Xpadneo
From wikinotes
Designed for Xbox One S v2 controllers over bluetooth.
Full feature support, and confirmed working even through wine/proton games.
For wine/proton games you may or may not need to disable controllers.
See steam proton#DirectInput API for instructions.
Documentation
github https://github.com/atar-axis/xpadneo
Install
pacaur -S xpadneo-dkms sudo rmmod xpad steamos_xpad sudo modprobe hid_xpadneo
NOTE:
installs with /etc/modprobe.d entries to disable ertm, and load self as kernel module automatically