Comment # 18 on bug 1190646 from Stefan Dirsch

And the winner is ...

beb94333e1450006942a7f0ee38bc2a2f5719238 is the first bad commit
commit beb94333e1450006942a7f0ee38bc2a2f5719238
Author: Peter Hutterer <peter.hutterer@who-t.net>
Date:   Wed Jan 23 20:07:37 2019 +1000

    Use the new v120 API from libinput if available