When are the new episodes of Ninjago coming to Netflix?

I bought an Avo but I can only find 2 seasons on Netflix. Why or when are new ones coming?

Netflix only makes two seasons on most series. More are not financially worthwhile.

https://www.stern.de/digital/homeentertainment/netflix--nach-zwei-staffeln-ist-oft-schluss---das-steckt-dahinter-9429562.html

But when do they come