Shotcut 20.10.31

What's new in this version:

New:
- Added Invert (reverse polarity) audio filter
- Added showing the job progress in Windows taskbar button
- Added converting Text: HTML filters to Text: Rich
- This does not retain full fidelity, but hopefully it retains the text
- Added using the H.264 hardware encoder if HEVC not available when Proxy > Use Hardware Encoder is on
- Added Scroll to Playhead on Zoom option to Timeline menu
- Added ability to change position in Size, Position & Rotate by dragging anywhere inside the rectangle while also holding Shift
- Added rectangle VUI help tips for various video filters
- Added Size, Position & Rotate > Zoom now works in any Size mode
- Added Scroll to Playhead on Zoom to Keyframes menu
- Added keyboard shortcut for Center the Playhead: Ctrl+Shift+P
- Added keyboard shortcut for Scroll to Playhead on Zoom: Ctrl+Alt+P
- Added keyboard shortcut for rich text editor Paste Text Only: Ctr+Shift+V
- Added common preset resolutions and aspect ratios to the Add Custom Video Mode dialog

Changed:
- Improved Text: Rich filter export on Windows and Linux when display scale is fractional (e.g. 150%)
- Improved the performance of the Fade In Video, Fade Out Video, and Brightness filters on multicore systems
- Improved image quality when using Size, Position & Rotate
- Changed Export > Codec > Dual pass to not write a video file for the first pass

Fixed:
- Fixed time rulers hiding on vertical scroll in Timeline and Keyframes (regression in v20.09)
- Fixed Crop: Rectangle > Corner radius not exactly the same as in version 20.07 (regression in v20.09)
- Fixed a compatibility issue for some systems by downgrading FFmpeg to version 4.2 (regression in v20.09)
- Improved the Timeline scrolling speed and smoothness (regression in v20.09)
- Fixed Blur: Pad incorrect after splitting clip
- Fixed moving the cursor in filter fields may move playhead
- Fixed Filters allowed pasting filters when nothing selected
- Fixed saving projects to Dropbox on Windows leaves temporary files
- Fixed saving the current stock layout when switching to a custom layout
- Fixed progress dialog appears over the convert variable frame rate dialog when dragging to Timeline
- Fixed dropping file with comma in its name to Timeline
- Fixed delete keyframe button in Keyframes may remove keyframe for another parameter
- Fixed convert dialog for variable frame rate never appears if dragged directly to non-empty playlist or timeline