Could you please try live booting (no need to install) Ubuntu 18.10 and tell us if the newer version of libinput there is any better?
http://releases.ubuntu.com/18.10/
If it's not then please report the bug to the libinput developers here:
https://gitlab.freedesktop.org/groups/libinput/-/issues
and tell us the new bug ID.
Could you please try live booting (no need to install) Ubuntu 18.10 and tell us if the newer version of libinput there is any better?
http:// releases. ubuntu. com/18. 10/
If it's not then please report the bug to the libinput developers here:
https:/ /gitlab. freedesktop. org/groups/ libinput/ -/issues
and tell us the new bug ID.