jQuery Roadmap

A great insightful update into the future of jQuery and 1.9 vs 2.0 due next year which should be essentially the same but 2.0 will drop support for old IE (meaning ie6, ie7 and even ie8). So it should be much smaller and more effecient. Developers will choose wether they need ie support and will use 1.9, and those who are alive will use 2.0. 

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jQuery Blog » jQuery Core: Version 1.9 and Beyond
As the last blog post discussed, jQuery version 1.8 is undergoing a spring cleaning to remove insecure, inefficient, ineffective, and inadvisable features. We've also begun the work to allow you to bu…