https://www.bleepingcomputer.com/news/google/google-cuts-play-store-dev-fees-to-15-percent-for-all-subscriptions/

Google announced that they are dropping the 30% flat service fee for in-app purchases or app sales to 15% starting January 1, 2022. 

The tech giant previously offered this discount after 12 months of a recurring subscription, but with this announcement, they are now making everyone eligible from day one to receive this discount from day one.