Shotcut 25.12.30

What's new in this version:

- Higher Bit Depth: 10-bit Video CPU Pipeline
- Higher Image Quality: Linear Color Processing

There is a new sub-menu in Settings > Processing Mode with options:
- Native 8-bit CPU (fast, flexible)
- Native 10-bit CPU (slower, better)
- Linear 10-bit CPU (slowest, best)
- Linear 10-bit GPU/CPU (Experimental)

Other New Features:
Added a drop-down to the Filters menu's Video button to more conveniently browse appropriate filters for the current processing mode:
- GPU
- 10-bit
- Color
- RGBA
- YUV

- Changed the Filters menu to default to Color filters in the Color layout/workspace and Audio filters in the Audio layout
- Added a visual preset browser for New > Image/Video from HTML generator
- To add a thumbnail for your custom preset add a file named <preset-name>.webp in the preset folder.
- Added Minimize Shotcut and Record Audio to Screen Snapshot and Screen Recording
- Added support for nvenc to Screen Recording on Linux/X11
- Added support for mov_text and SSA in Properties > Extract Subtitles

Changed:
- Changed the default for Settings > Timeline > Automatically Add Tracks to OFF (changed in v25.10)
- Changed the preset folder for the HTML generator to presets/HTML
- Changed the VP8/9 WebM presets to offer greater control over quality and bitrate
- Changed New > Animation (Glaxnimate) to Drawing/Animation to clarify that this is not only for animation
- Changed New Project > Project name to not permit ? to fix unloadable project
- Changed the Opacity video filter's maximum to 200% to support reducing translucency
- Improved VA-API hardware encoder compatibility on our Linux AppImage, Portable, and Snap builds
- Changed Screen Snapshot on macOS to show a toolbar to choose rectangle or fullscreen and whether to minimize
- Removed Screen Recording on Windows 10--Snipping Tool does not support it
- Upgrade zimg (used to convert HDR to SDR and to and from linear color) to version 3.0.6

Fixed:
- Fixed dissolve transition damages color (broke in v25.10)
- Fixed export on Windows not working with some special characters in a filename (broke in v25.10)
- Fixed Settings > Player > External Monitor > DeckLink Gamma > HLG HDR (broke in v25.10)
- Fixed Stereo Enhancer and Declick Audio filters (broke in v25.10)
- Fixed alpha channel is lost from a nested XML clip (broke in v25.10)
- Fixed 10-bit with amf (AMD) and mf (Windows on Arm) hardware encoders
- Fixed Text: Typewriter cannot reduce blink rate to 0
- Fixed the defaults when using New > Text > Typewriter
- Fixed window not properly restored to maximized for Screen Snapshot
- Fixed the selection rectangle was showing when using Screen Snapshot on Linux/X11
- Fixed the UI for the Downmix audio filter (broke in v25.05)
- Fixed custom colors in color dialogs are not saved in Qt 6.9 and up
- Fixed clips are still replaced after stopping a Reverse or Convert job
- Fixed Freeze Frame is not properly adjusting the start and end of existing filters
- Fixed Toggle Keyframe at Playhead for Corner Pin video filter
- Fixed Chroma Key: Simple overwrites the alpha channel including padding for a mismatched aspect ratio
- Fixed crash on MLT XML with extremely large (>8K) resolution (CVE-2025-65834)
- Fixed audio crackle artifacts with pcm_s24le in mkv
- Fixed duration of markers are off by 1 frame in different ways and places
- Fixed the appearance of toolbars under KDE/Linux when its Settings > Colors & Themes > Application Style > Configure Icons and Toolbars > Main toolbar label is Beside icons
- Fixed a memory leak generating audio waveform data on media with an invalid or exremely long duration
- Fixed dragging media with a very long duration (> 1 day) to Timeline uses a lot of memory and unresponsive
- Fixed crash when clicking Cancel in the Set Duration dialog (also related to very long or invalid duration)
- Fixed a memory leak in Filters panel
- Fixed a possible crash in the player's scrub bar
- Fixed the vertical position of the shadow-clip when dragging a clip to a timeline with a subtitles track