Homebrew Lighroom for macOS that supports editing videos.
Download from the Releases.
1. Project Overview
The project aims to be a native macOS color grading tool integrated into Apple Photos. The basics work (editing, saving, sync with apple photos) but theres some quirks. I don't recommend using this as your daily driver but you can try it out and see if it works for you.
2. Target Platform & Requirements
- Minimum OS: macOS 26 (Tahoe).
- Architecture: Apple Silicon (M-series) exclusively.
- Color Pipeline: Strict HDR/EDR compliance. The preview surface and export path must be configured to preserve HDR metadata and utilize the full Extended Dynamic Range (EDR) headroom of Apple XDR displays, avoiding any unintended SDR clamping.
- Important: Not all Core Image filters are EDR-safe. Every
CIFilterused in the rendering chain must be verified againstCICategoryHighDynamicRange. Where a required filter is not EDR-compatible, a custom Metal kernel must be implemented as a substitute. - Display Awareness: The app must query
NSScreen.maximumExtendedDynamicRangeColorComponentValueto be aware of the current display's EDR capabilities and adjust the preview pipeline accordingly (e.g., XDR display vs. standard P3 panel vs. external sRGB monitor).
- Important: Not all Core Image filters are EDR-safe. Every
- Data Strategy: 100% non-destructive. Edits are stored as lightweight sidecar files locally or in Apple Photos.