Valère on Nostr: Starting in Firefox version 135, the “Do Not Track” checkbox will be removed. ...

Starting in Firefox version 135, the “Do Not Track” checkbox will be removed. Many sites do not respect this indication of a person's privacy preferences, and, in some cases, it can reduce privacy.

https://support.mozilla.org/en-US/kb/how-do-i-turn-do-not-track-feature