diff -Nru ubuntu-core-config-0.6.21/debian/changelog ubuntu-core-config-0.6.22/debian/changelog
--- ubuntu-core-config-0.6.21/debian/changelog 2015-06-10 11:17:55.000000000 +0200
+++ ubuntu-core-config-0.6.22/debian/changelog 2015-06-19 10:57:48.000000000 +0200
@@ -1,3 +1,9 @@
+ubuntu-core-config (0.6.22) wily; urgency=medium
+
+ * Set lightdm and lightdm-data directories as writable
+
+ -- Sebastien Bacher <seb128@ubuntu.com> Fri, 19 Jun 2015 10:58:06 +0200
+
ubuntu-core-config (0.6.21) wily; urgency=low
* add pre-created /var/lib/systemd/random-seed (LP: #1462954)
diff -Nru ubuntu-core-config-0.6.21/etc/system-image/writable-paths ubuntu-core-config-0.6.22/etc/system-image/writable-paths
--- ubuntu-core-config-0.6.21/etc/system-image/writable-paths 2015-06-08 15:25:00.000000000 +0200
+++ ubuntu-core-config-0.6.22/etc/system-image/writable-paths 2015-06-19 10:56:34.000000000 +0200
@@ -26,6 +26,8 @@
/var/lib/sudo auto temporary none defaults,mode=0700
/var/lib/system-image auto persistent none none
/var/lib/upower auto persistent none none
+/var/lib/lightdm auto persistent none none
+/var/lib/lightdm-data auto persistent none none
/var/log auto persistent transition none
# for various clouds like GCE
/etc/sysctl.d auto persistent transition none