Thank you! I've been eagerly awaiting containers for a while, but didn't want to switch to nightly

"online trackers can’t connect your browsing in one container to another"

Yeah sure, because we all know that deleting cookies makes you totally anonymous on the internet. /s

This looks great! It would make for a natural fit with tab groups, unfortunately Mozilla has removed that feature, and the extension will not be updated [0] to support the new extension API at the end of this year.

[0] http://fasezero.com/lastnotice.html