- Integrate extension render hooks into frameRenderer and modernFrameRenderer
- Add modernFrameRenderer for compositing extensions during export
- Wire extension audio processing in audioEncoder
- Support extension hooks in gif and video export paths
- Extension loader with manifest validation, ID sanitization, and path traversal protection
- Permission-gated runtime API (render, cursor, audio, timeline, ui, assets, export)
- Extension host with lifecycle management (activate/deactivate)
- Marketplace client for browsing, downloading, and installing extensions
- Extension Manager UI panel with enable/disable/uninstall
- IPC bridge for extension discovery, management, and marketplace operations
- Proxy guard on window.electronAPI to block extension access to privileged IPC
- Zip-slip protection via post-extraction directory traversal validation
- Safe PowerShell invocation for Windows zip extraction (no string interpolation)
- File URL resolution with path escape prevention
Align decoded frame timestamps with the media timeline so trimmed exports do not end early on recordings whose video stream starts after the container timeline.
Instead of freezing at 'Finalizing 99%' while audio renders in real-time,
the export UI now shows 'Rendering audio XX%' with a live progress bar and
an explanatory note about why real-time playback is required.
Progress is reported every 250ms from the RAF tick loop in AudioProcessor
and piped through VideoExporter to the UI via the existing onProgress callback.
The zoom spring animation in both frameRenderer and modernFrameRenderer
was using performance.now() (wall-clock time) to compute spring deltas.
During export, wall-clock time and content time are decoupled — a frame
representing 33ms of video may render in 3ms or 500ms. This caused zoom
animations to appear choppy/laggy in exports while previews were smooth.
Switched to content-time deltas (timeMs) so the spring advances at the
same rate as the video regardless of actual render speed.
Also bumps version to 1.1.20.
Both legacy (FrameRenderer) and modern (ModernFrameRenderer) exporters
now use inlined spring solver and cursor follow camera for auto zooms.
Wire zoomSmoothness config through both exporter paths.
Adds video file detection (mp4/webm/mov/etc) to wallpaper system,
renders video backgrounds with looping playback in editor preview,
and adds Video tab to background picker in settings panel.
- Hardened IPC with safety guards for all webContents.send calls
- Scrubbed sensitive absolute paths from caption logs
- Realigned Windows artifact naming logic
Add canvas caption rendering during frame export, carry caption settings through GIF and MP4 export paths, and clean up muxer resources while exposing the saving phase in export progress.
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