Very nice work from I_AmNoJedi.

Dave Filoni in a 4 minute interview with Collider from Celebration, confirming he wrote all the episodes, and that he directed at least two episodes. Episode lengths are similar to that of The Mandalorian, “maybe on average a little longer”:

Dave Filoni on Writing Ahsoka, Future Star Wars Series, and Rebels

He does say fans won’t have needed to have watched Rebels for Ahsoka, but if people were “really interested in it”, watch the “Jedi Knight” episode onwards, or to just watch Season 4 and “they would be set”.