Lightning pose app

Welcome to the git repo for the lightning-pose-app.

This is a separate repo from core lightning-pose. You should not have to clone this unless changing source code.

📖 Documentation

Our full documentation, including installation guides, API references, and advanced tutorials, is available at:

👉 https://lightning-pose.readthedocs.io/

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📝 Release Notes

[2.0.8.3] — 2026-04-08

• Add viewer warning if video framerate or duration is inconsistent across views
• Fix 2.0.8.2 fps calculation
• Fix message in create model dialog about base

[2.0.8.2] — 2026-04-08

• Add ffprobe debug info to each video tile in the viewer.
• Fix 2.0.8.1 bug when multiview videos had different sizes

[2.0.8.1] — 2026-04-08

(Yanked, do not use)

• Fix viewer bug impacting accuracy of keypoint placement in rare scenarios.

[2.0.8.0] — 2026-04-07

• Redesigned Home page with a responsive project grid and rich project statistics (#65)
• Added project deletion: unregister vs. full delete (#65)
• Updated dropdown component: darker background, Popover API, fixed Actions button in models (#65)
• Added informational tooltips about file paths used in app: projects, labels, sessions (#73)
• Refined single-view labeler experience by hiding 'unknown' view (#73)
• Restored keypoint name tooltips in labeler and added keypoint label font size slider (#74)

[2.0.7.1] — 2026-03-17

• Refined labeler UX Fixed dragging off-center behavior, fixed subpixel rendering, and added keypoint text labels (#61)
• Added keypoint opacity and size controls to the labeler (#61)
• Added tooltips for data and model directories on project hover (#62)
• Added likelihood threshold control in viewer (#62)
• Improved display of calibration file information (#62)

[2.0.7.0] — 2026-02-26

• Added slider for video tile size in viewer
• Improved speed of loading label files and sessions lists by @hummuscience in #55
• Improved robustness of model creation date by @hummuscience in #55
• Fixed bug with saving empty labeling queue in #58

[2.0.5.4] — 2026-02-17

Added:

• Ability to resize left pane in Viewer, Labeler

Bugs Fixed:

• Labeled frames duplicated in unlabeled frames queue (#51)

[2.0.5.3] — 2026-02-10

Update (2026-02-17): This version introduced a bug #51 that was resolved in the next version, 2.0.5.4

Added:

• Extract frame from Viewer feature
  • You can now mark frames for labeling from the viewer, including the model's predictions on that frame.
• Remove frame from Label File or Label Queue feature
• Labeler View Options
  • See temporal context of frame (+/- 2 frames)
  • Image Brightness and Contrast slider

Behind the scenes

• Icons are now embedded in the app instead of CDN-hosted, so they can render locally without internet.
• Upgraded Angular from v20 to v21

[2.0.5.2] — 2026-02-04

Added

• Bundle Adjustment
  • Preview calibration before saving
  • Adjust extrinsics only by default, other algorithm improvements
• Model Management
  • Support for deleting and renaming models from the models table
  • Auto-open model logs after creation
• Misc
  • Added in-browser recommendation to use Chrome
  • Added release notes link in upgrade check

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[2.0.5.1] — 2026-01-22

Added

• Extract frames: Manual frame selection. You can now specify a comma-separated list of frame indices to extract from a video.
• Support for uploading AVI files

Fixed

• Some usability quirks in the scroll-to-zoom viewports.

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[2.0.5.0] — 2026-01-13

Initial Release