Bring back the ability to personalize the folder list.
I don't use these folders: scheduled, starred, unread - and yet I now have to scroll past them to see the folders I use ALL THE TIME. Why are you making me do all this extra work? Errors will increase, because I will end up moving important email into something useless, like "starred", instead of the folder I actually need. LET USERS CONTROL THE UI. Let ME decide what folders appear in the folder list.
72nd
ranked