diff --git a/python-virtinst.spec b/python-virtinst.spec
index 28bcdd6..b543409 100644
--- a/python-virtinst.spec
+++ b/python-virtinst.spec
@@ -17,7 +17,7 @@
 Summary: Python modules and utilities for installing virtual machines
 Name: python-%{appname}
 Version: 0.400.3
-Release: 9%{_extra_release}
+Release: 10%{_extra_release}
 Source0: http://virt-manager.org/download/sources/%{appname}/%{appname}-%{version}.tar.gz
 Patch1: %{appname}-%{version}-fix-virtimage-scratch.patch
 Patch2: %{appname}-%{version}-hostdev-libvirt-calls.patch
@@ -39,6 +39,10 @@ Patch10: %{appname}-%{version}-default-bridge-error.patch
 Patch11: %{appname}-%{version}-sles-virtio.patch
 # Don't erroneously set limit for amount of virtio devices (bz 499654)
 Patch12: %{appname}-%{version}-virtio-dev-limit.patch
+# Fix detection of fedora preview trees (bz 499718)
+Patch13: %{appname}-%{version}-preview-detection.patch
+# Add F12 to os dictionary
+Patch14: %{appname}-%{version}-f12-distro.patch
 
 License: GPLv2+
 Group: Development/Libraries
@@ -78,6 +82,8 @@ and install new VMs) and virt-clone (clone an existing virtual machine).
 %patch10 -p1
 %patch11 -p1
 %patch12 -p1
+%patch13 -p1
+%patch14 -p1
 
 %build
 python setup.py build
@@ -113,6 +119,10 @@ rm -rf $RPM_BUILD_ROOT
 %{_bindir}/virt-convert
 
 %changelog
+* Mon Oct 05 2009 Cole Robinson <crobinso@redhat.com> - 0.400.3-10.fc11
+- Fix detection of fedora preview trees (bz 499718)
+- Add F12 to os dictionary
+
 * Sun Sep 13 2009 Cole Robinson <crobinso@redhat.com> - 0.400.3-9.fc11
 - Fix parse error when looking for default bridge (bz 506319)
 - Use virtio for SLES guests (bz 505317)
diff --git a/virtinst-0.400.3-f12-distro.patch b/virtinst-0.400.3-f12-distro.patch
new file mode 100644
index 0000000..67b4e14
--- /dev/null
+++ b/virtinst-0.400.3-f12-distro.patch
@@ -0,0 +1,24 @@
+# HG changeset patch
+# User Cole Robinson <crobinso@redhat.com>
+# Date 1253115773 14400
+# Node ID d8f88998215ae844534b2bf9a7024edc1bf46826
+# Parent  6a398359952bfd8cc62e36afc26bb470862ce42d
+osdict: Add 'Fedora 12' entry
+
+diff -r 6a398359952b -r d8f88998215a virtinst/osdict.py
+--- a/virtinst/osdict.py	Wed Sep 16 10:53:50 2009 -0400
++++ b/virtinst/osdict.py	Wed Sep 16 11:42:53 2009 -0400
+@@ -179,6 +179,13 @@
+                         "input" : { "type" : [ (["all"], "tablet") ],
+                                     "bus"  : [ (["all"], "usb"), ] },
+                      }},
++        "fedora12": { "label": "Fedora 12", "distro": "fedora",
++                      "devices" : {
++                        "disk" : { "bus"   : [ (["kvm"], "virtio") ] },
++                        "net"  : { "model" : [ (["kvm"], "virtio") ] },
++                        "input" : { "type" : [ (["all"], "tablet") ],
++                                    "bus"  : [ (["all"], "usb"), ] },
++                     }},
+         "sles10": { "label": "Suse Linux Enterprise Server",
+                     "distro": "suse" },
+         "sles11": { "label": "Suse Linux Enterprise Server 11",
diff --git a/virtinst-0.400.3-preview-detection.patch b/virtinst-0.400.3-preview-detection.patch
new file mode 100644
index 0000000..457dfd0
--- /dev/null
+++ b/virtinst-0.400.3-preview-detection.patch
@@ -0,0 +1,37 @@
+# HG changeset patch
+# User Cole Robinson <crobinso@redhat.com>
+# Date 1241725806 14400
+# Node ID 9768e52d4d624f83853f7f23f85402c8a078eb6f
+# Parent  94be2c80832ae1019cc1b3099636a5cb41dd6094
+Fix os_variant autodetection for F11-{alpha/beta/preview}
+
+Prevents URL installs for the stated releases, unless an --os-variant is
+manually specified.
+
+diff -r 94be2c80832a -r 9768e52d4d62 tests/urltest.py
+--- a/tests/urltest.py	Thu May 07 13:47:49 2009 -0400
++++ b/tests/urltest.py	Thu May 07 15:50:06 2009 -0400
+@@ -108,6 +108,11 @@
+         'x86_64': FEDORA_BASEURL % ("10", "x86_64"),
+         'distro': ("linux", "fedora10")
+     },
++    "fedora11test" : {
++        'i386'  : FEDORA_BASEURL % ("test/11-Preview", "i386"),
++        'x86_64': FEDORA_BASEURL % ("test/11-Preview", "x86_64"),
++        'distro': ("linux", "fedora11")
++    },
+     "fedora-rawhide" : {
+         'i386'  : FEDORA_RAWHIDE_BASEURL % ("i386"),
+         'x86_64': FEDORA_RAWHIDE_BASEURL % ("x86_64"),
+diff -r 94be2c80832a -r 9768e52d4d62 virtinst/OSDistro.py
+--- a/virtinst/OSDistro.py	Thu May 07 13:47:49 2009 -0400
++++ b/virtinst/OSDistro.py	Thu May 07 15:50:06 2009 -0400
+@@ -429,7 +429,7 @@
+                 if ver == "development":
+                     self.os_variant = self._latestFedoraVariant()
+                 elif ver:
+-                    self.os_variant = "fedora" + str(ver)
++                    self.os_variant = "fedora" + (str(ver).split("-"))[0]
+ 
+             return ret
+         else: