Ultimate Packer for eXecutables (free version using UCL compression and not NRV)

https://upx.github.io/

Pull Requests

  • app-arch/upx{,-bin}: add 5.0.1, remove 4.1.0 assignedself-maintainedbug linked
    #42296 opened 2025-05-28T14:23:40Z by winterheart

If you also like to help the Gentoo project, you can consider sending a Pull Request via GitHub.
Before doing so, you might want to take a look at the wiki page.