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sam-ui v0.1.0
First desktop release of sam-ui: studio and the SAM 2 / SAM 3 backend in one macOS app (Apple Silicon).
- Runs the full SAM 2.1 large model locally on your GPU (MPS). It downloads the checkpoint on first run (about 900 MB) and verifies its SHA-256.
- Per-object cached tracks: Track only re-runs objects that are new or changed. You can keep clicking while a track runs.
- SAM 3 tracking is optional. Accept Meta's SAM License on Hugging Face, then use SAM 3 > Download SAM 3 with a Hugging Face token. Every file is hash-checked, and the token is never saved. You can also point the app at weights you already have.
- Exports an MP4 with per-object effects, and a rotoscoping working folder.
Unsigned build: right-click the app and choose Open the first time, or run xattr -dr com.apple.quarantine /Applications/sam-ui.app. See desktop/README.md.