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We record noteworthy changes in this file, which then becomes http://jenkins-ci.org/changelog
- Record your changes between "TRUNK-BEGIN" and "TRUNK-END".
  (except in rare cases when you are making changes in the RC branch,
   in which case it goes to the rc section)
- There are four CSS classes to denote the kind of changes.
  "rfe" for enhancement and "bug" for bug fixes,
  plus "major" to indicate major RFE/bugfix.
- Link to bugs in the issue tracker, e-mail thread in the archive, and so on if you can.
<head>
  <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
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  <title>Changelog</title>
  <link rel="stylesheet" TYPE="text/css" href="/changelog.css">
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<!--[if IE]>
<style type="text/css">div.rate-offset { bottom: 0.2em !important; left: 5em !important; }</style>
<![endif]-->
  <script type="text/javascript" src="https://rating.jenkins.io/rate/rate.js"></script>
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</head>
<body>
<div align="right">Legend:
    <span class="iconlegend">
        <img src="/images/rfe2.gif" alt="major RFE">major enhancement <img src="/images/rfe.gif" alt="RFE">enhancement
        <img src="/images/bug2.gif" alt="major bug">major bug fix     <img src="/images/bug.gif" alt="bug">bug fix
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    </span><span style="visibility:hidden">xxxxx</span>
</div>
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<div id="ratings" style="display:none; font-size:120%;
     border:1px solid black; background-color:#eee; padding:0.5em; margin-bottom:1em">
Help other Jenkins users by letting the community know which releases you've used,
and whether they had any significant issues. <br>
Legend: <br>
 <img src="//ci.jenkins.io/images/16x16/health-80plus.gif" width="16" height="16"
  alt="Sunny"> = I use it on my production site without major issues. <br>
 <img src="//ci.jenkins.io/images/16x16/health-40to59.gif" width="16" height="16"
  alt="Cloudy"> = I don't recommend it. <br>
 <img src="//ci.jenkins.io/images/16x16/health-00to19.gif" width="16" height="16"
  alt="Lightning"> = I tried it but rolled back to a previous version. <br>
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View ratings below, and click one of the icons next to your version to provide your input.
</div>

<a href="" onClick="document.getElementById('trunk').style.display='block';return false">
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Upcoming changes</a>
<a href="" style="padding-left:3em" onClick="return loaddata(this)">Community ratings</a>

<!-- Record your changes in the trunk here. -->
<div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
<ul class=image>
  <li class=>
</ul>
</div><!--=TRUNK-END=-->
<h3><a name=v2.40>What's new in 2.40</a> (2017/01/08)</h3>
<ul class=image>
  <li class="major rfe">
    Support displaying of warnings from the Update Site in the Plugin Manager
    and in administrative monitors.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40494">issue 40404</a>)
  <li class=rfe>
    Do not print warnings about undefined parameters
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    when <code>hudson.model.ParametersAction.keepUndefinedParameters</code> property is set to <code>false</code>.
    (<a href="https://github.com/jenkinsci/jenkins/pull/2687">pull 2687</a>)
  <li class="rfe">
    Increase the <code>JENKINS_HOME</code> disk space threshold from <code>1Gb</code> to <code>10Gb</code> left.
    The warning will be shown only if more than <code>90%</code> of the disk is utilized.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40749">issue 40749</a>)
  <li class=rfe>
    Plugin Manager: Redirect back to the Advanced Tab when saving the Update Site URL.
    (<a href="https://github.com/jenkinsci/jenkins/pull/2703">pull 2703</a>)
  <li class=bug>
    Prevent the <code>ClassNotFoundException: javax.servlet.ServletException</code> error 
    when invoking shell tasks on remote agents.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-39268">issue 39268</a>)
  <li class=bug>
    Jobs were hanging during process termination on the Solaris 11 Intel platform.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40470">issue 40470</a>, regression in 2.20)
  <li class=bug>
    Fix handling of the <code>POST</code> flag in <code>ManagementLink</code>s within the Manage Jenkins page.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-38175">issue 38175</a>)
  <li class=bug>
    Require POST in the <code>Reload from disk</code> management link.
    (<a href="https://github.com/jenkinsci/jenkins/pull/2692">pull 2692</a>)  
<h3><a name=v2.39>What's new in 2.39</a> (2017/01/02)</h3>
<ul class=image>
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  <li class=bug>
    Properties were not passed to Maven command by Maven build step when the <code>Inject Build Variables</code> flag was not set.
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    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-39268">issue 39268</a>)
  <li class=bug>
    Update remoting to 3.4 in order to properly terminate the channel in the case <code>Errors</code> and <code>Exception</code>s. 
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    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-39835">issue 39835</a>)
  <li class="rfe">
    Improved Polish and Catalan translations.
    (<a href="https://github.com/jenkinsci/jenkins/pull/2688">pull 2688</a> and
    <a href="https://github.com/jenkinsci/jenkins/pull/2686">pull 2686</a>)
<h3><a name=v2.38>What's new in 2.38</a> (2016/12/25)</h3>
<ul class=image>
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  <li class=rfe>
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    Update to Winstone 3.2 to support ad-hoc certificate generation on Java 8 (using unsupported APIs).
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    <strong>This option is deprecated and will be removed in a future release.</strong>
    We strongly recommend you create self-signed certificates yourself and use <tt>--httpsKeyStore</tt> and related options instead.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-25333">issue 25333</a>)
  <li class=bug>
    The <tt>install-plugin</tt> CLI command now correctly installs plugins when multiple file arguments are specified.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-32358">issue 32358</a>)
  <li class=bug>
    Correctly state that Jenkins will refuse to load plugins whose dependencies are not satisfied in plugin manager.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40666">issue 40666</a>)
<h3><a name=v2.37>What's new in 2.37</a> (2016/12/18)</h3>
<ul class=image>
  <li class="rfe">
    Allow defining agent ping interval and ping timeout in seconds.
    It can be done via the 
    <code>hudson.slaves.ChannelPinger.pingIntervalSeconds</code> and
    <code>hudson.slaves.ChannelPinger.pingTimeoutSeconds</code>
    <a href="https://wiki.jenkins-ci.org/display/JENKINS/Features+controlled+by+system+properties">
      system properties</a>.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-28245">issue 28245</a>)
  <li class="rfe">
    Delegate JNLP HMAC computation to <code>SlaveComputer</code> instances when possible.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40286">issue 40286</a>)
  <li class="rfe">
    Diagnosability: Split Exception handling of node provision and adding to Jenkins.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-38903">issue 38903</a>)
  <li class="rfe">
    Do not report <code>-noCertificateCheck</code> warning to STDOUT.
    (<a href="https://github.com/jenkinsci/jenkins/pull/2666">pull 2666</a>)
  <li class="rfe">
    Improve overall performance of Jenkins by accessing item group elements without sorting where it is possible.
    (<a href="https://github.com/jenkinsci/jenkins/pull/2665">pull 2665</a>)
  <li class="rfe">
    Convert URI encoding check on the <code>Manage Jenkins</code> page into admin monitor.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-39433">issue 39433</a>)
  <li class="rfe">
    Update <a href="https://mina.apache.org/sshd-project/">SSHD Core</a> from 0.8.0 to 0.14.0.
    (<a href="https://github.com/jenkinsci/jenkins/pull/2662">pull 2662</a>)
  <li class="bug">
    SSHD Module: Handshake was failing (wrong shared secret) 1 out of 256 times due to 
    <a href="https://issues.apache.org/jira/browse/SSHD-330">SSHD-330</a>.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40362">issue 40362</a>)
  <li class="bug">
    View display name was ignored during rendering of tabs.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-39300">issue 39300</a>)
  <li class="bug">
    Job configuration submission now does not fail when there is no parameters property.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-39700">issue 39700</a>, regression in 1.637)
  <li class="bug">
    Fix names of item loading and cleanup Jenkins initializatiion stages.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40489">issue 40489</a>)
  <li class="bug">
    Performance: Use bulk change when submitting Job configurations
    to minimize the number of sequential <code>config.xml</code> write operations.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40435">issue 40435</a>)
  <li class="bug">
    <code>Check for Updates</code> button in the Plugin Manager was hidden in the <code>Updates</code> tab
    when there was no plugins updates available.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-39971">issue 39971</a>)
  <li class="bug">
    Remoting 3.3: Agent JAR cache corruption was causing malfunctioning of agents.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-39547">issue 39547</a>)
  <li class="bug">
    Remoting 3.3: Improve diagnostics of the preliminary FifoBuffer termination in the JNLP2 protocol.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40491">issue 40491</a>)
  <li class="rfe">
    Remoting 3.3: Hardening of FifoBuffer operation logic. 
    The change improves the original fix of 
    <a href="https://issues.jenkins-ci.org/browse/JENKINS-25218">JENKINS-25218</a>.
    (<a href="https://github.com/jenkinsci/remoting/pull/100">remoting pull #100</a>)
  <li class="rfe">
    Remoting 3.3: <code>ProxyException</code> now retains info about suppressed exceptions 
    when serializing over the channel.
    (<a href="https://github.com/jenkinsci/remoting/pull/136">remoting pull #136</a>)
  <li class="rfe">
    API: Introduce the new <code>Jenkins#isSubjectToMandatoryReadPermissionCheck(String restOfPath)</code> method
    for checking access permissions to particular paths.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-32797">issue 32797</a>)
  <li class="rfe">
    API: Introduce new <code>Node#getNodeProperty()</code> methods for retrieving node properties.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40365">issue 40365</a>)
  <li class="rfe">
    API: Introduce new <code>Items#allItems()</code> methods for accessing items in item groups without sorting overhead.
    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-40252">issue 40252</a>)
  <li class="rfe">
    Improved Polish translation.
    (<a href="https://github.com/jenkinsci/jenkins/pull/2643">pull 2643</a>)
</ul>
<h3><a name=v2.36>What's new in 2.36</a> (2016/12/11)</h3>
<ul class=image>
  <li class="bug">
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