diff --git a/docs/html/sdk/eclipse-adt.jd b/docs/html/sdk/eclipse-adt.jd
index 935bf63e0890b..07edee68f0fbc 100644
--- a/docs/html/sdk/eclipse-adt.jd
+++ b/docs/html/sdk/eclipse-adt.jd
@@ -95,13 +95,64 @@ padding: .25em 1em;
 </style>
 
 
-
 <div class="toggleable opened">
   <a href="#" onclick="return toggleDiv(this)">
         <img src="{@docRoot}assets/images/triangle-opened.png" class="toggle-img" height="9px"
 width="9px" />
+ADT 12.0.0</a> <em>(June 2011)</em>
+  <div class="toggleme">
+<dl>
+
+<dt>Dependencies:</dt>
+
+<dd>ADT 12.0.0 is designed for use with <a href="{@docRoot}sdk/tools-notes.html">SDK Tools r12</a>. If you haven't
+already installed SDK Tools r12 into your SDK, use
+the Android SDK and AVD Manager to do so.</dd>
+
+<dt>Visual Layout Editor:</dt>
+<dd>
+<ul>
+  <li>New RelativeLayout drop support with guideline suggestions for
+   attachments and cycle prevention
+   (<a href="http://tools.android.com/recent/revampedrelativelayoutsupport">more info</a>).</li>
+  <li>Resize support in most layouts along with
+  guideline snapping to the sizes dictated by <code>wrap_content</code> and <code>match_parent</code>.
+  In LinearLayout, sizes are mapped to weights instead of pixel widths.
+  (<a href="http://tools.android.com/recent/resizesupport">more info</a>).</li>
+  <li>Previews of drawables and colors in the resource chooser dialogs
+  (<a href="http://tools.android.com/recent/imageandcolorpreviews">more info</a>).</li>
+  <li>Improved error messages and links for rendering errors including
+  detection of misspelled class names
+  (<a href="http://tools.android.com/recent/improvedrenderingerrordiagnostics">more info</a>).</li>
+</ul>
+</dd>
+
+<dt>Build system</dt>
+<dd>
+<ul>
+  <li>A new option lets you disable the packaging step in the automatic
+  builders. This improves performance when saving files by not
+  performing a full build, which can take a long time for large projects.
+  If the option is enabled, the APK is packaged when the
+  application is deployed to a device or emulator or when the
+  release APK is exported (<a href="http://tools.android.com/recent/finercontroloveradtbuildprocess">more info</a>).</li>
+</ul>
+</dd>
+
+<dt>Bug fixes</dt>
+<dd>Many bug fixes are part of this release
+(<a href="http://tools.android.com/recent/adt12bugfixroundup">more info</a>).</dd>
+
+</div>
+</div>
+
+
+<div class="toggleable closed">
+  <a href="#" onclick="return toggleDiv(this)">
+        <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-img" height="9px"
+width="9px" />
 ADT 11.0.0</a> <em>(June 2011)</em>
-  <dd class="toggleme">
+  <div class="toggleme">
 
 <dl>
 
@@ -229,6 +280,9 @@ href="http://tools.android.com/recent">Android Tools Project Site</a>.</p>
 </div>
 
 
+
+
+
 <div class="toggleable closed">
   <a href="#" onclick="return toggleDiv(this)">
         <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-img" height="9px"
diff --git a/docs/html/sdk/sdk_toc.cs b/docs/html/sdk/sdk_toc.cs
index d02c13d1bc2be..0607aad54633a 100644
--- a/docs/html/sdk/sdk_toc.cs
+++ b/docs/html/sdk/sdk_toc.cs
@@ -134,7 +134,7 @@ class="new">new!</span></li>
       </li>
     </ul>
     <ul>
-      <li><a href="<?cs var:toroot ?>sdk/tools-notes.html">SDK Tools, r11</a> <span
+      <li><a href="<?cs var:toroot ?>sdk/tools-notes.html">SDK Tools, r12</a> <span
 class="new">new!</span></li>
       <li><a href="<?cs var:toroot ?>sdk/win-usb.html">Google USB Driver, r4</a></li>
       <li><a href="<?cs var:toroot ?>sdk/compatibility-library.html">Compatibility Library, r2</a> <span
@@ -153,7 +153,7 @@ class="new">new!</span></li>
       <span style="display:none" class="zh-TW"></span>
       </h2>
     <ul>
-      <li><a href="<?cs var:toroot ?>sdk/eclipse-adt.html">ADT 11.0.0
+      <li><a href="<?cs var:toroot ?>sdk/eclipse-adt.html">ADT 12.0.0
       <span style="display:none" class="de"></span>
       <span style="display:none" class="es"></span>
       <span style="display:none" class="fr"></span>
diff --git a/docs/html/sdk/tools-notes.jd b/docs/html/sdk/tools-notes.jd
index 64c8f2a33b128..d4ebf8a64a9f6 100644
--- a/docs/html/sdk/tools-notes.jd
+++ b/docs/html/sdk/tools-notes.jd
@@ -62,9 +62,36 @@ padding: .25em 1em;
 }
 </style>
 
+
 <div class="toggleable opened">
   <a href="#" onclick="return toggleDiv(this)">
         <img src="{@docRoot}assets/images/triangle-opened.png" class="toggle-img" height="9px" width="9px" />
+SDK Tools, Revision 12</a> <em>(June 2011)</em>
+  <div class="toggleme">
+  <dl>
+<dt>Dependencies:</dt>
+<dd>
+<p>If you are developing in Eclipse with ADT, note that the SDK Tools r12 is designed for use with
+ADT 12.0.0 and later. If you haven't already, we highly recommend updating your <a
+href="{@docRoot}sdk/eclipse-adt.html">ADT Plugin</a> to 12.0.0.</p>
+
+<p>If you are developing outside Eclipse, you must have <a href="http://ant.apache.org/">Apache
+Ant</a> 1.8 or later.</p>
+
+<dt>General notes:</dt>
+<dd>
+  <ul>
+    <li>The AVD manager and emulator can now use system images
+    compiled for ARM v7 and x86 CPUs.</li>
+  </ul>
+</dd>
+</dl>
+</div>
+</div>
+
+<div class="toggleable closed">
+  <a href="#" onclick="return toggleDiv(this)">
+        <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-img" height="9px" width="9px" />
 SDK Tools, Revision 11</a> <em>(May 2011)</em>
   <div class="toggleme">
   <dl>