Last modified: 2014-09-09 02:46:58 UTC
Switch to topics only mode. Start to create a new topic. Click preview. Preview doesn't render. Haha. Switch to topics and posts mode the preview is visible.
in backlog: https://trello.com/c/BRZ1HoGr
Update: Still happening. Not sure what should happen in this view though. It seems strange to collapse it. Throwing in a designer.