I think jQuery 2.0 is partly a response to Zepto.js [1] -- they're both jQuery-API-compatible, and they both drop support for OldIE (Zepto drops all of IE, thou

I think jQuery 2.0 is partly a response to Zepto.js [1] -- they're both jQuery-API-compatible, and they both drop support for OldIE (Zepto drops all of IE, though [2]). [1]: http://zeptojs.com/ http://zeptojs.com/ [2]: http://zeptojs.com/#platforms http://zeptojs.com/#platforms