Log Message:
mpv: Update to 0.34.0

Changes:
Release 0.34.0
==============
Features
--------
Added
~~~~~
- player: allow vo to be switched at runtime
- input.conf syntax: support custom quotes in `XstringX` form & single quotes
- ao_ass: readd OSSv4 audio output, default on *BSD
- player: load cover art with the media filename
- vo_gpu: vulkan: implement a VkDisplayKHR backed context
- osc: seekbar hover/drag: display target chapter at the OSC title
- stats.lua: add page 4 with a list of active key bindings
- sub: add --sub-filter-jsre (JS regex)
- vo_rpi: restore fullscreen handling
- vo_tct: add resize capability
- ytdl_hook.lua: search for yt-dlp by default (preferred over youtube-dl)

Changed
~~~~~~~
- vo_sixel: many fixes and improvements
- filters: switch from scaletempo to scaletempo2, used for `speed` option
- audio/vo_pulse: fix various edge cases and issues
- stats.lua: move internal performance info from page 4 to page 0
- command: don't hardcode command lists to be repeatable

Removed
~~~~~~~
- mac: drop build support for swift versions earlier than 4.1
- vo_gpu: drop support for libplacebo older than v3.104.0

Options and Commands
--------------------
Added
~~~~~
- vo_sixel: add --vo-sixel-exit-clear
- player: add --screen-name and --fs-screen-name
- player/command: add albumart argument to video-add
- command: add pid (process id), display-width and display-height properties
- sub: add secondary-sub-text, -start, and -end properties; \ 
secondary-sub-visibility option
- vo_gpu: add --icc-force-contrast
- player: add append-play flag to loadlist
- command: add support for secondary subs to sub-seek and sub-step
- options: add watch-later-options to configure which options are saved
- player: add track-list/N/image sub-property
- input: add --no-input-builtin-bindings option
- drm_common: add --drm-device option

Changed
~~~~~~~
- vo_sixel: change default dither to "auto"
- vd_lavc: add VP8 to the default allowed hwdec codec list
- vo_gpu: lower default deband threshold to preserve more detail
- vo_gpu: adjust interpolation-threshold's default
- demux: undeprecate --cache-secs
- options: add `Uploader`, `Channel_URL` to --display-tags defaults
- options: --audio-display determines cover priority
- command: make current-window-scale writeable

Deprecated
~~~~~~~~~~
- win32: ignore and deprecate --fit-border
- drm_common: deprecate selecting by card number in --drm-connector

Removed
~~~~~~~
- vo_gpu: remove --icc-contrast
- stats.lua: remove script-opts for the main keys (i/I)
- vo_gpu: opengl: remove --opengl-restrict

Fixes and Minor Enhancements
----------------------------
- terminal: correctly process input when foregrounded
- vo_wlshm: support presentation time
- mac: fix a window positioning bug when exiting fullscreen
- csputils: add mappings for DCI-P3 (ST.431-2) and P3-D65 (ST.432-1)
- player: make resetting of track selection to "auto" work
- stream_lavf: support rtsps
- vo_wlshm: support big endian systems
- demux_mf: add support for more image codecs
- msg: fix really-quiet option to only affect terminal output
- mac: fix traditional fullscreen on macOS 11
- ao_pulse: fix misbehavior with PipeWire when setting volume or mute
- stats.lua: include a filter's @label when displaying filters on page 1
- wayland, win32: support the display-hidpi-scale property
- win32: keep the window title-bar inside the screen
- filter_kernels: fix incorrect constant for quadric window
- command: add display-width/display-height property
- edl: add a way to add tags
- stream_file: disable readahead for remote files on macOS to fix stutter
- osxbundle: fix slow and wasteful memory allocation that caused stutter
- vo_gpu: fix extreme clipping with --gamut-clipping for HDR outputs
- af_scaletempo2: speed up using vector calculations
- recorder: fix muxing of certain codecs
- win32: support the focused property
- js: add mp.utils.append_file
- subs: fix missing subtitles on last frame
- stats.lua: show scaled resolution
- osc: expose osc-visibility via shared-script-properties
- terminal-unix: fix ^Z identification and ignore unknown CSI sequences
- context_drm_egl: allow autoprobe selection
- wayland: improve behavior with touch events
- command: make current-window-scale writeable
- vo_vdpau: don't treat preemption as an error to fix VT switching
- wayland: read XCURSOR_THEME to get cursor theme
- demux_playlist: extend maximum line size (again) to 2M
- win32: call timeBeginPeriod on demand on Windows 10
- build: allow easier selection of lua version/package
- vo_gpu: fix distortion with certain rotated videos
- drm_common: skip non-primary devices during automatic choosing
- drm_common: support USB, SPI, Writeback and unknown connector types (future \ 
proofing)