YUI 3.5.0 PR4 發布

YUI 3.5.0 Preview Release 4 是 YUI 3.5.0 版本的最后一個測試版本，正式版將于四月中旬發布。

下載地址：http://yui.zenfs.com/releases/yui3/yui_3.5.0pr4.zip

該版本主要改進記錄：

• The old (3.4.1) Uploader and DataTable modules have been deprecated in lieu of new replacements and are now available as uploader-deprecated and datatable-*-deprecated, respectively.
• Button underwent a significant refactoring. Please take a moment to check out the new API and file any issues in our bug tracking system.
• WidgetButtons, which adds support for buttons in a Panel has been significantly improved.
• A new event submodule, event-contextmenu has been introduced.
• Calendar has been made keyboard-navigable and accessible, and calendar navigation now supports disabled button states.
• Uploader's queue management has been refined, and UploaderFlash now supports keyboard navigation.
• App.Transitions has added cross-fade and slide transitions to Y.Apps.
• Y.Handlebars has been fully and thoroughly documented.