The Diablo III Website announces Blizzard will soon be launching a PTR (Public Test Realm) for Diablo III, allowing the chance to check prerelease versions of upcoming changes to their action/RPG sequel. They accompany this with the release of PTR Patch 1.0.5 Notes for the next patch for the game, offering details on the new Monster Power system, the new Infernal Machine event, and gameplay changes, which include changes to monster damage and defensive abilities, two new shrines, diminishing returns on crowd control effects, class balance tweaks, and more.