So, you're stuck: keep cookies forever or wipe out your entire history. Tough call Try a restart after clearing data. Tech can be weirdly picky. And double-check those buttons – it's like a tech scavenger hunt sometimes. [removed spam link from quote]

Still no hope, restarting after clear data still keeps cookies

Hi

Please disregard that earlier post.

What makes you believe that cookies are being retained?

Hi Please disregard that earlier post. What makes you believe that cookies are being retained?

settings still saved in some pages, I am sure they are stored in either cookies or local storage (which both should be cleared) and not account settings nor on ip. Settings successfully reset when I clear data on other browsers.

Hi

This is something that our developers are aware of and are looking into. You can follow progress on this and add comments at:

https://bugzilla.mozilla.org/show_bug.cgi?id=1858370

Work-around: Cookies can be cleared with extensions like Cookie AutoDelere