GNOME login screen no longer supports X.org sessions

Ask Fedora Common Issues
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Problem

In Fedora 42, X.org (X11) support has been entirely removed from GDM, GNOME’s login manager. This means you cannot use it to start an X.org-based GNOME sesssion (or an X.org-based session of any other desktop or window manager).

Cause

This is not a bug, but an intentional choice by the GDM maintainer. However, it is likely to surprise some users and potentially be experienced as an ‘issue’, so we’re documenting it here.

Related Issues

Bugzilla report: #2358741

Solution

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You can discuss this issue here.

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A Fedora 42 update has been released that brings back Xorg/X11 support for the GNOME login screen (GDM). Just update your system as usual and this issue should be resolved.

Note that Xorg support in GDM will likely be dropped in Fedora 43, this time for good.

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