HipChat iOS App Crashes (iOS v9.0.2 and v9.1)

The following HipChat notification message reliably crashes the HipChat iOS App v3.4.1:

{ "color": "gray", "message": "Server: <span><span style=\"color:00AA00;\">ExampServer \n <span style=\"color:55FFFF;\"> Website: example-srvr1.com</sp an><span style=\"color:initial;text-decoration:initial;font-style:initial;\"></span> (<b>1</b> of <b>30</b> players online)<br>Players: <b>ExamplePlayr</b>", "message_format": "html", "notify": false }