diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -11,7 +11,7 @@
     'conpherence.pkg.js' => '281b1a73',
     'core.pkg.css' => 'b2ad82f4',
     'core.pkg.js' => 'deabcef7',
-    'darkconsole.pkg.js' => 'e7393ebb',
+    'darkconsole.pkg.js' => '12813435',
     'differential.pkg.css' => '90b30783',
     'differential.pkg.js' => 'ddfeb49b',
     'diffusion.pkg.css' => '91c5d3a6',
@@ -20,7 +20,7 @@
     'maniphest.pkg.css' => '4845691a',
     'maniphest.pkg.js' => '5ab2753f',
     'rsrc/css/aphront/aphront-bars.css' => '231ac33c',
-    'rsrc/css/aphront/dark-console.css' => 'f54bf286',
+    'rsrc/css/aphront/dark-console.css' => '07dd8d38',
     'rsrc/css/aphront/dialog-view.css' => '685c7e2d',
     'rsrc/css/aphront/list-filter-view.css' => '5d6f0526',
     'rsrc/css/aphront/multi-column.css' => '84cc6640',
@@ -482,7 +482,6 @@
     'rsrc/js/core/behavior-autofocus.js' => '7319e029',
     'rsrc/js/core/behavior-badge-view.js' => '8ff5e24c',
     'rsrc/js/core/behavior-choose-control.js' => '327a00d1',
-    'rsrc/js/core/behavior-dark-console.js' => 'f411b6ae',
     'rsrc/js/core/behavior-detect-timezone.js' => '4c193c96',
     'rsrc/js/core/behavior-device.js' => 'bb1dd507',
     'rsrc/js/core/behavior-drag-and-drop-textarea.js' => '484a6e22',
@@ -521,6 +520,10 @@
     'rsrc/js/core/behavior-user-menu.js' => '31420f77',
     'rsrc/js/core/behavior-watch-anchor.js' => '9f36c42d',
     'rsrc/js/core/behavior-workflow.js' => '0a3f3021',
+    'rsrc/js/core/darkconsole/DarkLog.js' => 'c8e1ffe3',
+    'rsrc/js/core/darkconsole/DarkMessage.js' => 'c48cccdd',
+    'rsrc/js/core/darkconsole/behavior-dark-console-realtime.js' => '1e601b1d',
+    'rsrc/js/core/darkconsole/behavior-dark-console.js' => 'fdd14f6a',
     'rsrc/js/core/phtize.js' => 'd254d646',
     'rsrc/js/phui/behavior-phui-dropdown-menu.js' => 'b95d6f7d',
     'rsrc/js/phui/behavior-phui-file-upload.js' => 'b003d4fb',
@@ -536,7 +539,7 @@
   'symbols' => array(
     'almanac-css' => 'dbb9b3af',
     'aphront-bars' => '231ac33c',
-    'aphront-dark-console-css' => 'f54bf286',
+    'aphront-dark-console-css' => '07dd8d38',
     'aphront-dialog-view-css' => '685c7e2d',
     'aphront-list-filter-view-css' => '5d6f0526',
     'aphront-multi-column-view-css' => '84cc6640',
@@ -603,7 +606,8 @@
     'javelin-behavior-conpherence-pontificate' => '55616e04',
     'javelin-behavior-conpherence-search' => '9bbf3762',
     'javelin-behavior-countdown-timer' => 'e4cc26b3',
-    'javelin-behavior-dark-console' => 'f411b6ae',
+    'javelin-behavior-dark-console' => 'fdd14f6a',
+    'javelin-behavior-dark-console-realtime' => '1e601b1d',
     'javelin-behavior-dashboard-async-panel' => '469c0d9e',
     'javelin-behavior-dashboard-move-panels' => '408bf173',
     'javelin-behavior-dashboard-query-panel-select' => '453c5375',
@@ -774,6 +778,8 @@
     'phabricator-content-source-view-css' => '4b8b05d4',
     'phabricator-core-css' => '9f4cb463',
     'phabricator-countdown-css' => '16c52f5c',
+    'phabricator-darklog' => 'c8e1ffe3',
+    'phabricator-darkmessage' => 'c48cccdd',
     'phabricator-dashboard-css' => 'fe5b1869',
     'phabricator-drag-and-drop-file-upload' => '58dea2fa',
     'phabricator-draggable-list' => 'bea6e7f4',
@@ -1041,6 +1047,13 @@
       'javelin-dom',
       'javelin-reactor-dom',
     ),
+    '1e601b1d' => array(
+      'javelin-behavior',
+      'javelin-dom',
+      'phabricator-darklog',
+      'phabricator-darkmessage',
+      'javelin-leader',
+    ),
     '1e911d0f' => array(
       'javelin-stratcom',
       'javelin-request',
@@ -2173,14 +2186,6 @@
     'f12cbc9f' => array(
       'phui-oi-list-view-css',
     ),
-    'f411b6ae' => array(
-      'javelin-behavior',
-      'javelin-stratcom',
-      'javelin-util',
-      'javelin-dom',
-      'javelin-request',
-      'phabricator-keyboard-shortcut',
-    ),
     'f50152ad' => array(
       'phui-timeline-view-css',
     ),
@@ -2236,6 +2241,14 @@
       'javelin-dom',
       'phortune-credit-card-form',
     ),
+    'fdd14f6a' => array(
+      'javelin-behavior',
+      'javelin-stratcom',
+      'javelin-util',
+      'javelin-dom',
+      'javelin-request',
+      'phabricator-keyboard-shortcut',
+    ),
     'fe287620' => array(
       'javelin-install',
       'javelin-dom',
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -349,6 +349,7 @@
     'DarkConsoleEventPlugin' => 'applications/console/plugin/DarkConsoleEventPlugin.php',
     'DarkConsoleEventPluginAPI' => 'applications/console/plugin/event/DarkConsoleEventPluginAPI.php',
     'DarkConsolePlugin' => 'applications/console/plugin/DarkConsolePlugin.php',
+    'DarkConsoleRealtimePlugin' => 'applications/console/plugin/DarkConsoleRealtimePlugin.php',
     'DarkConsoleRequestPlugin' => 'applications/console/plugin/DarkConsoleRequestPlugin.php',
     'DarkConsoleServicesPlugin' => 'applications/console/plugin/DarkConsoleServicesPlugin.php',
     'DarkConsoleStartupPlugin' => 'applications/console/plugin/DarkConsoleStartupPlugin.php',
@@ -5144,6 +5145,7 @@
     'DarkConsoleEventPlugin' => 'DarkConsolePlugin',
     'DarkConsoleEventPluginAPI' => 'PhabricatorEventListener',
     'DarkConsolePlugin' => 'Phobject',
+    'DarkConsoleRealtimePlugin' => 'DarkConsolePlugin',
     'DarkConsoleRequestPlugin' => 'DarkConsolePlugin',
     'DarkConsoleServicesPlugin' => 'DarkConsolePlugin',
     'DarkConsoleStartupPlugin' => 'DarkConsolePlugin',
diff --git a/src/applications/console/plugin/DarkConsoleRealtimePlugin.php b/src/applications/console/plugin/DarkConsoleRealtimePlugin.php
new file mode 100644
--- /dev/null
+++ b/src/applications/console/plugin/DarkConsoleRealtimePlugin.php
@@ -0,0 +1,34 @@
+<?php
+
+final class DarkConsoleRealtimePlugin extends DarkConsolePlugin {
+
+  public function getName() {
+    return pht('Realtime');
+  }
+
+  public function getColor() {
+    return null;
+  }
+
+  public function getDescription() {
+    return pht('Debugging console for real-time notifications.');
+  }
+
+  public function renderPanel() {
+    $node_id = celerity_generate_unique_node_id();
+
+    Javelin::initBehavior(
+      'dark-console-realtime',
+      array(
+        'nodeID' => $node_id,
+      ));
+
+    return phutil_tag(
+      'div',
+      array(
+        'id' => $node_id,
+        'class' => 'dark-console-log-frame',
+      ));
+  }
+
+}
diff --git a/webroot/rsrc/css/aphront/dark-console.css b/webroot/rsrc/css/aphront/dark-console.css
--- a/webroot/rsrc/css/aphront/dark-console.css
+++ b/webroot/rsrc/css/aphront/dark-console.css
@@ -217,3 +217,17 @@
 .dark-console-panel-error-details {
   display: none;
 }
+
+.dark-console-log-frame {
+  height: 500px;
+  overflow: auto;
+  background: #303030;
+  border: 1px solid #202020;
+  margin: 4px;
+}
+
+.dark-console-log-message {
+  background: #404040;
+  padding: 8px;
+  margin: 2px;
+}
diff --git a/webroot/rsrc/js/core/darkconsole/DarkLog.js b/webroot/rsrc/js/core/darkconsole/DarkLog.js
new file mode 100644
--- /dev/null
+++ b/webroot/rsrc/js/core/darkconsole/DarkLog.js
@@ -0,0 +1,47 @@
+/**
+ * @provides phabricator-darklog
+ * @javelin
+ */
+
+JX.install('DarkLog', {
+
+  construct: function() {
+    this._messages = [];
+  },
+
+  members: {
+    _node: null,
+    _messages: null,
+
+    addMessage: function(message) {
+      var node = message.getNode();
+
+      this._messages.push(message);
+      if (this._node) {
+        this._append([node]);
+      }
+
+      return this;
+    },
+
+    setNode: function(node) {
+      var nodes = [];
+      for (var ii = 0; ii < this._messages.length; ii++) {
+        nodes.push(this._messages[ii].getNode());
+      }
+
+      this._node = node;
+      this._append(nodes);
+
+      return this;
+    },
+
+    _append: function(nodes) {
+      for (var ii = 0; ii < nodes.length; ii++) {
+        this._node.appendChild(nodes[ii]);
+      }
+    }
+
+  }
+
+});
diff --git a/webroot/rsrc/js/core/darkconsole/DarkMessage.js b/webroot/rsrc/js/core/darkconsole/DarkMessage.js
new file mode 100644
--- /dev/null
+++ b/webroot/rsrc/js/core/darkconsole/DarkMessage.js
@@ -0,0 +1,37 @@
+/**
+ * @provides phabricator-darkmessage
+ * @javelin
+ */
+
+JX.install('DarkMessage', {
+
+  construct: function() {
+
+  },
+
+  members: {
+    _node: null,
+    _message: null,
+
+    setMessage: function(message) {
+      this._message = message;
+
+      JX.DOM.setContent(this.getNode(), message);
+
+      return this;
+    },
+
+    getNode: function() {
+      if (!this._node) {
+        this._node = JX.$N(
+          'div',
+          {
+            className: 'dark-console-log-message'
+          });
+      }
+
+      return this._node;
+    }
+  }
+
+});
diff --git a/webroot/rsrc/js/core/darkconsole/behavior-dark-console-realtime.js b/webroot/rsrc/js/core/darkconsole/behavior-dark-console-realtime.js
new file mode 100644
--- /dev/null
+++ b/webroot/rsrc/js/core/darkconsole/behavior-dark-console-realtime.js
@@ -0,0 +1,72 @@
+/**
+ * @provides javelin-behavior-dark-console-realtime
+ * @requires javelin-behavior
+ *           javelin-dom
+ *           phabricator-darklog
+ *           phabricator-darkmessage
+ *           javelin-leader
+ * @javelin
+ */
+
+JX.behavior('dark-console-realtime', function(config, statics) {
+  if (statics.setup) {
+    return;
+  }
+  statics.setup = true;
+
+  var log = new JX.DarkLog();
+
+  JX.Stratcom.listen('darkconsole.draw', null, function(e) {
+    var data = e.getData();
+    if (data.panel != 'DarkConsoleRealtimePlugin') {
+      return;
+    }
+
+    var node = JX.$(config.nodeID);
+    log.setNode(node);
+  });
+
+  // If the panel is initially visible, try rendering.
+  try {
+    var node = JX.$(config.nodeID);
+    log.setNode(node);
+  } catch (exception) {
+    // Ignore.
+  }
+
+  var leader_log = function(event_name, type, is_leader, details) {
+    var parts = [];
+    if (is_leader === true) {
+      parts.push('+');
+    } else if (is_leader === false) {
+      parts.push('-');
+    }
+
+    parts.push('[Leader/' + event_name + ']');
+
+    if (type) {
+      parts.push('(' + type + ')');
+    }
+
+    if (details) {
+      parts.push(details);
+    }
+
+    parts = parts.join(' ');
+
+    var message = new JX.DarkMessage()
+      .setMessage(parts);
+
+    log.addMessage(message);
+  };
+
+  JX.Leader.listen('onReceiveBroadcast', function(message, is_leader) {
+    var json = JX.JSON.stringify(message.data);
+    leader_log('onReceiveBroadcast', message.type, is_leader, json);
+  });
+
+  JX.Leader.listen('onBecomeLeader', function() {
+    leader_log('onBecomeLeader');
+  });
+
+});
diff --git a/webroot/rsrc/js/core/behavior-dark-console.js b/webroot/rsrc/js/core/darkconsole/behavior-dark-console.js
rename from webroot/rsrc/js/core/behavior-dark-console.js
rename to webroot/rsrc/js/core/darkconsole/behavior-dark-console.js
--- a/webroot/rsrc/js/core/behavior-dark-console.js
+++ b/webroot/rsrc/js/core/darkconsole/behavior-dark-console.js
@@ -246,6 +246,12 @@
 
     var div = JX.$N('div', {className: 'dark-console-panel-core'}, JX.$H(html));
     JX.DOM.setContent(statics.el.panel, div);
+
+    var params = {
+      panel: tclass
+    };
+
+    JX.Stratcom.invoke('darkconsole.draw', null, params);
   }
 
   function install_shortcut() {