Blizzard has released the latest patch for Diablo 3 and it brings quite a number of changes, if you want to read all about the changes, you can do that here, but if you want to see all the changes, you can do that below.
There is a new zone to explore in the latest patch The Ruins of Sescheron
The frozen wasteland that is the Ruins of Sescheron are now open for exploration! Filled with new enemies, traps, and environmental hazards, you'll be able to explore the region and learn more about what befell the barbarians of Mount Arreat. Explore the Immortal Throne and obtain the ultimate treasure: Kanai's Cube.