This is fdupes 2.2.1. If you're an end-user then you probably want the file named fdupes-2.2.1.tar.gz. The other archives are created automatically by GitHub and are intended for developers.

Changes from 2.2.0 to 2.2.1:

• Fix bug in code meant to skip over the current log file when --log option is given.
• Updates to copyright notices in source code.