OS X El Capitan 10.11.1 Beta 1 Released for Testing

Sep 17, 2015 - 7 Comments

OS X El Capitan 10.11.1

Apple has released the first beta version of OS X 10.11.1 to users participating in the Mac OS X Developer program. The initial pre-release build of OS X El Capitan 10.11.1 beta 1 arrives as 15B17c.

It’s unclear what the specific focus of OS X 10.11.1 is at the moment (particularly given that OS X 10.11 isn’t finalized yet), but typically the smaller OS point releases focus on bug fixes, performance improvements, and support for additional small features.

Mac users who are participating in the OS X Developer program can find the OS X 10.11.1 beta through the official Developer Center website here, and the download itself will arrive through the Mac App Store.

Presumably, OS X 10.11.1 beta 1 will also be available to Mac users enrolled in the OS X Public Beta program, but at the moment it’s only available for registered developers.

OS X El Capitan 10.11.1 beta 1

As usual with running beta versions of system software, be sure to backup the Mac beforehand.

For those wondering, OS X El Capitan is not yet available to the public outside of beta versions. OS X El Capitan 10.11 is currently in Gold Master candidate stage, with OS X El Capitan 10.11 scheduled to be released to the public on September 30 as a free download.


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Posted by: Paul Horowitz in Mac OS, News


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  1. mark says:

    I too am at a loss as to why there is an update to an unreleased version, why not just call 10.11.1 as simply 10.11 public release.

    Plainly they have a schedule for release, irrespective of whether they are complete/working or not.

  2. LoL says:

    already installed Golden Beta Candidate 10.12,1

  3. Shirley says:

    I have received all the updates of El Capitan as a public beta tester but when I look for the GM my computer states that there are no updates available. Think Apple should slow down, get it right and we would all be happier.

  4. Kevin says:

    This update includes Unicode 8, with the new emoji’s found in iOS 9.1.

  5. Guan Ying says:

    OS X 10.11.1 beta and we don’t even have the public version of 10.11 yet? Good grief, slow down!

    Apple is rushing through software updates too fast, clearly to meet deadlines, no wonder the software quality has degraded so bad.

  6. Neil says:

    I wonder if this will be like iOS 9.1 beta and run better than the so-called final version? I’m not going to jump in as a guinea pig quite yet, but interesting.

    For what it’s worth, I find OS X 10.11 to be much better, faster, than what it’s replacing. OS X 10.11 is certainly more optimized for hardware and performance than iOS 9 is, which runs weirdly slow, choppy, and chuggy on a brand new iPhone 6!

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