Shotcut: v21.01.16 Release

Fixes

• Fixed image skewed with odd width when using certain combinations of filters and transitions (broken in v20.11).
• Fixed being unable to pick transparent black in filters with color pickers (broken in v20.11).
• Fixed some tooltips in Timeline, Filters, & Keyframes not showing on multi-monitor systems (broken in v20.10).
• Fixed Zoom in Scale, Position & Rotate does not always default and undo at 100% (broken in v20.10).
• Fixed crash with files having more than 32 multiplexed streams.
• Fixed quality-based VBR encoding with the VP8 Export > WebM preset.
• Fixed leading zeros for seconds in Timer video filter with MM:SS.SSS or SS.SSS formats.
• Fixed support for explicit fractional high DPI (e.g. --QT_SCALE_FACTOR 1.5).
• Fixed bad text formatting when File > Open a plain text file in Text: Rich filter.
• Fixed drag-n-drop from Playlist when a project (MLT XML clip) is in Source player.
• Fixed using the numeric keypad for some shortcuts.
• Fixed selecting the same filter Preset again.

• Fixed Export File does not check for missing files.

  Changes

• Upgraded MLT to version 6.24.0 (+).

• Upgraded Qt to version 5.15.2 for Linux & Windows and 5.12.10 for macOS.

• Improved the playback speeds of fast forward and rewind.

• Changed default for Export > Video > Interpolation to Bicubic

• Changed Playlist to not automatically start playback when add to playlist of empty project.

• Finished converting Timeline, Filters, & Keyframes to Qt Quick Controls 2 API.

• Changed keyframe interpolation Discrete to Hold.

• Improved multi-threaded performance of video track blending and video filters:

  • Alpha Channel: View
  • Chroma Key: Advanced
  • Chroma Key: Simple
  • Elastic Scale
  • Key Spill: Advanced
  • Key Spill: Simple
  • Lens Correction
  • Levels
  • Mask: Apply
  • Noise: Keyframes
  • Posterize
  • Saturation
  • Unpremultiply
  • White Balance

New

• Added support for AV1 decoding and encoding.
• Added Color space and Color transfer to Properties > Video.
• Added an Advanced mode to the Convert to Edit-friendly dialog with:
  • Added Deinterlace option (bwdif) that outputs one frame for each field.
  • Added Override frame rate and Frame rate conversion with Blend and Motion Compensation options.
  • Added Convert to BT.709 colorspace that provides HDR-to-SDR tonemapping.
  • Added detection of a HDR transfer function (ITU-R BT.2020 or SMPTE ST2084) to automatically show Convert dialog.
• Added Use Higher Performance Waveforms to Timeline and Keyframes menus (default on).
• Added a red outline around the thumnbail of the currently opened Playlist item.
• Added video filter Reduce Noise: Quantization.