I thought it was odd too that they'd put this in an LTS release, however it's not a done deal yet:
Landing in 12.04 LTS is gated on more widespread testing. You can of course try this out from a PPA or branch the code in Launchpad (you will need these two branches). Or dig deeper with blogs on the topic from Ted Gould, Olli Ries and Gord Allott. Welcome to 2012 everybody!