Of course, all things optional is fine. Like, it will be ignored (just like banner would) for clients having no knowledge of it.

@bender@twtxt.net @alexonit@twtxt.alessandrocutolo.it funnily enough i came up with the idea for a banner field when i started working on bbycll too (though i still need to implement avatar uploads themselves first)

@zvava@twtxt.net It is a common UI element in most social platform after all, it’s easy to include when planning something similar.