The official jQuery UI blog that posts development status updates and news about the jQuery UI library and community. They have posted this useful article about the twentieth maintenance release for jQuery UI (1.8). This article provides information on how to link to both the Google Ajax Libraries API and the Microsoft Ajax jquery-ui.js library. The jQuery UI 1.8.20 update is primarily meant as a release of bug fixes for Datepicker, Draggable, and Sortable.
See on blog.jqueryui.com