Identifying "useless" files like unused language locales, cache files, and universal binary portions that can be safely removed to speed up the Mac.
Enhanced handling of Time Machine volumes, whether they are stored on external drives or remote network machines. WhatSize 6.5.3
Improvements to the physical "On Disk" file size calculations to ensure users see exactly how much space is being occupied. WhatSize 6.5.3
General bug fixes aimed at improving the app’s overall reliability during large disk scans. Core Benefits of the Utility WhatSize 6.5.3