This release requires FFmpeg 4.0 or newer.

Features

Added

• vo_gpu/d3d11: allow configurable swapchain color space for native HDR output
• player: add mechanisms for better logging as preperation for console.lua
• audio: add ao_audiotrack for Android
• input: introduce a pseudo key name that grabs all text input
• wayland: add grab zone for resizing window with mouse
• osc: implement pseudo client side decorations via OSC
• vf_gpu: add video filter using vo_gpu's renderer
• added console.lua: interactive REPL for input commands
• osc: display Santa hat for idle logo in December
• vd_lavc: add option to autoselect known good hwdec implementations
• mac: replace old event tap for media key support with MediaPlayer

Changed

• input: disable gamepad code by default
• vo_gpu: allow vdpau usage under EGL
• stream, demux: redo origin policy

Removed

• mac: remove Apple Remote support
• client API: deprecate tick event

Options and Commands

Added

• vo_gpu/d3d11: add --d3d11-output-csp for configuring swap chain color space
• command: add command-list property
• command, input: add input-bindings property
• command: add --window-maximized and make --window-minimized settable
• command: add property returning hidpi scale
• command, lua: add a way to share data between scripts
• client API, lua: add new API for setting OSD overlays

Changed

• add a builtin "sw-fast" profile, which restores performance settings for software video conversion. These were switched to higher quality. This affects video outputs like vo_x11 and vo_drm, and screenshots.
• options: make --show-profile without parameters list all profiles
• wayland: support for --hidpi-window-scale option
• stream_lavf: set --network-timeout to 60 seconds by default
• x11: scale window-scale by DPI

Deprecated

• deprecate --input-file
• deprecate --video-sync=display-adrop
• deprecate all input section commands
• deprecate --display-fps, replaced by --override-display-fps

Removed

• remove deprecated --playlist-pos alias

Fixes and Minor Enhancements

• vo_drm, vo_x11: allow use of zimg
• vo_sdl: Support mouse wheel input, Improve mouse button input
• video: fix track switching work for external images
• vo_gpu: fix infinite scaler reinit spam
• f_output_chain: fix possible crash when changing filters
• vo_gpu: opengl: add hack for ancient Mesa/GLX
• demux_lavf: export demuxer_id for more formats which have it
• lua: make later key bindings always have higher priority
• drm_common: fix display FPS estimation for interlaced modes
• vo_drm: fix incorrect pixel format possibly being picked for 30-bit
• zsh completion: fix pcre usage to really be optional
• options: increase consistency between list options and document them
• osc: reduce unnecesary CPU usage by using property notifications

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 v0.30.0..v0.31.0 in the git repository or by visiting either https://github.com/mpv-player/mpv/compare/v0.30.0...v0.31.0 or https://git.srsfckn.biz/mpv/log/?qt=range&q=v0.30.0..v0.31.0