What You Need to Know About jQuery 1.3 - NETTUTS
Sizzle (new selector engine, available separately), Live Events (a variant of event delegation), Feature Detection (instead of user agent sniffing), faster HTML injection and more.
<3<3<3jQuery: » jQuery 1.3 and the jQuery Foundation
Happy Birthday to jQuery! jQuery is three years old today, after being released way back on January 14th, 2006 at the first BarCampNYC by John Resig. We have four announcements for you today, we hope you’ll enjoy them!