Don't forget, this is his second year hat Bayern. All in all, he's played well over 2000 minutes last season. This season, he's already had two longer injuries that have kept him sidelined for 3 months. Thus, he's played only 700 minutes so far, but I'm sure there'll be more. Ancelotti has also stated publicly (I think it was a press conference) that both Coman and Kimmich will not be sold and play for Bayern next season.
Doesn't sound like departure at all.