• Detect IE 11, Windows Phone, Safari on OS X
• .find() with falsy values now returns an empty array
• Fix how .attr('value') and .val() interact on <input> (#939)
• Have .text() accept a function argument
• Make .text(undefined) assign an empty string
• Do not eval <script> tags if parent element is not in the DOM
• Second argument to .attr/prop/data() is always a setter, even if undefined
• $.proxy() now accepts additional arguments
• $.ajax() uses HTTP cache-busting parameter for dataType: jsonp/script by default
• Fix $.contains and related features on Firefox 4 – 8.0