Comment 3 for bug 1181655

Starting version 1.3.0, the .desktop file is installed in /etc/xdg/autostart/ again. This means it's available to any desktop environment's session manager for the taking. Tested on Unity, Gnome (Tweak Tool), Mate, KDE, XFCE and LXDE.

Considering most desktop environments use different ways to enable or disable application startup*, I'm afraid that simply placing and/or removing the .desktop file in ~/.config/autostart would bring a plethora of conflicts [1]. So marking this bug "Won't Fix" for now. But be welcome to bring ideas or suggestions to convince me otherwise.

* For example, while many desktops place a .desktop file to *enable* autostart, LXDE places a .desktop file to *disable* autostart by adding "NotShowIn=LXDE"