It has the apfs-monitor and basic media browser that’s roughly a cross between pre ElCap iPhoto and pre OSX iView multimedia and you can edit tags and comments and dive into tag groups by clicking tags. Extended attributes and file metadata are loaded into a SQLite DB at startup and all that fetching never happens again.
Since the released version I’ve added ~100 features.
Repo is trunk based and atypical for github. There are brew based dependencies.