<html>
    <head>
      <base href="https://bugs.webkit.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Assertion Failed: StyleDetailsPanel.markAsNeedsRefresh() called with null domNode"
   href="https://bugs.webkit.org/show_bug.cgi?id=157955">157955</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Assertion Failed: StyleDetailsPanel.markAsNeedsRefresh() called with null domNode
          </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>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

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

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

        <tr>
          <th>Priority</th>
          <td>P3
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Web Inspector
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>mattbaker&#64;apple.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>bburg&#64;apple.com, graouts&#64;webkit.org, joepeck&#64;webkit.org, mattbaker&#64;apple.com, nvasilyev&#64;apple.com, timothy&#64;apple.com, webkit-bug-importer&#64;group.apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>* SUMMARY
Assertion Failed: StyleDetailsPanel.markAsNeedsRefresh() called with null domNode.

* STEPS TO REPRODUCE
1. Open Inspector &gt; Elements tab
2. Expand details sidebar, Styles — Rules panel
3. Reload Inspected page
  =&gt; [Error] Assertion Failed
    markAsNeedsRefresh (StyleDetailsPanel.js:77)
    visibilityDidChange (CSSStyleDetailsSidebarPanel.js:170)
    removeSidebarPanel (Sidebar.js:96)
    showDetailsSidebarPanels (ContentBrowserTabContentView.js:160)
    dispatch (Object.js:161)
    dispatchEventToListeners (Object.js:168)
    _dispatchCurrentRepresentedObjectsDidChangeEvent (ContentBrowser.js:437)
    _currentContentViewDidChange (ContentBrowser.js:478)
    dispatch (Object.js:161)
    dispatchEventToListeners (Object.js:168)
    closeAllContentViews (ContentViewContainer.js:348)
    _showDOMTreeContentView (ElementsTabContentView.js:101)
    _mainResourceDidChange (ElementsTabContentView.js:118)
    dispatch (Object.js:161)
    dispatchEventToListeners (Object.js:176)
    _dispatchMainResourceDidChangeEvent (Frame.js:497)
    commitProvisionalLoad (Frame.js:140)
    frameDidNavigate (FrameResourceManager.js:105)
    frameNavigated (PageObserver.js:42)
    dispatchEvent (InspectorBackend.js:448)
    _dispatchEvent (InspectorBackend.js:342)
    dispatch (InspectorBackend.js:151)
    dispatchNextQueuedMessageFromBackend (MessageDispatcher.js:42)</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>