GitHub - uchks/StadiaFW: Google Stadia Controller Bluetooth (and Wi-Fi) Firmware Dumps. Use something like: https://github.com/luigimannoni/stadia- controller-flasher for flashing.
Google is enabling Bluetooth support for the Stadia controller after the service ends | Page 2 | GBAtemp.net - The Independent Video Game Community
![bt_att_write_hid_report() must take into account GATT characteristic properties · Issue #626 · darthcloud/BlueRetro · GitHub bt_att_write_hid_report() must take into account GATT characteristic properties · Issue #626 · darthcloud/BlueRetro · GitHub](https://user-images.githubusercontent.com/1285934/222538849-2d67bf37-74b5-405f-9ca0-1729eb6c846b.png)