=== modified file 'config.py'
--- config.py   2015-02-22 00:05:33 +0000
+++ config.py   2015-02-22 00:57:04 +0000
@@ -56,11 +56,12 @@
     ppa_list = [ ('gnome3-staging','vivid'),
                  ('gnome3', 'vivid') ]

-class Xvivid410(Profile):
-    major_version = "4.10"
+class Xvivid412(Profile):
+    major_version = "4.12"
     ubuntu = "vivid"
     upstream = "xfce"
-    ppa_list = [ ('xubuntu-staging','vivid') ]
+    ppa_list = [ ('xubuntu-staging','vivid'),
+                 ('xfce-4.12','vivid') ]

 def print_profiles():
     print (""" Available profiles: """)

=== modified file 'launchpad.py'
--- launchpad.py    2015-02-22 00:05:33 +0000
+++ launchpad.py    2015-02-22 01:00:14 +0000
@@ -23,6 +23,7 @@
         self.gnome3_next = self.launchpad.people['gnome3-team'].getPPAByName(name='gnome3-next')
         self.gnome3 = self.launchpad.people['gnome3-team'].getPPAByName(name='gnome3')
         self.xubuntu_staging = self.launchpad.people['xubuntu-dev'].getPPAByName(name='xubuntu-staging')
+        self.xfce_4.12 = self.launchpad.people['xubuntu-dev'].getPPAByName(name='xfce-4.12')
         self.uarchive = ubuntu.main_archive
         self.darchive = debian.main_archive

@@ -39,6 +40,7 @@
                             "gst-plugins-base": "gst-plugins-base1.0",
                             "gst-plugins-good": "gst-plugins-good1.0",
                             "gstreamer": "gstreamer1.0",
+                            "gtk-xfce-engine":"gtk2-engines-xfce",
                             "gtk+": "gtk+3.0",
                             "gtkmm": "gtkmm3.0",
                             "gtksourceview": "gtksourceview3",
@@ -50,8 +52,10 @@
                             "orca": "gnome-orca",
                             "pango": "pango1.0",
                             "sushi": "gnome-sushi",
+                            "Thunar"; "thunar",
                             "vala": "vala-0.26",
-                            "vte": "vte2.91"}
+                            "vte": "vte2.91",
+                            "xfdesktop";"xfdesktop4"}

     def get_source_version(self, source, archive, series):
         try: