Created attachment 56593 [details]
xinput list --long
forwarded from https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/921139
Horizontal scrolling with the new input stack seems inverted. Attached the output from 'xinput list --long' (git version) as requested earlier on irc.
*** This bug has been marked as a duplicate of bug 46205 ***