Small assignment for the new UI developer. Sometimes the chat can be convoluted and some players may want to seek the leader's messages more easily. This is a fancy feature that some could enjoy; example: leader's text is light blue, co-leader's is yellow.

The following has been already mentioned in a different post. I think allowing co-leaders to edit the pinned message can help some teams that are in the verge of dissolving because of an inactive leader (it may also reduce requests for transferring leadership from one player to another).