@Daddy No official news regarding to that yet. Make sure to send Feedback straight from the Stadia app to make sure Google is aware of it. The more people requesting the specific subject, the better chance it's being implemented.
It's quite annoying I was trying to figure it out for awhile LOL
I was like why can't I browse the store!!! you can do it on the phone but you can't
seem to do it on the browser or through chromecast (unless I missed it)
there is so much missing features but i guess it's what we paid for to be a founder.