DOM:

• Fix fn.closest() on collections of multiple elements
• text() returns text from all matching selectors
• Fix offset() on documentElement
• Use the standard API for CSS selector matches
• append() now accepts array of DOM nodes
• Add multi-window support for embedded scripts
• Fix css() batch setting on non-existing element
• Convert null/undefined into "" in fn.val() for jQuery compatibility
• Improve detection of array-like objects

Ajax:

• Fix appending ajax params to URLs that have a hash component
• Add ajax support for receiving binary data
• Sufficiently randomize JSONP callback names
• Fix assigning query params from data with explicit JSONP

Cross-browser:

• Avoid IE10 error by checking if element is in the DOM before calling getBoundingClientRect
• Added support for pseudo-elements in IE getComputedStyle shim
• Fix use of ajax xhrFields on Android 2.3 and Windows Mobile
• Fx: avoid using vendor prefixes if unprefixed is supported

Misc.:

• Fix dasherize bug in fx module
• Fix swipe event of touch module
• Avoid exception in doubleTap
• Accept function as data for on event handler
• Populate event.timeStamp if it's 0 or missing