First Beta of OS X Lion 10.7.3 Seeded to Mac Developers

Nov 15, 2011 - 6 Comments

Mac OS X Lion 10.7.3 developer build

Apple has seeded the first release of Mac OS X 10.7.3 to developers, the build is 11D16 and focuses on iCloud document storage, in addition to changes to Address Book, iCal, and Mail.

The update weighs in at 633MB and is downloadable through the Mac Developer Center to registered devs for both OS X Lion Client and Server. Apple recommends that users install the update only on Macs they don’t mind erasing, warning that downgrading back to the stable 10.7.2 build is impossible (although this is usually easy through Time Machine backups).

We’re hoping the vague “iCloud document storage” changes are to officially include native iCloud file syncing in Mac OS X, although there is no word on that yet. If you’re interested in reading the official release notes, you can check them out on 9to5mac.

For reference, Mac OS X 10.7.2 was released on October 12, 2011 and included iCloud support in addition to bringing a variety of fixes and adjustments to Lion.


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Posted by: Matt Chan in Mac OS, News


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  1. bob says:

    I hope the problem of lagged movements of going to the mission control by hand gestures would be solved in this update.
    The kernel application consuming so much ram is very annoying I hope Apple issues a solution for that.
    Core i7 , 8 Gb Ram , feels like an sluggish PC !
    Snow leopard was way better!

    • winston smith says:

      “snow leopard was way better”

      here here! I only upgraded to lion for the icloud support. I wasn’t holding out hope for icloud in sl before mobileme gets dumped in the summer.

      • Bob says:

        I see your point, that’s right , but I believe you would agree with me that having Lion on your macbook pro 2011 core i7 with 8GB of ram and still dealing with lags in animations shall I call , absolutely undoubtedly will FREAK ANYONE OUT! ,
        I did not have any any any sort of problems with SL and well I upgraded because it was the right thing to do when you want to have access to the new features esp. icloud.
        I hope in this update or next Apple would fix it.

  2. Joseph says:

    I hope iMessage for Mac will be included.

  3. Stephen says:

    iCloud file transfer needs to be part of the desktop as easy as AirDrop. Maybe the Address Book and iCal changes will give us the option to ditch the horrendous leather appearance and go with a normal UI too :)

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