This is fdupes 2.1.1. If you're an end-user then you probably want the file named fdupes-2.1.1.tar.gz. The other archives are created automatically by GitHub and are intended for developers.
Changes from 2.1.0 to 2.1.1:
- Break mtime ties using ctime when sorting by time.
- Reduce number of calls to stat(), for speed.
- Clear last command status when new command is entered.