This release requires FFmpeg 4.4 or newer and libplacebo 6.338.2 or newer.

The new improved renderer (vo_gpu_next) is being worked on and not the default yet.

Features

New

• scripting: add mp.input()
• player: add an option to automatically turn on deinterlacing
• mac: add more Now Playing information and functionality
• osxbundle: automatically include MoltenVK to enable Vulkan support
• input.conf: bind Ctrl+WHEEL_UP/DOWN to video-zoom
• ao_avfoundation: initial support for AVFoundation audio driver (macOS)
• vo: add context menu support on win32

Changed

• osc: allow disabling special mouse wheel behavior
• mac: add support for dynamic change of geometry, autofit
• x11_common: allow DPI scale in unit of 0.5 and prefer the value from Xft.dpi
• vo_gpu_next: save cache to separate files
• mac: large amounts of refactoring, internal improvements and cleanups
• builtin.conf: remove debanding from the high-quality profile

Removed

• player: remove legacy, non-standard Raspberry Pi-specific support code

Options and Commands

Added

• options: add secondary-sub-delay
• options: add --osd-bar-border-size
• filter_sdh: add --sub-filter-sdh-enclosures option
• options: add --secondary-sub-ass-override
• audio: add --volume-gain option to control volume in decibels
• command: export current-gpu-context property
• sub: add --sub-lavc-o option
• command: add load-config-file and load-input-conf
• input: add --input-preprocess-wheel option
• player: add loadfile/loadlist insert-next commands
• input: rework window dragging to be command controllable
• options: add --deinterlace-field-parity option
• vo: add video-target-params property
• options: add --input-commands that runs commands at startup

Changed

• player/command: add ability to scale overlay
• mac: add support for window-id property and --drag-and-drop
• command: support passing scale to keypress
• mac: add support for --auto-window-resize, --input-cursor-passthrough options
• win32: add support for --input-cursor-passthrough option
• x11_common: support --title-bar
• sub: allow setting special page numbers via --teletext_page
• player: set --hidpi-window-scale to no by default
• osd_libass: update the OSD bar's dent and border size
• player: remove --alpha and rename --background to --background-color
• options: remove --focus-on-open and add --focus-on

Removed

• player: remove --term-remaining-playtime option

Fixes and Minor Enhancements

• vaapi: add support for vaapi-win32
• ao/coreaudio_exclusive: fix segfault when changing formats
• mac: fix libmpv usage without embedding
• build: only directly link shaderc and spirv-cross on windows
• build: enable dvbin by default again
• playloop: use a 16:9 ratio with --force-window
• mac: report modifier keys on precise scrolling
• input: fix double click handling
• input: add missing forward media key ('GO_FORWARD')
• sub: don't busy loop if the player is paused for cache
• playlist: correctly populate playlist-path with the --playlist option
• win32: opt in to the windows segment heap
• demux_lavf: remove fix_editlists hack for mp4
• wayland: fix key modifier handling again
• win32: re-enable IME
• wayland_common: guard against negative configure sizes
• demux_lavf: detect ico as images
• bash-completion: parse the mpv options lazily
• f_auto_filters: use bwdif_cuda for deinterlacing with cuda hwdec
• command: do a normal seek instead of a refresh seek when switching vo
• ad_spdif: fix DTS 44.1khz passthrough playback
• vo_dmabuf_wayland: scale smarter in hidpi situations
• hwdec_drmprime: add P010 and P210 support
• wayland: look for "default" cursor as well as "left_ptr"
• wayland_common: properly handle high resolution scrolling
• vo_vdpau: fix timing for nanoseconds
• demux_mkv: add tags for A_MPEG/L1 (mp1) audio and FFV1 video
• osdep: fix infinite loop when cancelling subprocess
• dec_sub: expand sub packet caching
• player/sub: avoid wasteful subtitle redraws
• ao_pipewire: add support for SPDIF formats
• wayland_common: implement multi-seat support
• vo: make libmpv last in the auto-probing order for cocoa-cb only
• player/loadfile: rewrite sub autoselection logic
• meson: add custom target for macOS App bundling
• image_writer: cleanup leftover files if image writing fails
• sub: fix LRC lines with multiple timestamps
• ao: don't clip floating point formats at non-unity gain
• wayland: remove old sway/wlroots hack
• hwdec/dmabuf_interop_gl: migrate to EXT_EGL_image_storage on desktop GL
• sd_ass: don't wrongly recognize \pos as \p
• ao_audiotrack: fix missing check for passthrough support
• wayland_common: log if Drag-and-Drop fails
• vo_gpu_next: render subtitles at video colorspace
• swresample: stop using deprecated {in,out}_channel_layout options
• path: don't load any files if --no-config is passed (incl. cache and state)
• vo_gpu/vo_gpu_next: fix transparency with GLX
• wayland_common: require WAYLAND_DISPLAY to be set for initialization
• vo_drm: add support for BGR formats and YUYV
• stream: enable caching for sockets, pipes and FIFOs
• ao_coreaudio: stop audio unit after idle timeout
• vo_gpu_next: add support for --dither-depth=auto
• vo_gpu_next: don't render ASS subtitles at HDR colorspace
• video/image_writer: attach MDVC metadata and CLLI metadata
• win32: resolve dropped shell links (Windows shortcuts)
• af_lavcac3enc: fix memory leak on 2ch audio
• win32: increase hires timer resolution
• input: raise maximum key down limit to 16
• input: remove max active section limit
• video/egl_helpers: fix fallback logic for EGL_KHR_create_context
• ao_pulse: reenable latency hacks by default
• hwdec/vulkan: enable the stable AV1 extension
• af_scaletempo2: fix false reporting of frame availability
• win32: fix native key repeat support
• ao_pipewire: fix some buffer size / timing calculations
• audio: pause handling improvements for pull-based AOs
• ad_spdif: specify missing media type and sample rate
• mac/vulkan: add support for frame timing via presentation feedback
• demux_mkv: corrected direction of ProjectionPoseRoll rotation
• demux_mkv: add support for BCP 47 language tags
• player: avoid busy looping during subtitle track switches

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 v0.37.0..v0.38.0 in the git repository or by visiting https://github.com/mpv-player/mpv/compare/v0.37.0...v0.38.0.