This initial release adds native Bluetooth support for the following official controllers:

• Nintendo Wiimote + Nunchuck, Classic/Classic Pro extensions
• Nintendo Wii U Pro Controller
• Sony Dualshock4 Controller
• Microsof Xbox One S Controller

Extract the .zip to the root of your SD card to install.

Companion applet coming soon. In the meantime, btdb.nro has been provided to view the Bluetooth pairing database to assist in adding support for new controllers.