Board Thread:Anime/@comment-27321453-20200529112435/@comment-1327106-20200529174853

Elal08 wrote:

Wow!!! Just... I have a question. Why the season 4 is switched the studio? It was a Wit Studio and now MAPPA.

It's been a while since I read the initial news, but I believe that Wit Studio was burned out from doing the previous seasons and they indicated towards the end of Season 3 that they would not be doing 4. It was voluntary on their part.