I allowed the iOS app to deliver push notifications, so I receive incoming inbox items in the notification center. Swiping one of these notifications to bring up the app causes the UI to get all confused:
Tapping on the inbox icon just clears the notification circle and returns the screen to the main view, I have to tap on it again to actually bring up the inbox with the item I was trying to see.
If it matters, both times I was swiping from the list of notifications on the iOS lock screen. I also was either in the feed view or had the left menu open prior to receiving the notification, as best as my memory can recall.