Index: wp-admin/update-core.php
===================================================================
--- wp-admin/update-core.php	(revision 17937)
+++ wp-admin/update-core.php	(working copy)
@@ -244,6 +244,8 @@
 		<th scope='row' class='check-column'><input type='checkbox' name='checked[]' value='" . esc_attr($plugin_file) . "' /></th>
 		<td><strong>{$plugin_data->Name}</strong><br />" . sprintf(__('You have version %1$s installed. Update to %2$s.'), $plugin_data->Version, $plugin_data->update->new_version) . $compat . $upgrade_notice . "</td>
 	</tr>";
+	
+		do_action( 'after_plugin_updates_row', $plugin_file, $plugin_data );
 	}
 ?>
 	</tbody>
@@ -294,6 +296,8 @@
 		<th scope='row' class='check-column'><input type='checkbox' name='checked[]' value='" . esc_attr($stylesheet) . "' /></th>
 		<td class='plugin-title'><img src='$screenshot' width='64' height='64' style='float:left; padding: 5px' /><strong>{$theme_data->Name}</strong>" .  sprintf(__('You have version %1$s installed. Update to %2$s.'), $theme_data->Version, $theme_data->update['new_version']) . "</td>
 	</tr>";
+	
+		do_action( 'after_theme_updates_row', $theme_data->Name, $theme_data );
 	}
 ?>
 	</tbody>