This is fdupes 2.1.0. If you're an end-user then you probably want the file named fdupes-2.1.0.tar.gz. The other archives are created automatically by GitHub and are intended for developers.
Changes from 2.0.0 to 2.1.0:
- Rename cs command ("clear all selections") from cs to csel.
- Rename igs command ("invert selections") from igs to isel.
- Add "prune" command as synonym for DELETE key.
- Clear selections after deleting files via prune/DELETE.
- Fix dependency issues when fdupes is configured to not use ncurses.