FAQ - SebastianPfliegel/libratbag GitHub Wiki
Is my device supported?
For a quick check which devices are currently supported, see the device files in this directory: https://github.com/libratbag/libratbag/tree/master/data/devices
My device isn't supported yet, will it be?
Depends, largely on your efforts because it may require reverse-engineering the driver. Start at Developers and go down the rabbit hole from there.
Building and installing libratbag
See Building from source for a comprehensive step-by-step guide.
Piper does (not) ....
Piper is the GTK-based GUI that connects to libratbag. Anything that has to do with the GUI itself should be filed as piper issues. A device that does not show up or does not configure correctly, is likely a libratbag issue.