[quote=@whizzball1]
<Snipped quote by Mahz>

Does this include any way for administrators or moderators to change the GM of a roleplay, in case the GM has for example disappeared or abandoned the roleplay?
[/quote]

I'll consider this sort of feature when there are actual co-GM-/GM-specific powers.

[quote=@Captain Jordan]
<Snipped quote by Mahz>

Bravo! 

Will the username auto-suggest system also be extended to PMs?
[/quote]

Some day™.

The auto-suggestion system was easy to hook up for the co-GM form since you can only add one at a time, so the auto-suggestion UI can just take over the entire input. But the new-convo form is a comma-delimited list of usernames, so it'll involve some thinking + refactoring to implement.