In fact there's even a 1.10 beta out now, so they are not dropping support for IE6/7/8 anytime soon. It's true jQuery 2.0 can't be used with old IE, but if that

In fact there's even a 1.10 beta out now, so they are not dropping support for IE6/7/8 anytime soon. It's true jQuery 2.0 can't be used with old IE, but if that's what you need to support use the 1.x branch.