> I also wish there were more keyboard shortcuts for opening links in specific containers, or re-opening a current tab in a different one.
fwiw, there are add-ons that allow you to do this - in one way or the other (Container Hotkeys https://addons.mozilla.org/en-US/firefox/addon/container-hot... for example).
but out of curiosity,
> I know you can set certain domains to always open in certain containers - fine for Facebook, when I occasionally have to use it - but annoying when I'm trying to do things in different (e.g.) Bluesky accounts.
on this one btw, the Containerise extension i talk about (if it wasn't clear) allows you to also map "portions" of the url in specific containers. so /u/0 in one /u/1 in another; ofc, this requires the service/website to distinguish the accounts via the url. i do this for github a lot (work repos in specific containers)