[LightDM] Multiseat broken in LightDM 1.12

[Shill Shocked]

After the latest update in Arch Linux, multiseat stopped working. Problem
was resolved by downgrading LightDM to 1.10.

What changes have happened in LightDM since 1.10 that might cause the
problem?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/lightdm/attachments/20141012/c3c68b9a/attachment.html>