What's New in the 2014 Player Handbook
You can download a supplemental with this information, for use with your 2008 handbook.
Quicktalk and Persuasion
The Quicktalk skill has been renamed to Persuasion. It is otherwise unchanged.
"Quicktalk" isn't a real word, and was confusing to newer players. "Persuasion" is a real word, and describes the skill's effects just as succinctly.
Mage kits
Similar to the previously existing Cleric Kits that customize magic for clerics of different CG deities, you can now take Mage Kits that customize mage magic based on the five elements (Fire, Water, Earth, Air, and Aether) plus Void (the absence of elements).