uBlock Origin + Cookie Notice blocklists also work fine.
I started to write this comment meaning to add that Firefox does it all by itself now, but I just read that such feature "is not currently available anymore".
Using uBlock to hide the cookie banners mostly works, but there are occasional websites where it's buggy: I have to disable uBlock, accept or reject cookies, then re-enable uBlock.
So some websites actually require an accept/reject, and don't work if just visually hiding the banner, which is what this does.
I started to write this comment meaning to add that Firefox does it all by itself now, but I just read that such feature "is not currently available anymore".
https://support.mozilla.org/en-US/kb/cookie-banner-reduction
Does anyone know what happened after years of development, before I delve into their Bugzilla to find out?