4 ms·

Wasn't this a casualty of the XUL addons being removed? The other monkey extensions were ported to the new Web Extension APIs.

• pabs3 4y ago
  Greasemonkey still works in recent Firefox versions.
  • piyush_soni 4y ago
    It does, now, but its developer took a really long time in porting, in that time TamperMonkey was developed and had really gained popularity.
    • IAmNotAFix 4y ago
      So it might actually still be the best choice.