DO I HAVE TO "CONVERT" MY OLD TITLES BEFORE I CAN USE MIXED CASE TITLES IN NEW LISTS? (No I Do Not)

Update: Seems it was a bug, now fixed. Disregard!
  1. Because I'm happy to start using mixed case in new lists.
  2. But, like, I'm a programmer so I don't trust your algorithm with my old lists.
  3. Sincerely,
  4. Breece D'J Pancake
  5. I mean Geoff