Just tried two mice with horizontal wheel support. It's only the Logitech that's broken and seems to be a mix-up at the kernel level. evtest says this about horizontal wheel rocking:
Bluetooth Logitech M337: BTN_SIDE / BTN_EXTRA USB Microsoft Comfort Mouse 4500: REL_HWHEEL The Microsoft Mouse works fine with Mir horizontal scrolling. Maybe a Bluetooth subsystem bug? ** Summary changed: - Horizontal wheel scrolling doesn't work + Horizontal wheel scrolling doesn't work on Logitech Bluetooth M337 mouse ** Changed in: xorg-server (Ubuntu) Status: Triaged => Invalid ** Also affects: mir (Ubuntu) Importance: Undecided Status: New ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: mir Status: New => Invalid ** Changed in: mir (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1605154 Title: Horizontal wheel scrolling doesn't work on Logitech Bluetooth M337 mouse To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1605154/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp