Confirmed, GDM will replace LightDM in Ubuntu 17.10

LightDM

The days go by little by little and We are getting closer to the Ubuntu 17.10 release date, that with the passage of time the decisions of the changes that will receive the new version of the favorite distribution of many begin to emerge. Between the most noticeable changes will be, the makeover that has already been released in terms of the desktop environment in the new version of Ubuntu.

It is clear that this news was already expected by many and it was speculated among many users, as it was to be expected, by the development team when making the decision to make a change in the login manager to replace LightDM with GDM.

With Gnome Shell as default desktop environment in Ubuntu 17.10 daily builds the drastic changes that are beginning to be implemented are beginning to be noticed. And now it is his turn LightDM login manager change which will be replaced by GDM.

In the desktop environment coordination team they explain:

We have tried to make the GNOME Shell lock screen run with LightDM and use GNOME Shell as LightDM Greeter. What still seems possible is not easy to patch GNOME Shell with GDM code is difficult to decouple. -Ancell explains

That is why the decision involves extra work in terms of safety also refers. Well, one of the features that you will not find in Ubuntu 17.10 are guest sessions. Since GDM does not support guest sessions and a few weeks ago Ubuntu released an update where they disabled the guest session due to a security flaw that allowed guests to view the contents of other users' folders.

LightDM will continue to receive support

Officially, the Ubuntu team confirms that it will continue to support LightDM, although it will only be limited to bug fixes in the versions currently still supported, which are LTS 14.04, 16.04 and 17.04.