Battle.net now has a
preview of the upcoming patch for Diablo III that will bring the
action/RPG sequel to version 2.3.0. They describe a new overhaul of the crafting
system, a new zone that will help usher in new bounties and changes to the
bounty system, changes to Nephalem and Greater Rifts, and a better payoff for
Infernal Machines. They don't specify when the patch will go live, but they do
invite players to preview it on the PTR.