http://www.diablofans.com/news/48250-blizzcon-is-here-live-updates-for-the-diablo-panel
Stay tuned for live updates from Blizzcon's "Diablo III - What's Next?" panel, starting 2:15PM PST (23:15 CET)! All updates, including relevant screencaps will be posted here. This post will be updated a lot once the panel goes live, check back often!
The Panel has not yet begun.Off-Stage info:
New Armor Sets: (from playable demo)Barbarian: Whirwind and Rend
Demon Hunter: Multishot - 6 Piece Set: Gain 2 Dis(nene)line from Generators, Fires 2 Rockets each Multishot.
Wizard: Slow Time - Enemies in Slow Time take 1250% weapon damage per second. Energy Twister, Magic Missiles and Frozen Orb deal bonus damage to enemies in Slow Time. Slow Time cooldown is reduced by 2 seconds when casting spells.
New area: Sesheron (old Barbarian capital, now snowy ruins) along with new monster types. (from playable demo)
New Rift Guardian: Rat King. (from playable demo)
New types of Treasure Goblins, some of which drop Blood Shards, others gems and others again drop crafting materials and plans. (from playable demo)
Changes to Sunwuko set to be less spammy but not obviously weaker. (from playable demo)