diff --git a/mozilla/tools/patcher-configs/mozBeta-seamonkey-branch-patcher2.cfg b/mozilla/tools/patcher-configs/mozBeta-seamonkey-branch-patcher2.cfg
index 429e0c333aa..489a245f2ad 100644
--- a/mozilla/tools/patcher-configs/mozBeta-seamonkey-branch-patcher2.cfg
+++ b/mozilla/tools/patcher-configs/mozBeta-seamonkey-branch-patcher2.cfg
@@ -3,24 +3,24 @@
         <current-update>
             channel   beta
             <complete>
-                betatest-url   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b3-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b3.complete.mar
-                esrtest-url   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b3-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b3.complete.mar
-                path   seamonkey/nightly/2.15b3-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b3.complete.mar
-                url   http://download.mozilla.org/?product=seamonkey-2.15b3-complete&os=%bouncer-platform%&lang=%locale%
+                betatest-url   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b4-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b4.complete.mar
+                esrtest-url   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b4-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b4.complete.mar
+                path   seamonkey/nightly/2.15b4-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b4.complete.mar
+                url   http://download.mozilla.org/?product=seamonkey-2.15b4-complete&os=%bouncer-platform%&lang=%locale%
             </complete>
             details   http://www.seamonkey-project.org/releases/seamonkey2.15/
             force   force_plist_reload
-            from   2.15b2
+            from   2.15b3
             <partial>
-                betatest-url   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b3-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b2-2.15b3.partial.mar
-                esrtest-url   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b3-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b2-2.15b3.partial.mar
-                path   seamonkey/nightly/2.15b3-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b2-2.15b3.partial.mar
-                url   http://download.mozilla.org/?product=seamonkey-2.15b3-partial-2.15b2&os=%bouncer-platform%&lang=%locale%
+                betatest-url   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b4-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b3-2.15b4.partial.mar
+                esrtest-url   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b4-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b3-2.15b4.partial.mar
+                path   seamonkey/nightly/2.15b4-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b3-2.15b4.partial.mar
+                url   http://download.mozilla.org/?product=seamonkey-2.15b4-partial-2.15b3&os=%bouncer-platform%&lang=%locale%
             </partial>
             <rc>
             </rc>
             testchannel   betatest releasetest
-            to   2.15b3
+            to   2.15b4
         </current-update>
         past-update   2.1b1 2.1b2 betatest releasetest beta
         past-update   2.1b2 2.1b3 betatest releasetest beta
@@ -92,6 +92,7 @@
         past-update   2.14b4 2.14b5 betatest releasetest beta
         past-update   2.14b5 2.15b1 betatest releasetest beta
         past-update   2.15b1 2.15b2 betatest releasetest beta
+        past-update   2.15b2 2.15b3 betatest releasetest beta
         <release>
             <2.1>
                 completemarurl   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.1-candidates/build1/update/%platform%/%locale%/seamonkey-2.1.complete.mar
@@ -632,6 +633,24 @@
                 schema   1
                 version   2.15
             </2.15b3>
+            <2.15b4>
+                checksumsurl   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b4-candidates/build1/%platform%/%locale%/seamonkey-2.15b4.checksums
+                completemarurl   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.15b4-candidates/build1/update/%platform%/%locale%/seamonkey-2.15b4.complete.mar
+                <exceptions>
+                    ja   linux-i686, win32
+                    ja-JP-mac   mac
+                </exceptions>
+                extension-version   2.15
+                locales   be ca cs de en-GB en-US es-AR es-ES fi fr gl hu it ja ja-JP-mac lt nb-NO nl pl pt-PT ru sk sv-SE tr uk zh-CN zh-TW
+                <platforms>
+                    linux-i686   20121213090445
+                    mac   20121213084205
+                    win32   20121213082928
+                </platforms>
+                prettyVersion   2.15 Beta 4
+                schema   1
+                version   2.15
+            </2.15b4>
             <2.1b1>
                 completemarurl   http://stage.mozilla.org/pub/mozilla.org/seamonkey/nightly/2.1b1-candidates/build2/update/%platform%/%locale%/seamonkey-2.1b1.complete.mar
                 <exceptions>