Features

Added

• Windows: allow snapping to screen edges (#2248)
• macOS: add border cycling (#2430)
• player: add experimental C plugin interface
• player: add experimental stream recording feature (--record-file)
• player: add prefetching of the next playlist entry (--prefetch-playlist; does NOT work with URLs resolved by youtube-dl)
• stream_lavf: add support for data URIs (#4058)
• vaapi: add support for 10-bit video formats (requires patched Mesa and capable hardware)
• x11: pseudo HiDPI scaling

Options and Commands

Added

• sub: add --sub-justify and --sub-ass-justify options
• sub: add option to force using video resolution for image subtitles (--image-subs-video-resolution)

Changed

• command: rename framedrop properties
  • drop-frame-count → decoder-frame-drop-count
  • vo-drop-frame-count → frame-drop-count
• input.conf: change "L" to change loop-file by default

Deprecated

• --hwdec-preload (replaced with --opengl-hwdec-interop)

Removed

• options: drop deprecated --sub-codepage syntax
• options: drop deprecated --vd/--ad codecs selection features
• player: remove --stream-capture option/property

Fixes and Minor Enhancements

• Windows: update the fullscreen state on restoring
• ad_spdif: fix obscure cases of AC3 passthrough (e.g. 44100 Hz AC3)
• ao_oss: use --audio-device if --oss-device isn't set (#4122)
• build: fix --disable-gl if cuda is enabled
• build: rpi: rely on pkgconfig for compiler flags to ease cross compilation
• charset_conv: fallback to interpreting subs as latin1 if iconv fails
• charset_conv: fix "auto" fallback with uchardet not compiled (#3954)
• client API: fix freeze when destroying mpv_handle before mpv_initialize
• client API: fix mpv_set_property() return value before init (#3988)
• command: fix potential crash for script-binding with multi-commands
• command: nicer OSD formatting for loop-file
• command: shorten long playlists on OSD
• config: do not resolve default profile during "include" processing (#4024)
• cuda: fix 10 bit decoding
• cue: accept lower-case cue commands (#4057)
• demux_mkv: any reference makes a frame not a keyframe (fixes seeking in WebM files with alpha channel)
• lavfi: slightly better disconnected output handling (#4118)
• lua: close directory after reading its entries (#4045)
• macOS: consistent normalization when searching for external files (#4016)
• macOS: don't change Space on quit in fullscreen (#3957)
• macOS: don't constrain window frame for fullscreen (#4044)
• macOS: don't init displaylink on reconfig (#4031)
• macOS: fix build on OS X 10.9 (#3946)
• macOS: fix color profile retrieval
• macOS: fix displaylink refresh rate retrieval
• macOS: fix dropping of files and URLs (#4036)
• macOS: fix handling of geometry option (#3867)
• macOS: fix unwanted behavior with window level other than the default (#1757, #1884)
• macOS: fix window size in certain circumstances
• macOS: properly recover from toggleFullscreen fail (#4035)
• osc: allow playlist buttons when looping (#4092)
• osc: bottom/topbar: clip title instead of stretching
• osc: bottombar/topbar: make chapter markers slightly bigger
• osc: box: clip with ellipsis after too much stretching
• osc: fix crashes related to field eventresponder being nil (#3210)
• player: add .scc subtitle extension
• stream_bluray: use proper 0-based index
• sub: remove .txt as text subtitle extension
• tv: fix segfaults on TV input (#4096)
• vaapi: set libva > 0.39.4 message callbacks to prevent it from printing messages to the terminal
• vd_lavc: improved fallback behavior for --hwdec=cuda (#3914)
• vdpau: reject decoding of non-4:2:0 (would decode to garbage)
• vf_lavfi: don't crash with VOs without hardware decoding support (#4064)
• vo_opengl, vo_opengl_cb: better hwdec interop backend selection
• vo_opengl: angle: rewrite with custom swap chain (fixes problems with e.g. 24 fps video on 24 Hz monitors, avoids problems with DirectComposition, enables "screenshot window" command on Windows 8 and newer)
• vo_opengl: partially fix rotation for 4:2:2 content
• vo_opengl: x11egl: fix alpha mode
• wayland: fix high CPU usage with mpv paused and visible
• ytdl_hook, edl: implement pseudo-DASH support
• ytdl_hook: add non-dash fallbacks to default formats
• ytdl_hook: fix opening hitbox.tv rtmp stream
• ytdl_hook: respect --no-audio, don't force-select track
• ytdl_hook: support livestream segmented DASH VODs
• ytdl_hook: support segmented dash

This listing is not complete. Check DOCS/client-api-changes.rst for a history of changes to the client API, and DOCS/interface-changes.rst for a history of changes to other user-visible interfaces.

A complete changelog can be seen by running git log v0.23.0..v0.24.0 in the git repository or by visiting either https://github.com/mpv-player/mpv/compare/v0.23.0...v0.24.0 or https://git.srsfckn.biz/mpv/log/?qt=range&q=v0.23.0..v0.24.0