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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Don't keep all newly created potential custom elements alive when the feature is disabled"
   href="https://bugs.webkit.org/show_bug.cgi?id=159113">159113</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Don't keep all newly created potential custom elements alive when the feature is disabled
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>HTML DOM
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>rniwa&#64;webkit.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>cdumez&#64;apple.com, koivisto&#64;iki.fi
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Custom elements spec has been updated to not upgrade all elements unless they're inserted into a document.
We don't have a time to update the code fully but we should at least avoid queuing them up
and keeping them all alive when the feature is disabled.</pre>
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      </p>
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      <ul>
          <li>You are the assignee for the bug.</li>
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