Where did you get that from? In the very likely event that Disney tries to go places with these characters, I’d like to know sources.
There are lots of Pixar movies with no sequel. Do you think there’s going to be an Onward 2 or a Soul 2, let alone a Wall-E 2 or an Up Higher?
I could find it on a Pixar site with a quick search.
https://www.pixar.com/turning-red
Ah, good, thanks! 
Y’know, given that level of world-building and how much, ahem, notoriety this film has received, I have to think that Disney will be planning, at minimum, a spinoff project of some kind. (Ming’s history with her mother and how they came to Toronto in the first place would be the obvious choice.) Heck, if flippin’ Kronk could get his own movie (which from what I’ve heard isn’t that good), Ming or one of Mei’s crew certainly deserves something.
I found this neat little four-part series about a theoretical way in which Ming met Jin:
