is a specific beta build of the popular macOS photo management utility developed by Fat Cat Software . While standard users typically use the stable 2.x or 3.x branches, beta releases like b3 are issued to test fixes for merging stalls or library access issues on the latest macOS updates. Core Functionality

: Create, split, and merge multiple libraries without losing metadata.

: Queries libraries for specific file sizes, dimensions, or video durations that Photos cannot natively filter. Why Use Beta 2.0.2 b3?

: Often recommended by Fat Cat Support if the stable version fails to read a corrupted library database. Pro Tips for PowerPhotos

: Finds identical or similar images using histograms and bitmaps , allowing for safer cleanup than generic "cleaner" apps.

: Often addresses specific crashes during large library merges .

: Drag and drop albums between libraries while preserving titles, keywords, and dates .