Blizzard just recently released patch 1.04 for Diablo 3. With this patch they introduced a new feature: paragon levels. Is there a place that has all of the upcoming patches or features that Blizzard has planned for Diablo 3?
closed as not constructive by Jason Berkan, Mark Trapp, OrigamiRobot, kotekzot, jmfsg♦ Aug 24 '12 at 19:28
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Upcoming patch plans are only officially previewed on Blizzard's official Diablo 3 page. But there is a slew of information to be gleaned from forum posts, developer interviews, AMAA's, and more.
Personally, I just use an rss feed to diablofans. Every few days (actually, almost daily for the few weeks preceding 1.0.4) there's an update on the latest blue posts and the rest of the behind-the-scenes stuff that you probably wouldn't ever find on your own. I wouldn't call it exhaustive, but in general I certainly feel more informed about upcoming changes than most of the people I interact with in-game.
For all of your your diablo 3 patch needs to directly to the soure: http://us.battle.net/d3/en/
They are pretty good for giving you up to date hotfixes and recent patches that are coming out. They don't give ALL of the patches they have planned for the future. If you want just google once and awhile and see if anyone has done an interview with the developers.