This sounds like a regression with the libinput package so I have tagged this.
Please download and install the beta 2 candidate ISO to see if you can reproduce this issue. http://cdimage.ubuntu.com/ubuntu-budgie/daily-live/current/ ** Also affects: xserver-xorg-input-libinput (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-libinput in Ubuntu. https://bugs.launchpad.net/bugs/1760975 Title: Random right click behaviour with synaptics touchpad To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntubudgie/+bug/1760975/+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