Looking at https://bugs.freedesktop.org/show_bug.cgi?id=105974#c5 I see the problem... the K400 Plus tag--i.e. LIBINPUT_MODEL_LOGITECH_K400+--has not been added to libinput-model-quirks.hwdb Next?
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libinput in Ubuntu. https://bugs.launchpad.net/bugs/1762536 Title: double tap on touchpad isn't recognized as double click on ubuntu 18.04 bionic To manage notifications about this bug go to: https://bugs.launchpad.net/libinput/+bug/1762536/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
