+Overview of changes in lightdm 1.9.0
+
+ * Fix crash when starting with existing X servers. This was introduced in
+ rev 1651 (lightdm 1.7.0).
+ * Fix crash where Process objects are accessed after unref
+
+Overview of changes in lightdm 1.8.0
+
+ * Add regression test for corrupt X authority files.
+
+Overview of changes in lightdm 1.7.18
+
+ * Set session environment variables for guest sessions (1.7 regression).
+ * Don't fail writing X authority if reading it had an error.
+ * Update environment variables that we pass to Mir.
+
Overview of changes in lightdm 1.7.17
* surfaceflinger: Set XDG_VTNR=0 if VTs are not available