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Release 0.9.0 (Draft)
=====================

Changes
-------

Changes that may break users' config files have been annotated with a `(!)`.

- Note: mpv is not compatible with Lua 5.3. Lua 5.1 or 5.2 is required.
- The minimum required libass version is now 0.12.1 or newer.
- The minimum required FFmpeg version is now 2.4.0 (equiv. Libav 11) or newer.
- `(!)` The internal libmpg123 support was removed.
- `(!)` The LIRC support was removed. Configure LIRC remotes as input devices instead.
- `(!)` The Linux Joystick support was removed.
- `(!)` `--ass-use-margins` has been renamed to `--sub-use-margins` and applies
  only to plain-text (non-ASS) subtitles (enabled by default). The new
  `--ass-force-margins` option applies only to ASS subtitles (disabled by
  default). To get the old behaviour back, enable both at the same time.
- `(!)` The `--sub-scale-with-window` option now only applies to plain text
  (non-ASS) subtitles (enabled by default). The new `--ass-scale-with-window`
  option does the same but only with ASS subtitles (disabled by default).
- `(!)` The range for the `param1` for the `gaussian` `vo_opengl` scaler has
  been redefined. Instead of being an arbitrary 1-100 range, have a default
  value of 1.0, and anything higher is blurrier.
- `(!)` The `seek`, `playlist_next, `playlist_prev`, `loadfile` and `loadlist`
  parameters no longer accept numerical parameters where symbolic parameter
  names exist.
- `(!)` `vo_opengl` changes:
  - `(!)` The `smoothmotion` suboption has been renamed to `interpolation`.
    The old name is still supported for now.
  - `(!)` The `bilinear_slow` scaler has been renamed to `triangle`.
  - `(!)` `scale-down` has been renamed to `dscale` and now has its own set of
    config options (e.g. `dscale-radius`).
  - `(!)` Scaler radius no longer defaults to `3` but to a preferred value
    that may be different for each filter.
  - The `scale-radius` option may now go down as low as `0.5`, which is the
    value used by the `nearest` filter.
  - `spline36` is the new `cscale` default for `opengl-hq`.
- `(!)` `vf_format` no longer converts video to YUYV if there is no parameter.
  Video is now passed unchanged unless a format is specifically requested.
- `(!)` The `--colormatrix`, `--colormatrix-input-range`,
  `--colormatrix-output-range` and `--colormatrix-primaries` options have been
  converted into `vf_format` suboptions. See commit 27715b7 and the manual for
  details.
- The `device` subption to `ao_wasapi` has been deprecated in favor of
  `--audio-device`.
- `--video-rotate` now allows 360 as an argument instead of stopping at 359.
- Several improvements to `af_scaletempo`.
- Options that have multiple options and also include a "yes" option now
  default to that if specified with no arguments.
- The default value of `--cache-default` is now 150000 (150 MB, ~146 MiB).

Bug fixes
---------

- mpv no longer saves position on files that can't be resumed (issue #1701).
- (X11) Fix the player thinking the mouse has left the window in some WMs /
  embeddings (issue #1672).
- mpv no longer freezes on wayland when the compositor stops asking it to draw
  itself (e.g. when minimized) (issue #249).
- `.ac3` files are no longer rejected by `--audio-file-auto` (issue #1759).
- `ao_wasapi` now automatically enables `exclusive` when passthrough is
  attempted (issue #1742).
- Attempt to fix flickering on Intel VAAPI drivers (issue #1765).

New features
------------

- `vo_opengl` features:
  - Added `ewa_ginseng`, `ewa_hanning`, `robidoux`, `oversample` scalers.
  - Added `gamma-auto` option that uses ambient light sensors to automatically
    adjust the video gamma. See commit c028d78 for details.
  - Added `blend-subtitles` option to draw subtitles directly into the video
    instead of rendered afterwards. Potentially necessary for correct rendering
    with files that use ASS subtitles for typesetting in combination with an
    `icc-profile`. Enabled by default on `opengl-hq`. See warning on the
    manual.
  - There is now a `tscaler` option, used to choose the temporal scaler used
    in the `interpolation` mode (previously `smoothmotion`).
  - Some scalers now have aliases with "sharp" appended that have different
    defaults from the base filter (`robidouxsharp`, `ewa_lanczossharp`).
  - There is also an opposing "soft" alias to `ewa_lanczos`.
  - The Jinc-using filters (EWA filters) now have a `scale-blur` parameter to
    adjust the amount of blur that the filter produces. Deviating from the
    default may introduce artifacts.
- Add support to pitch correct stretched audio with librubberband.
- Add support for the Raspberry Pi 2's hardware decoder when FFmpeg (or Libav)
  is built with `--enable-mmal`. See commit 8fff125 for details.
- The `--cache` option now accepts a "yes" option, that always enables a
  `--cache-default`-sized cache on all cases a cache can be used, unless
  `--cache-default` disables caching.
- `ao_pulse`, `ao_coreaudio` and `ao_wasapi` now support device hotplugging.
- New `--osd-align-x` and `--osd-align-y` options can be used to align the OSD
  independently from subtitles.
- New `--osd-bold` and `--sub-text-bold` options can be enabled to bold all
  OSD or plain-text subtitle text, respectively.
- Added a default keybind to the `u` key that enables/disables ASS style
  overriding. When enabled, is equivalent to `--ass-style-override=force`.
- There is now a `MOUSE_ENTER` keybind, that is called when the mouse cursor
  enters the VO from outside.
- The new `--ytdl-params` option can be set to arguments that are always given
  to `youtube-dl` invocations. There is no sanity checking, so invalid options
  can prevent `mpv` from working with http URLs.
- `vo_direct3d_shaders` now supports NV12 colorspace without using stretchrect,
  but it seems no drivers actually support that.
- (Client API) Added a `rescan_external_files` command, as requested on issue
  #1586.
- (Client API) If enabled, initializing the Client API will now also load the
  user's `mpv.conf`.
- The `--input-file` argument may now also be a file descriptor in the form
  "fd://N", where N is the FD number.

This listing is not complete. A complete changelog can be seen by running
`git log v0.8.0..v0.9.0` in the git repository.