It's not clear which outgoing or recently closed patches have new comments in them. It is clear with the incoming reviews though because the recently updated patch has been marked bold. Can we do the same thing with the outgoing and recently closed patches too?
There is a pending Gerrit upgrade (T70271) that may or may not change this in some way (I haven't looked). But after that upgrade, Gerrit will be even more in maintenance mode. Our (WMF RelEng's) effort will be predominantly on the migration to Differential (Gerrit-Migration) wrt our time on code-review systems.