Re:JQuery 2.0 Drops Support for IE6/7/8; API-Compatible with...
by Kerrick on Thursday June 28, 2012 @10:56PM
(#4175018)
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/ [2]: http://zeptojs.com/#platforms