One more thing I hope is known and can be fixed. If a topic is locked or pinned at the top of a list, when you navigate to the topic you actually land on the lock/pin link if it is a pin link you will unpin the topic instead of opening it. However at least on Windows with jaws you will hear the topic name making you believe that pressing enter will open the topic. The introdcuction of headings for topics have not solved the issue, since the pin/lock state link is focussed. not the topic link.
Claus