Nothing special here, but it looks like they have some chat bugs they’ve worked out after patch 17.

    Diablo III Beta Patch 18 – v.
    Released 4/19/12

    Bug Fixes

    For a full list of documented game and service bugs, please review the Known Issues sticky located in the Beta Bug Report forum.
    Friends lists from other Blizzard games should now appear properly in the Diablo III beta client #18

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