diff --git a/README b/README
index c213aa70efe48f0d0914df01b4077ae68b905411..830a720da3f5ebdd94b79e7a8b2bd60e28f17b69 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-Qt Creator 2.1.80
+Qt Creator 2.0.90
 ===============
 Qt Creator is a crossplatform C++ IDE for development with the Qt framework.
 
diff --git a/doc/qt-html-templates.qdocconf b/doc/qt-html-templates.qdocconf
index d821d0d28539fe552ead8b211f47ce2cb192028d..d390494950a75fedb6787257120a7c5f21ec6be7 100644
--- a/doc/qt-html-templates.qdocconf
+++ b/doc/qt-html-templates.qdocconf
@@ -27,7 +27,7 @@ HTML.postheader         = " <div class=\"header\" id=\"qtdocheader\">\n" \
 			  "    </div>\n" \
 			  "    <div id=\"shortCut\">\n" \
 			  "      <ul>\n" \
-			  "        <li class=\"shortCut-topleft-inactive\"><span><a href=\"index.html\">Qt Creator 2.1.80 </a></span></li>\n" \
+			  "        <li class=\"shortCut-topleft-inactive\"><span><a href=\"index.html\">Qt Creator 2.0.90 </a></span></li>\n" \
 			  "        <li class=\"shortCut-topleft-active\"><a href=\"http://qt.nokia.com/doc/\">ALL VERSIONS" \
 			  "        </a></li>\n" \
 			  "      </ul>\n" \
diff --git a/doc/qtcreator.qdoc b/doc/qtcreator.qdoc
index 4423bb5b597bc2e99b1dc8071c2f05686aaa54cf..4c9bdb0b533357edaf66ec2ddb6da60282db45b9 100644
--- a/doc/qtcreator.qdoc
+++ b/doc/qtcreator.qdoc
@@ -12,7 +12,7 @@
 
     \title Qt Creator Manual
 
-    \section1 Version 2.1.80
+    \section1 Version 2.0.90
 
     Qt Creator provides a cross-platform, complete integrated development
     environment (IDE) for application developers to create applications for
diff --git a/doc/qtcreator.qdocconf b/doc/qtcreator.qdocconf
index 3b515f4dfd8918ee1ad9af630a18e8e8a9cb8c9f..78035c5d96c57b0e1db871f9a9678cfad3a664e3 100644
--- a/doc/qtcreator.qdocconf
+++ b/doc/qtcreator.qdocconf
@@ -19,12 +19,12 @@ sources.fileextensions  = "qtcreator.qdoc maemodev.qdoc symbiandev.qdoc addressb
 
 qhp.projects            = QtCreator
 qhp.QtCreator.file             = qtcreator.qhp
-qhp.QtCreator.namespace        = com.nokia.qtcreator.2180
+qhp.QtCreator.namespace        = com.nokia.qtcreator.2090
 qhp.QtCreator.virtualFolder    = doc
 qhp.QtCreator.indexTitle       = Qt Creator
-qhp.QtCreator.filterAttributes = qtcreator 2.1.80
-qhp.QtCreator.customFilters.QtCreator.name = Qt Creator 2.1.80
-qhp.QtCreator.customFilters.QtCreator.filterAttributes = qtcreator 2.1.80
+qhp.QtCreator.filterAttributes = qtcreator 2.0.90
+qhp.QtCreator.customFilters.QtCreator.name = Qt Creator 2.0.90
+qhp.QtCreator.customFilters.QtCreator.filterAttributes = qtcreator 2.0.90
 qhp.QtCreator.indexRoot        =
 qhp.QtCreator.extraFiles       = \
                           style/style.css \
diff --git a/share/qtcreator/templates/wizards/qtcreatorplugin/MyPlugin.pluginspec b/share/qtcreator/templates/wizards/qtcreatorplugin/MyPlugin.pluginspec
index 5e8d66806e7d5e40ae0314903f87e3c1b3e99b09..ba8c818e4da19bd6becb774008cbe4d6a7c122fe 100644
--- a/share/qtcreator/templates/wizards/qtcreatorplugin/MyPlugin.pluginspec
+++ b/share/qtcreator/templates/wizards/qtcreatorplugin/MyPlugin.pluginspec
@@ -5,6 +5,6 @@
     <description>%Description%</description>
     <url>%URL%</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/app/Info.plist b/src/app/Info.plist
index 2e1457eafb1a25c6b9bd34b95fb999be35b4317d..bbbb8865f587274638693d7e27f506c6af9ef1e4 100644
--- a/src/app/Info.plist
+++ b/src/app/Info.plist
@@ -219,8 +219,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
 	<key>CFBundleIdentifier</key>
 	<string>com.nokia.qtcreator</string>
 	<key>CFBundleVersion</key>
-	<string>2.1.80</string>
+	<string>2.0.90</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.1.80</string>
+	<string>2.0.90</string>
 </dict>
 </plist>
diff --git a/src/plugins/bineditor/BinEditor.pluginspec b/src/plugins/bineditor/BinEditor.pluginspec
index ff2a1a0087d72147c947d1c35507fc02b266d569..388aba594feb08811986ba872334cc46513b2ba4 100644
--- a/src/plugins/bineditor/BinEditor.pluginspec
+++ b/src/plugins/bineditor/BinEditor.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="BinEditor" version="2.1.80" compatVersion="2.1.80">
+<plugin name="BinEditor" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,7 +14,7 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Binary editor component.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/bookmarks/Bookmarks.pluginspec b/src/plugins/bookmarks/Bookmarks.pluginspec
index 8c229e0ec73b8c29d0b3cdc4c9a2d1112515b17e..d1c81fedfb83e0345795255bf074b87e2bcddb7b 100644
--- a/src/plugins/bookmarks/Bookmarks.pluginspec
+++ b/src/plugins/bookmarks/Bookmarks.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Bookmarks" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Bookmarks" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,8 +14,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Bookmarks in text editors.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/classview/ClassView.pluginspec b/src/plugins/classview/ClassView.pluginspec
index 659f9e5442c8f4cedbfa2e4aeb7515389b10cbf7..c2fc140bc7820b2259daf352ac05092fe85980d1 100644
--- a/src/plugins/classview/ClassView.pluginspec
+++ b/src/plugins/classview/ClassView.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="ClassView" version="2.1.80" compatVersion="2.1.80">
+<plugin name="ClassView" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Denis Mingulov</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Class View component.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="CppTools" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="CppTools" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/cmakeprojectmanager/CMakeProjectManager.pluginspec b/src/plugins/cmakeprojectmanager/CMakeProjectManager.pluginspec
index 89c9d7b3800b7b036604711055a01b41c2e0b7b7..1c5819186aefb3ff0a923374370c396f31416a61 100644
--- a/src/plugins/cmakeprojectmanager/CMakeProjectManager.pluginspec
+++ b/src/plugins/cmakeprojectmanager/CMakeProjectManager.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="CMakeProjectManager" version="2.1.80" compatVersion="2.1.80">
+<plugin name="CMakeProjectManager" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>CMake support</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="CppTools" version="2.1.80"/>
-        <dependency name="CppEditor" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="CppTools" version="2.0.90"/>
+        <dependency name="CppEditor" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/coreplugin/Core.pluginspec b/src/plugins/coreplugin/Core.pluginspec
index 16f1568152aaa26d7cecdb97573a1fac2e06b175..ce5b77030c3324897a3a047052e9207ae62f436f 100644
--- a/src/plugins/coreplugin/Core.pluginspec
+++ b/src/plugins/coreplugin/Core.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Core" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Core" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
diff --git a/src/plugins/coreplugin/coreconstants.h b/src/plugins/coreplugin/coreconstants.h
index 31c1af8f6d7f0905edac913457650a3434dbf736..ecc1c2a4bc26dcba9e6def2a20d7c8a5e8ec80e3 100644
--- a/src/plugins/coreplugin/coreconstants.h
+++ b/src/plugins/coreplugin/coreconstants.h
@@ -36,8 +36,8 @@ namespace Core {
 namespace Constants {
 
 #define IDE_VERSION_MAJOR 2
-#define IDE_VERSION_MINOR 1
-#define IDE_VERSION_RELEASE 80
+#define IDE_VERSION_MINOR 0
+#define IDE_VERSION_RELEASE 90
 
 #define STRINGIFY_INTERNAL(x) #x
 #define STRINGIFY(x) STRINGIFY_INTERNAL(x)
diff --git a/src/plugins/cpaster/CodePaster.pluginspec b/src/plugins/cpaster/CodePaster.pluginspec
index 043207f4325f67113ed8534332bd75b08d01a9b3..9cdd12d795aaedc185fa086d77412935019c6708 100644
--- a/src/plugins/cpaster/CodePaster.pluginspec
+++ b/src/plugins/cpaster/CodePaster.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="CodePaster" version="2.1.80" compatVersion="2.1.80">
+<plugin name="CodePaster" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -13,8 +13,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Codepaster plugin for pushing/fetching diff from server</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/cppeditor/CppEditor.pluginspec b/src/plugins/cppeditor/CppEditor.pluginspec
index 7e54820d769bde15febdcce0f5ff8c675890d11f..bd3ec59485a68262eeb5b65045ce6cd8e2c0429a 100644
--- a/src/plugins/cppeditor/CppEditor.pluginspec
+++ b/src/plugins/cppeditor/CppEditor.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="CppEditor" version="2.1.80" compatVersion="2.1.80">
+<plugin name="CppEditor" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,8 +14,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>C/C++ editor component.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="CppTools" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="CppTools" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/cpptools/CppTools.pluginspec b/src/plugins/cpptools/CppTools.pluginspec
index 35492513f3678549740bb95bd284283ba1bea2b2..a4a2ed7e5ad4927b36496874ad8229f58aad6c12 100644
--- a/src/plugins/cpptools/CppTools.pluginspec
+++ b/src/plugins/cpptools/CppTools.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="CppTools" version="2.1.80" compatVersion="2.1.80">
+<plugin name="CppTools" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Tools for analyzing C/C++ code.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Locator" version="2.1.80"/>
-        <dependency name="Find" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Locator" version="2.0.90"/>
+        <dependency name="Find" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/cvs/CVS.pluginspec b/src/plugins/cvs/CVS.pluginspec
index bc9d375ebcf280273ab2938aa906b956d0ae26d7..3c5c2763d414d3fd435934079ee417814dd5f05e 100644
--- a/src/plugins/cvs/CVS.pluginspec
+++ b/src/plugins/cvs/CVS.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="CVS" version="2.1.80" compatVersion="2.1.80">
+<plugin name="CVS" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>CVS integration.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="VCSBase" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="VCSBase" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/debugger/Debugger.pluginspec b/src/plugins/debugger/Debugger.pluginspec
index b42b0e94dc35ae1c292a0f819556b93b5c2e9d41..7aa8227191879d3705902c2d14be79a8003b8dc3 100644
--- a/src/plugins/debugger/Debugger.pluginspec
+++ b/src/plugins/debugger/Debugger.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Debugger" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Debugger" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,10 +14,10 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Debugger integration.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="CppEditor" version="2.1.80"/><!-- Debugger plugin adds items to the editor's context menu -->
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="Find" version="2.1.80"/>
+        <dependency name="CppEditor" version="2.0.90"/><!-- Debugger plugin adds items to the editor's context menu -->
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="Find" version="2.0.90"/>
     </dependencyList>
     <argumentList>
         <argument name="-disable-cdb">Disable Cdb debugger engine</argument>
diff --git a/src/plugins/designer/Designer.pluginspec b/src/plugins/designer/Designer.pluginspec
index 2dec36ecd0b393bab74979dbc1a5329269e964cb..a6e87521f0dd3899ba57850c19c841c36e2d539d 100644
--- a/src/plugins/designer/Designer.pluginspec
+++ b/src/plugins/designer/Designer.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Designer" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Designer" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,8 +14,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Qt Designer integration.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
 <!-- For compiling with CPP support enabled -->
-        <dependency name="CppEditor" version="2.1.80"/>
+        <dependency name="CppEditor" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/fakevim/FakeVim.pluginspec b/src/plugins/fakevim/FakeVim.pluginspec
index ef82bccd86ea0a7aabbcf13ff27b638e2c4f0b17..f652ba0d7d36734f67dd6f116600f913bfd305bd 100644
--- a/src/plugins/fakevim/FakeVim.pluginspec
+++ b/src/plugins/fakevim/FakeVim.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="FakeVim" version="2.1.80" compatVersion="2.1.80">
+<plugin name="FakeVim" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -13,9 +13,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>VI-style keyboard navigation.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="CppEditor" version="2.1.80"/><!-- Plugin adds items to the editor's context menu -->
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="CppEditor" version="2.0.90"/><!-- Plugin adds items to the editor's context menu -->
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/find/Find.pluginspec b/src/plugins/find/Find.pluginspec
index 7eef163f335c89dddf2ebcfeb91e755d04cb274a..7cf298183f8f4a71a34060fdd8665983c4448e5b 100644
--- a/src/plugins/find/Find.pluginspec
+++ b/src/plugins/find/Find.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Find" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Find" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,6 +14,6 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Provides the find widget and the hooks for find implementations.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/genericprojectmanager/GenericProjectManager.pluginspec b/src/plugins/genericprojectmanager/GenericProjectManager.pluginspec
index 1da9a29b1bd2be341555928d71780c1f0a3ef148..851deb34ae4ec2d5e3ecfccc2ed95fe521cba9d5 100644
--- a/src/plugins/genericprojectmanager/GenericProjectManager.pluginspec
+++ b/src/plugins/genericprojectmanager/GenericProjectManager.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="GenericProjectManager" version="2.1.80" compatVersion="2.1.80">
+<plugin name="GenericProjectManager" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Generic support</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="CppTools" version="2.1.80"/>
-        <dependency name="CppEditor" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="CppTools" version="2.0.90"/>
+        <dependency name="CppEditor" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/git/ScmGit.pluginspec b/src/plugins/git/ScmGit.pluginspec
index 69e19f1f4614eeb8fd9ccc8574aee0d54db0f4b2..6ecd8dd72138aad8f08bc3a8528bb76adf0df601 100644
--- a/src/plugins/git/ScmGit.pluginspec
+++ b/src/plugins/git/ScmGit.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="ScmGit" version="2.1.80" compatVersion="2.1.80">
+<plugin name="ScmGit" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Git integration.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="VCSBase" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="VCSBase" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/helloworld/HelloWorld.pluginspec b/src/plugins/helloworld/HelloWorld.pluginspec
index bd7af625251bfab29c6d03ca3de449becfb6b61f..7a120286ce23a7014e12c990ff629f1392520614 100644
--- a/src/plugins/helloworld/HelloWorld.pluginspec
+++ b/src/plugins/helloworld/HelloWorld.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="HelloWorld" version="2.1.80" compatVersion="2.1.80">
+<plugin name="HelloWorld" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -13,6 +13,6 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Hello World sample plugin.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/help/Help.pluginspec b/src/plugins/help/Help.pluginspec
index eaaf195e1adc79705f2715feef032030d63c8b9a..261b443878e572fbedcab12143f3f63933c6c879 100644
--- a/src/plugins/help/Help.pluginspec
+++ b/src/plugins/help/Help.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Help" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Help" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,8 +14,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Help system.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="Find" version="2.1.80"/>
-        <dependency name="Locator" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="Find" version="2.0.90"/>
+        <dependency name="Locator" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/imageviewer/ImageViewer.pluginspec b/src/plugins/imageviewer/ImageViewer.pluginspec
index 6659fa854ec802585f115945006bb2178ef95d69..78f8c9517affb09489bf6204ff75006ac810403b 100644
--- a/src/plugins/imageviewer/ImageViewer.pluginspec
+++ b/src/plugins/imageviewer/ImageViewer.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="ImageViewer" version="2.1.80" compatVersion="2.1.80">
+<plugin name="ImageViewer" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Denis Mingulov</copyright>
     <license>
@@ -14,6 +14,6 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Image Viewer component.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/locator/Locator.pluginspec b/src/plugins/locator/Locator.pluginspec
index 4f358fd12da576dd65ad1457926b9dd8ca1bfca9..15b0e1bf3a4122ecfef23cc720552d5ef9577793 100644
--- a/src/plugins/locator/Locator.pluginspec
+++ b/src/plugins/locator/Locator.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Locator" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Locator" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,6 +14,6 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Provides the Locator widget and the hooks for Locator filter implementations.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/mercurial/Mercurial.pluginspec b/src/plugins/mercurial/Mercurial.pluginspec
index 567f5858caf617ea75c8597f5fba4b00c1cdc3f8..23f606a3abe80a9fb430cf8a6adf6e998245e1ae 100644
--- a/src/plugins/mercurial/Mercurial.pluginspec
+++ b/src/plugins/mercurial/Mercurial.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Mercurial" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Mercurial" version="2.0.90" compatVersion="2.0.90">
     <vendor>Brian McGillion</vendor>
     <copyright>(C) 2008-2009 Brian McGillion</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Mercurial integration.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="VCSBase" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="VCSBase" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/perforce/Perforce.pluginspec b/src/plugins/perforce/Perforce.pluginspec
index 144a0e9cc1eb2849fcfb73812ec205e8e0fae4c7..fc6f8b880363f7d28ccae1bef714ea11aec4389a 100644
--- a/src/plugins/perforce/Perforce.pluginspec
+++ b/src/plugins/perforce/Perforce.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Perforce" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Perforce" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Perforce integration.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="VCSBase" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="VCSBase" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/projectexplorer/ProjectExplorer.pluginspec b/src/plugins/projectexplorer/ProjectExplorer.pluginspec
index b9f1716324cbff65813c4e2dd952fae0c36f4232..394551f10292960e902758f5b8c8f46ce2d13599 100644
--- a/src/plugins/projectexplorer/ProjectExplorer.pluginspec
+++ b/src/plugins/projectexplorer/ProjectExplorer.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="ProjectExplorer" version="2.1.80" compatVersion="2.1.80">
+<plugin name="ProjectExplorer" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,10 +14,10 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>ProjectExplorer framework that can be extended with different kind of project types.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="Find" version="2.1.80"/>
-        <dependency name="Locator" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="Find" version="2.0.90"/>
+        <dependency name="Locator" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
     </dependencyList>
     <argumentList>
         <argument name="-customwizard-verbose">Verbose loading of custom wizards</argument>
diff --git a/src/plugins/qmldesigner/QmlDesigner.pluginspec b/src/plugins/qmldesigner/QmlDesigner.pluginspec
index 248b51700293190b3b2347558c4b782ddc5d3357..9c45cbe507ff8218ee53b6f637058c6858dc663f 100644
--- a/src/plugins/qmldesigner/QmlDesigner.pluginspec
+++ b/src/plugins/qmldesigner/QmlDesigner.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="QmlDesigner" version="2.1.80" compatVersion="2.1.80" experimental="true">
+<plugin name="QmlDesigner" version="2.0.90" compatVersion="2.0.90" experimental="true">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -20,8 +20,8 @@ will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.</license>
     <description>Visual Designer for QML files.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="QmlJSEditor" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="QmlJSEditor" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/qmljseditor/QmlJSEditor.pluginspec b/src/plugins/qmljseditor/QmlJSEditor.pluginspec
index 98b11d641f5d85c71310bf9372d1d6714206e676..5726eb3fc8e302ec382a06b1fe62016a7b4eff38 100644
--- a/src/plugins/qmljseditor/QmlJSEditor.pluginspec
+++ b/src/plugins/qmljseditor/QmlJSEditor.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="QmlJSEditor" version="2.1.80" compatVersion="2.1.80">
+<plugin name="QmlJSEditor" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,8 +14,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Editor for QML and JavaScript.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/qmljsinspector/QmlJSInspector.pluginspec b/src/plugins/qmljsinspector/QmlJSInspector.pluginspec
index 788e28f6364867234e0ec93c85c730a67c1b5c36..db4e4cabee8bc943079e91b9f068ffd03714fcbc 100644
--- a/src/plugins/qmljsinspector/QmlJSInspector.pluginspec
+++ b/src/plugins/qmljsinspector/QmlJSInspector.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="QmlJSInspector" version="2.1.80" compatVersion="2.1.80">
+<plugin name="QmlJSInspector" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -20,11 +20,11 @@ will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.</license>
     <description>Debugger for QML files</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="QmlProjectManager" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="CppTools" version="2.1.80"/>
-        <dependency name="CppEditor" version="2.1.80"/>
-        <dependency name="Debugger" version="2.1.80"/>
-        <dependency name="QmlJSEditor" version="2.1.80"/>
+        <dependency name="QmlProjectManager" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="CppTools" version="2.0.90"/>
+        <dependency name="CppEditor" version="2.0.90"/>
+        <dependency name="Debugger" version="2.0.90"/>
+        <dependency name="QmlJSEditor" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/qmlprojectmanager/QmlProjectManager.pluginspec b/src/plugins/qmlprojectmanager/QmlProjectManager.pluginspec
index 5d2b0200b936fa5f4710cc6984b5ddeef1829b21..50ce3e27b4a72988a8c4fa0a78c7172b3dce1629 100644
--- a/src/plugins/qmlprojectmanager/QmlProjectManager.pluginspec
+++ b/src/plugins/qmlprojectmanager/QmlProjectManager.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="QmlProjectManager" version="2.1.80" compatVersion="2.1.80">
+<plugin name="QmlProjectManager" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,10 +14,10 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Qt Quick support</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="QmlJSEditor" version="2.1.80"/>
-        <dependency name="Debugger" version="2.1.80" />
-        <dependency name="Qt4ProjectManager" version="2.1.80" />
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="QmlJSEditor" version="2.0.90"/>
+        <dependency name="Debugger" version="2.0.90" />
+        <dependency name="Qt4ProjectManager" version="2.0.90" />
     </dependencyList>
 </plugin>
diff --git a/src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec b/src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec
index 065cc04468ee3f3dd65ec8783875325ce9d419af..fd8fd1f2263abc0ddab994c1995439a81f2a32e5 100644
--- a/src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec
+++ b/src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Qt4ProjectManager" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Qt4ProjectManager" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,11 +14,11 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Provides project type for Qt 4 pro files and tools.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="CppTools" version="2.1.80"/>
-        <dependency name="CppEditor" version="2.1.80"/>
-        <dependency name="Designer" version="2.1.80"/>
-        <dependency name="Debugger" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="CppTools" version="2.0.90"/>
+        <dependency name="CppEditor" version="2.0.90"/>
+        <dependency name="Designer" version="2.0.90"/>
+        <dependency name="Debugger" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/regexp/RegExp.pluginspec b/src/plugins/regexp/RegExp.pluginspec
index 76c9adccd8f262d110ff795306015e8c0b081d84..085ca182cc2722fd1597518e49f568ed7eb9bccf 100644
--- a/src/plugins/regexp/RegExp.pluginspec
+++ b/src/plugins/regexp/RegExp.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="RegExp" version="2.1.80" compatVersion="2.1.80">
+<plugin name="RegExp" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -13,6 +13,6 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Regular Expression test widget.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/resourceeditor/ResourceEditor.pluginspec b/src/plugins/resourceeditor/ResourceEditor.pluginspec
index 97007126b2d9e54e3c73fdc2c130e8896efb0bb8..8641f846a7b31ea424775fdce0a11ecbab9dd2e6 100644
--- a/src/plugins/resourceeditor/ResourceEditor.pluginspec
+++ b/src/plugins/resourceeditor/ResourceEditor.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="ResourceEditor" version="2.1.80" compatVersion="2.1.80">
+<plugin name="ResourceEditor" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,6 +14,6 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Editor for qrc files.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/snippets/Snippets.pluginspec b/src/plugins/snippets/Snippets.pluginspec
index 49fc23adf7cd4a5b4222edadc6edf9d09b1968ec..370652cc242f4585956c4d46502fc482185495d0 100644
--- a/src/plugins/snippets/Snippets.pluginspec
+++ b/src/plugins/snippets/Snippets.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Snippets" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Snippets" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -13,8 +13,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Code snippet plugin.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/subversion/Subversion.pluginspec b/src/plugins/subversion/Subversion.pluginspec
index c63bd4a8f2955f7b4da4ce993c288cf0509a3d5d..ffc3c15ef21a6f66918b1f6312c2d45246e77360 100644
--- a/src/plugins/subversion/Subversion.pluginspec
+++ b/src/plugins/subversion/Subversion.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Subversion" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Subversion" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,9 +14,9 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Subversion integration.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="VCSBase" version="2.1.80"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="VCSBase" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/tasklist/TaskList.pluginspec b/src/plugins/tasklist/TaskList.pluginspec
index 18609100f91c19f3fcb7c3f250c3f244d21186b7..dc2ac6319eddfb6fd94637cc6883e8f13c8edf5f 100644
--- a/src/plugins/tasklist/TaskList.pluginspec
+++ b/src/plugins/tasklist/TaskList.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="TaskList" version="2.1.80" compatVersion="2.1.80">
+<plugin name="TaskList" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -13,7 +13,7 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Use .tasks-files to populate the build issues view.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-	<dependency name="ProjectExplorer" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+	<dependency name="ProjectExplorer" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/texteditor/TextEditor.pluginspec b/src/plugins/texteditor/TextEditor.pluginspec
index bcfe6e533d04718fe3e050de207b1f5c019a912c..ef506bece2adbb73b72b1b2b06c5828af5f0f326 100644
--- a/src/plugins/texteditor/TextEditor.pluginspec
+++ b/src/plugins/texteditor/TextEditor.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="TextEditor" version="2.1.80" compatVersion="2.1.80">
+<plugin name="TextEditor" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,8 +14,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Text editor framework and the implementation of the basic text editor.</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="Find" version="2.1.80"/>
-        <dependency name="Locator" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="Find" version="2.0.90"/>
+        <dependency name="Locator" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/vcsbase/VCSBase.pluginspec b/src/plugins/vcsbase/VCSBase.pluginspec
index 5d17483562cd6e905f46b27178d0b73b1ebb9973..5e1691f17a2a14c6308b0e648187176f593e6ff3 100644
--- a/src/plugins/vcsbase/VCSBase.pluginspec
+++ b/src/plugins/vcsbase/VCSBase.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="VCSBase" version="2.1.80" compatVersion="2.1.80">
+<plugin name="VCSBase" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,8 +14,8 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Version Control System Base Plugin</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
-        <dependency name="TextEditor" version="2.1.80"/>
-        <dependency name="ProjectExplorer" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
+        <dependency name="TextEditor" version="2.0.90"/>
+        <dependency name="ProjectExplorer" version="2.0.90"/>
     </dependencyList>
 </plugin>
diff --git a/src/plugins/welcome/Welcome.pluginspec b/src/plugins/welcome/Welcome.pluginspec
index f54486f59cb924b539d31b6f8a78ebb27862cf67..7e2dea7a401e4f4ac9c3b3f024d9ab6e5503cda7 100644
--- a/src/plugins/welcome/Welcome.pluginspec
+++ b/src/plugins/welcome/Welcome.pluginspec
@@ -1,4 +1,4 @@
-<plugin name="Welcome" version="2.1.80" compatVersion="2.1.80">
+<plugin name="Welcome" version="2.0.90" compatVersion="2.0.90">
     <vendor>Nokia Corporation</vendor>
     <copyright>(C) 2010 Nokia Corporation</copyright>
     <license>
@@ -14,6 +14,6 @@ Alternatively, this plugin may be used under the terms of the GNU Lesser General
     <description>Default Welcome Screen Plugin</description>
     <url>http://qt.nokia.com</url>
     <dependencyList>
-        <dependency name="Core" version="2.1.80"/>
+        <dependency name="Core" version="2.0.90"/>
     </dependencyList>
 </plugin>