YUI Library is a set of utilities and controls written in JavaScript, for building richly interactive web applications. YUI 2 is a mature version of the library that has been in production since 2006. The code line is comprised of a comprehensive collection of over 30 utilities and widgets.

Current Production Release: YUI 2.9.0

YUI 2.9.0 is the latest release of the YUI 2 code line that is available for development purposes. YUI 2.9.0 contains a mature suite of core components, utilities, and widgets. For more details on YUI 2.9.0, refer to the links in the Product Information box.

Reporting Defects / Making Enhancement Requests

YUILibrary.com is the proper location for reporting defects found in the YUI 2 code as well as for logging enhancement requests for consideration for future updates. You can review existing tickets filed for YUI 2 by clicking the View Tickets link at the top of this page. Please review the YUI guidelines for filing defects and making enhancement requests before adding new tickets to the YUI 2 project using the New Ticket link above.

*Only logged in users can submit bugs and feature requests.