Commenting out: greeter-show-manual-login=true in /etc/lightdm/lightdm.conf.d/90-arctica-greeter.conf
Appears to return the previous login characteristics of Ubuntu MATE.
Commenting out: greeter- show-manual- login=true in /etc/lightdm/ lightdm. conf.d/ 90-arctica- greeter. conf
Appears to return the previous login characteristics of Ubuntu MATE.