4.7.7

• on Win 7 the theme color was hard coded to DarkSlateGrey because
  WPF was returning a bad color on Win 7, this was fixed by reading
  the theme color from the Registry on Win 7. If the theme color
  is identical to the background color it's corrected
• dark-color setting was added to overwrite the OS theme color used in dark mode,
  find the setting on the General tab
• light-color setting was added to overwrite the OS theme color used in non dark mode,
  find the setting on the General tab
• various changes regarding input handling, multi media keys and
  mouse forward/backward were successfully tested
• it's now possible to use a custom folder as config folder.
  A TaskDialog shows five options: 1. appdata mpv.net, 2. appdata mpv (shared with mpv),
  3. portable_config, 4. startup, 5. custom
• slightly increased startup performance, start-threshold setting added.
  Threshold in milliseconds to wait for libmpv returning the video resolution
  before the window is shown, otherwise default dimensions are used as defined
  by autofit and start-size. Default: 1500
• autofit-smaller setting added. Minimum window height in percent. Default: 40%
• autofit-larger setting added. Maximum window height in percent. Default: 75%