mrv2 v1.2.0

[ggarra13]

v1.2.0

• Fixed Wayland support again on Linux which had broken in v1.1.9 due to
  Darby's update of glfw3.
• Fixed Wayland resizing due to a bad FLTK commit.
• Fixed libvpx compilation on Windows which had broken due to an upgrade in
  MSys2's yasm assembler.
• Made compiling FFmpeg on Windows be done in tlRender with MSys2, instead
  of the pre-flight script, so that we can use --enable-zlib and share all
  flags. This not without problems, thou, as the command-line on Windows
  is reaching its maximum length when compiling libvpx, dav1d and SVTAV1.
• Fixed Repeat Frame not repecting the pixel depth of the previous frame
  when Preferences->Loading->Missing Frames was set to Repeat or Scratched.
• Fixed Missing Frame when Autoplay was Off.
• Fixed Caching starting from behind when Autoplay was Off.
• Fixed Docking and Docking attempts to happen once the corner of the Window
  enters the docking area.
• Added support for VP8 decoding so that Ubuntu's screen capture videos can
  be played.
• Added support for macOS Sequoia (beta).

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This discussion was created from the release mrv2 v1.2.0.