The change should have been backported to 0.5.x, so you can just pull the latest commits from that branch to get v0.5.4
Vanilla is missing group icon/description
Can't seem to get the group membership working on vanilla.
Is there any particular reason it is missing ?
I mean this:
Vanilla seems to not have those, made an issue https://github.com/NodeBB/nodebb-theme-vanilla/issues/34