jQuery 1.2 includes several new features. Additionally several inefficient or confusing features from 1.1 were dropped from the latest release, as was XPath selector support. Any projects that require these 1.1 features can be augmented with the jQuery 1.1 Compatibility Plugin and the XPath Selector Plugin. The compressed jQuery 1.2 library is 14 kb. The uncompressed version is 77 kb.