diff --git a/changelog.html b/changelog.html
index 3a998336d10372d9c1ea9c58a811594374c2f873..f41b83bf11b4be5e98fb8b6f5e2c99c855a91646 100644
--- a/changelog.html
+++ b/changelog.html
@@ -70,6 +70,8 @@ Upcoming changes</a>
   <li class=rfe>
     Added a new extension point for custom checkout behaviour, especially targeted for matrix projects.
     (<a href="https://github.com/jenkinsci/jenkins/pull/482">pull 482</a>)
+  <li class=rfe>
+    REST API now supports pretty printing of JSON and other formats.
   <li class=rfe>
     Allow the tree parameter and the xpath parameter to be used together in the REST API.
 </ul>
diff --git a/core/pom.xml b/core/pom.xml
index 67e2e21dc3db52399df15a6642fc740fd63743ba..ae6bdc54942ab938b73354f4a85582833b7f4b70 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -42,7 +42,7 @@ THE SOFTWARE.
 
   <properties>
     <staplerFork>true</staplerFork>
-    <stapler.version>1.190</stapler.version>
+    <stapler.version>1.191</stapler.version>
   </properties>
 
   <dependencies>
diff --git a/core/src/main/resources/hudson/model/Api/index.jelly b/core/src/main/resources/hudson/model/Api/index.jelly
index 2ca5b63f6e47a6ced8416a55fd2530cb0125eaf8..5aca02b46e0a3c953c4ac28b9270a4043872f27f 100644
--- a/core/src/main/resources/hudson/model/Api/index.jelly
+++ b/core/src/main/resources/hudson/model/Api/index.jelly
@@ -65,14 +65,14 @@ THE SOFTWARE.
           </p>
         </dd>
 
-        <dt><a href="json">JSON API</a></dt>
+        <dt><a href="json?pretty=true">JSON API</a></dt>
         <dd>
           Access the same data as JSON for JavaScript-based access. Supports
           <a href="http://ajaxian.com/archives/jsonp-json-with-padding">JSONP</a> through
           the optional <tt>jsonp=<i>callbackname</i></tt> query parameter.
         </dd>
 
-        <dt><a href="python">Python API</a></dt>
+        <dt><a href="python?pretty=true">Python API</a></dt>
         <dd>
          <p>
            Access the same data as Python for Python clients. This can be parsed into Python
@@ -87,6 +87,18 @@ THE SOFTWARE.
            <tt>ast.literal_eval(urllib.urlopen("...").read())</tt>
          </p>
         </dd>
+
+        <!--
+        <dt><a href="ruby?pretty=true">Ruby API</a></dt>
+        <dd>
+         <p>
+           Access the same data as Ruby literals that can be <tt>eval</tt>ed.
+
+           However, when you do this, beware of the security implication. If you are connecting
+           to a non-trusted Jenkins, the server can send you malicious Python programs.
+         </p>
+        </dd>
+        -->
       </dl>
 
       <p>