>>>Will not work if the node was collapsed initially.
>>>
>>>Anyway, the behaviour of arrow is odd too.
>>
>>basically what I see is that if I collapse a branch using the arrow, the arrow disappears, and thereafter there's no way to expand that branch. Clicking the title to expand the tree only works on the root entries.
>
>It depends on the number of messages. OR if the node is collapsed or not on start.

I only had about 15 unread messages since the session.