: Added identification for spatial/immersive audio extensions (Atmos, DTS:X)
• Changed: More reasonable rounding for odd aspect ratios, avoiding issues with some video pipelines
• Fixed: Improved compatibility with some FTP servers

LAV Audio

• Fixed: Restored the default channel layouts for 5.1 and 7.1 to the correct layout (accidentally changed in 0.77, causing some playback issues)
• Fixed: Some TrueHD files would not decode correctly
• Fixed: Clipping protection did not engage when using Integer output

0.77.1 - 2022/11/15
LAV Splitter

• Fixed: More MP4 keyframe information fixes

0.77.0 - 2022/11/10
LAV Splitter

• Fixed: Improved handling of multichannel PCM channel assignments
• Fixed: MP4 Keyframe information could be wrong

LAV Audio

• NEW: Support for audio with more then 8 channel, including automatic downmixing if required

0.76.1 - 2022/02/28
LAV Splitter

• Changed: When requesting a HTTP URL, the URL itself is send as a referrer to increase compatibility
• Fixed: The priority of "Default" subtitle tracks in MKV files was wrong when a forced track was present

LAV Video

• Changed: Improved color reporting for DVD menus/subtitles
• Fixed: D3D11 surface clearing did not work properly on Intel GPUs