Are jQuery nightlies intentionally pinned to r6529

The current nightly from http://code.jquery.com/jquery-nightly.js is
old. Is it intentionally pinned to r6529/2008-08-10?
/*!
* jQuery JavaScript Library v1.3.3pre
* http://jquery.com/
*
* Copyright (c) 2009 John Resig
* Dual licensed under the MIT and GPL licenses.
* http://docs.jquery.com/License
*
* Date: 2009-08-10 17:22:31 -0400 (Mon, 10 Aug 2009)
* Revision: 6529
*/