For the highest quality and security, download the John the Ripper bleeding-jumbo source code from GitHub and compile the executable yourself using Visual Studio or Cygwin.

In the infosec community, no reputable package (from OpenWall, Kali Linux, or Debian repos) includes the words “extra quality.”

While there isn't an official version specifically branded as "Extra Quality," the term usually refers to the of John the Ripper , which includes the latest community-contributed scripts and "extra" support for modern encryption formats like BitLocker. Key Functions of bitlocker2john