hi! :) does nothing by default! (Only when you enable features.) Update soon.
thanks! consider joining us on github were we are active daily.

hi! ♥ 4.0.17.1 will be live in Firefox any moment with ~100 improvements. Unfortunately we lost our maintainer in 2022, but are getting back on track. We are over 500000 active users and only 1-3 active developers. Every volunteer will help https://github.com/code-for-charity/ImprovedTube-for-YouTube