When can we expect a family plan for Stadia?
Guess this will still take some time (the family sharing is planned for early next year), but here are some information-bits that could be interesting for you regarding Stadia family:
How will family link integrate into stadia? Will you be able to share games with family members in order to play together? Or will I have to buy a separate copy of the game for each child?
ANDREY: Family Link is supported on Day 1 to provide parents the ability to manage their child’s experience on Stadia. As a parent you have controls in your Family link app on the phone and the Stadia parental dashboard.
Family Sharing is not supported on day 1, so you’ll have to buy games for your child’s account. But it’s a high priority feature, we’re planning to launch early next year.
(This is from the reddit with Andrey and Beri on 13/11/2019)