[Bug 67698] After dist-upgrade, default session changed

[Malcolm Parsons]

Public bug reported:

Before dist-upgrade my default session was GNOME.
After dist-upgrade my default session is XFCE.

The KDE, XFCE and GNOME sessions were installed before the dist-upgrade, and are still installed afterwards.
The default session should not have changed.

I can't remember if I had manually set the x-session-manager alternative
before upgrading, it isn't set to manual now.

** Affects: gnome-session (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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After dist-upgrade, default session changed
https://launchpad.net/bugs/67698