diff --git a/.nuget/DockPanelSuite.nuspec b/.nuget/DockPanelSuite.nuspec
index bca6eaa0..14ae90b4 100644
--- a/.nuget/DockPanelSuite.nuspec
+++ b/.nuget/DockPanelSuite.nuspec
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2011/10/nuspec.xsd">
   <metadata>
-    <version>2.12.0-rc1</version>
+    <version>2.12.0</version>
     <authors>Weifen Luo and other contributors</authors>
     <owners>Weifen Luo and other contributors</owners>
     <licenseUrl>http://www.opensource.org/licenses/mit-license.php</licenseUrl>
@@ -21,11 +21,12 @@
       Visual Studio 2013 Themes: https://www.nuget.org/packages/DockPanelSuite.ThemeVS2013/
       Visual Studio 2015 Themes: https://www.nuget.org/packages/DockPanelSuite.ThemeVS2015/
       
-      Dec 10, 2016: 2.12.0-rc1
+      Dec 26, 2016: 2.12.0
       1. GitHub #422 Auto hide window can now be dragged in new themes.
       2. GitHub #448 Fixed a crash when the same theme is applied multiple times.
       3. GitHub #450 Fixed tool strip item text color in dark themes.
       4. GitHub #454 .vstheme files are now shipped as compressed.
+      5. GitHub #459 Fixed an inheritance patch merge issue.
 
       Nov 18, 2016: 2.11.0
       1. GitHub #65 Dummy control is now rendered with proper back color.
diff --git a/.nuget/ThemeVS2003.nuspec b/.nuget/ThemeVS2003.nuspec
index 37fbbc11..b34e191f 100644
--- a/.nuget/ThemeVS2003.nuspec
+++ b/.nuget/ThemeVS2003.nuspec
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2011/10/nuspec.xsd">
   <metadata>
-    <version>2.12.0-rc1</version>
+    <version>2.12.0</version>
     <authors>Weifen Luo and other contributors</authors>
     <owners>Weifen Luo and other contributors</owners>
     <licenseUrl>http://www.opensource.org/licenses/mit-license.php</licenseUrl>
@@ -11,7 +11,7 @@
       <frameworkAssembly assemblyName="System" targetFramework="" />
     </frameworkAssemblies>
     <dependencies>
-      <dependency id="DockPanelSuite" version="2.12.0-rc1" />
+      <dependency id="DockPanelSuite" version="2.12.0" />
     </dependencies>
     <id>DockPanelSuite.ThemeVS2003</id>
     <title>DockPanel Suite VS2003 Theme</title>
@@ -19,7 +19,7 @@
     <description>Visual Studio 2003 theme for DockPanel Suite.</description>
     <summary>Visual Studio 2003 theme for DockPanel Suite.</summary>
     <releaseNotes>
-Dec 10, 2016: 2.12.0-rc1
+Dec 26, 2016: 2.12.0
 Updated.
 
 Nov 18, 2016: 2.11.0
diff --git a/.nuget/ThemeVS2005Multithreading.nuspec b/.nuget/ThemeVS2005Multithreading.nuspec
index d893421c..92ee3351 100644
--- a/.nuget/ThemeVS2005Multithreading.nuspec
+++ b/.nuget/ThemeVS2005Multithreading.nuspec
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2011/10/nuspec.xsd">
   <metadata>
-    <version>2.12.0-rc1</version>
+    <version>2.12.0</version>
     <authors>Weifen Luo and other contributors</authors>
     <owners>Weifen Luo and other contributors</owners>
     <licenseUrl>http://www.opensource.org/licenses/mit-license.php</licenseUrl>
@@ -11,7 +11,7 @@
       <frameworkAssembly assemblyName="System" targetFramework="" />
     </frameworkAssemblies>
     <dependencies>
-      <dependency id="DockPanelSuite" version="2.12.0-rc1" />
+      <dependency id="DockPanelSuite" version="2.12.0" />
     </dependencies>
     <id>DockPanelSuite.ThemeVS2005Multithreading</id>
     <title>DockPanel Suite VS2005 Theme for Multiple UI Threads</title>
@@ -20,7 +20,7 @@
 Most WinForms apps uses a single UI thread. Not recommended unless the application uses multiple UI threads.</description>
     <summary>Visual Studio 2005 theme for DockPanel Suite with multiple UI thread support.</summary>
     <releaseNotes>
-Dec 10, 2016: 2.12.0-rc1
+Dec 26, 2016: 2.12.0
 Updated.
 
 Nov 18, 2016: 2.11.0
diff --git a/.nuget/ThemeVS2012.nuspec b/.nuget/ThemeVS2012.nuspec
index cc64716b..c713b4b6 100644
--- a/.nuget/ThemeVS2012.nuspec
+++ b/.nuget/ThemeVS2012.nuspec
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2011/10/nuspec.xsd">
   <metadata>
-    <version>2.12.0-rc1</version>
+    <version>2.12.0</version>
     <authors>Weifen Luo and other contributors</authors>
     <owners>Weifen Luo and other contributors</owners>
     <licenseUrl>http://www.opensource.org/licenses/mit-license.php</licenseUrl>
@@ -11,7 +11,7 @@
       <frameworkAssembly assemblyName="System" targetFramework="" />
     </frameworkAssemblies>
 	<dependencies>
-      <dependency id="DockPanelSuite" version="2.12.0-rc1" />
+      <dependency id="DockPanelSuite" version="2.12.0" />
     </dependencies>
     <id>DockPanelSuite.ThemeVS2012</id>
     <title>DockPanel Suite VS2012 Themes</title>
@@ -19,7 +19,7 @@
     <description>Visual Studio 2012 themes for DockPanel Suite.</description>
     <summary>Visual Studio 2012 themes for DockPanel Suite.</summary>
     <releaseNotes>
-Dec 10, 2016: 2.12.0-rc1
+Dec 26, 2016: 2.12.0
 Updated. Assembly size is smaller.
 
 Nov 18, 2016: 2.11.0
diff --git a/.nuget/ThemeVS2013.nuspec b/.nuget/ThemeVS2013.nuspec
index 03a00bce..d1bf18fb 100644
--- a/.nuget/ThemeVS2013.nuspec
+++ b/.nuget/ThemeVS2013.nuspec
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2011/10/nuspec.xsd">
   <metadata>
-    <version>2.12.0-rc1</version>
+    <version>2.12.0</version>
     <authors>Weifen Luo and other contributors</authors>
     <owners>Weifen Luo and other contributors</owners>
     <licenseUrl>http://www.opensource.org/licenses/mit-license.php</licenseUrl>
@@ -11,7 +11,7 @@
       <frameworkAssembly assemblyName="System" targetFramework="" />
     </frameworkAssemblies>
     <dependencies>
-      <dependency id="DockPanelSuite" version="2.12.0-rc1" />
+      <dependency id="DockPanelSuite" version="2.12.0" />
     </dependencies>
     <id>DockPanelSuite.ThemeVS2013</id>
     <title>DockPanel Suite VS2013 Themes</title>
@@ -19,7 +19,7 @@
     <description>Visual Studio 2013 themes for DockPanel Suite.</description>
     <summary>Visual Studio 2013 themes for DockPanel Suite.</summary>
     <releaseNotes>
-Dec 10, 2016: 2.12.0-rc1
+Dec 26, 2016: 2.12.0
 Updated. Assembly size is smaller.
 
 Nov 18, 2016: 2.11.0
diff --git a/.nuget/ThemeVS2015.nuspec b/.nuget/ThemeVS2015.nuspec
index 1160aab2..a749f857 100644
--- a/.nuget/ThemeVS2015.nuspec
+++ b/.nuget/ThemeVS2015.nuspec
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2011/10/nuspec.xsd">
   <metadata>
-    <version>2.12.0-rc1</version>
+    <version>2.12.0</version>
     <authors>Weifen Luo and other contributors</authors>
     <owners>Weifen Luo and other contributors</owners>
     <licenseUrl>http://www.opensource.org/licenses/mit-license.php</licenseUrl>
@@ -11,7 +11,7 @@
       <frameworkAssembly assemblyName="System" targetFramework="" />
     </frameworkAssemblies>
     <dependencies>
-      <dependency id="DockPanelSuite" version="2.12.0-rc1" />
+      <dependency id="DockPanelSuite" version="2.12.0" />
     </dependencies>
     <id>DockPanelSuite.ThemeVS2015</id>
     <title>DockPanel Suite VS2015 Themes</title>
@@ -19,7 +19,7 @@
     <description>Visual Studio 2015 themes for DockPanel Suite.</description>
     <summary>Visual Studio 2015 themes for DockPanel Suite.</summary>
     <releaseNotes>
-Dec 10, 2016: 2.12.0-rc1
+Dec 26, 2016: 2.12.0
 Updated. Assembly size is smaller.
 
 Nov 18, 2016: 2.11.0