Shotcut

What's new in this version:

New:
- Added a Blur: Pad video filter and made it available in Slideshow generator as Pad Blur
- Added a Text: Rich video filter and made Text: HTML hidden since it is deprecated (still loads in old projects)
- Added a workspace layout switcher to the main toolbar for the new stock workspace layouts
- Added a VUI to the 360: Transform video filter to adjust parameters by dragging
- Added Set Equirectangular Projection... to the Jobs menu for a successful export job. This is used to add metadata to a video file to indicate it is 360॰ video in the equirectangular projection as required by most players and web services.
- Added Zoom to fit icons to the Timeline and Keyframes toolbars

Changes:
- Improved the performance of the Timeline especially with projects over one hour long
- Upgraded FFmpeg to version 4.3.1
- Changed Size and Position to Size, Position & Rotate and made Rotate and Scale hidden (only appears in old projects)
- Replaced Choppy, Crop: Circle, and Crop: Rectangle filters with new versions that do not use HTML through WebVfx, which was deprecated in version 20.06.28
- Changed the Rutt-Etra-Izer, Swirl, and Text: 3D filters to be hidden since they are deprecated (still loads in old projects)
- Replaced View > Layout > Timeline Project, Playlist Project, and Clip-only Project with new, better Logging, Editing, FX, Color, Audio, and Player stock layouts
- The current layout is saved automatically for each stock layout if selected, and Restore Default Layout is different for each stock layout
- Changed the video track hidden icon on the System theme to be more clear and obvious
- Show an error dialog on startup if the frei0r plugins are not installed (only affects Linux distribution packages)
- Changed the keyboard shortcut 0 to zoom timeline to fit
- Changed the keyboard shortcut Alt+0 to zoom playlist to fit
- Changed the Timeline and Keyframes time ruler interval to 1 second when zoomed in

Fixes:
- Fixed using a secure connection to get the upgrade URL
- Fixed a rounding error for Color Grading video filter
- Fixed a crash and incorrect preview scaling with more than one Rotate and Scale or Size and Position filter
- Fixed colors when using an alpha/VP8 or alpha/VP9 export preset
- Fixed video compositing with nothing on video track V1 or V1 hidden
- Fixed export may fail when using extended (non-Latin-1) characters in path
- Fixed EDL export
- Fixed Export, Convert, or Reverse may fail if a temporary file it creates becomes locked on Windows
- Fixed Properties > Color button not opening the color dialog with the current color
- Fixed the Crop: Source video filter when using Settings > Proxy
- Fixed a crash when dragging a MLT XML project file to a non-empty Timeline
- Fixed the font dialog may too big or the preview inside the font dialog too big for Text: Simple filter
- Fixed filters not being applied to the portion of a clip inside a transition after undo of Cut, Lift, Remove, Ripple Delete, or move
- Fixed a crash changing speed of a clip with non-standard non-integer or variable frame rate
- Fixed some dialogs not opening or staying in the foreground
- Fixed some crashes in timeline overwrite mode
- Fixed clicking the filters icon next to Output not opening the filters panel