[yesnomaybe]

For no 1 - see https://librewolf.net/docs/faq/ looks like 3 days, sometimes same day

[neilv]

Thank you, that's unfortunate. (Incidentally, I like that their FAQ has some good questions and honest-seeming answers.)

I think I've sometimes seen security update delays that bad from Tor Browser, but that's also bad there.

I think the security update delay situation would need to be improved.