It doesn't make much sense to filter from "inbox" to "outbox" on the welcome screen ;)
I don't see the folderbar on the welcome screen..maybe this has already been fixed?
I can confirm, and after making this work and accidentally breaking the unread label I corrected that mistake. It should behave as expected now.
bumping this report. I'm seeing this on the welcome screen currently.
It might be worth mentioning that I did have an account at one point, but I then deleted my .config folder :p
Bug watches keep track of this bug in other bug trackers.
I don't see the folderbar on the welcome screen..maybe this has already been fixed?