Stadia controller works on Nintendo Switch with 8BitDo Bluetooth adapter - in case you missed it : r/Stadia

someone tested if the controller works with 8bitdo usb adapter

supported_controllers [Batocera.linux - Wiki]

Stadia Controller on Switch 8BitDo v2 : r/Stadia

How to use stadia controller on nintendo switch after bluetooth

Stadia controller works on Nintendo Switch with 8BitDo Bluetooth

8bitdo 2022 New Arrival Ultimate Wired Controller Suit For Xbox

Getting Started with the 8BitDo Bluetooth GamePads

Google Stadia Review

8BitDo's New Controller is For Disabled Gamers

Stadia controller on Nintendo switch

8Bitdo Ultimate C Bluetooth Controller for Switch

Which is your go to controller for the steam deck? : r/SteamDeck

Yes! 8BitDo is adding Stadia Controller support for Nintendo Switch