OS X El Capitan Developer Beta 6 Available for Testing

Aug 3, 2015 - 23 Comments

OS X El Capitan

Apple has released the sixth beta build of OS X El Capitan for eligible Mac developers to test. The new build arrives versioned as 15A244d and marches the operating system further towards the wider public release, scheduled loosely for the fall.

Mac developers can find the new version, which weighs in around 1.5GB, available to download now from the App Store Updates section. As usual a reboot is required to complete installation.

Presumably the new release continues to focus on bug fixes, feature improvements, performance enhancements, and other optimizations to OS X 10.11. The release notes accompanying the download are quite brief, however, simply stating “This update is recommended for all users” who are running an existing developer beta build of El Capitan.

Developer Beta builds are separate from Public Beta builds, and typically Apple will release a new developer beta before later pushing an update to the OS X Public Beta program. Developer releases are generally intended for Mac software and hardware developers, accessible as part of the annual Apple Developer program membership, whereas Public Beta releases can be used by anyone who opts in to participate in the program. Later in the year, the final version will be released to the general public as a free download from the Mac App Store.

OS X 10.11 El Capitan aims to enhance the Mac operating system experience by adding performance improvements, smarter features, a new split-screen app view, and other general refinements to OS X.


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Posted by: Paul Horowitz in Mac OS, News


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  1. Sjengie says:

    I installed el capitan (i have official developer account) and now it wants me to go through all the updates one by one? Is there no faster way? Already tried develop site but eventhough it says i can download beta 6 the app store still starts from scratch 1

    • KyM says:

      Same Issue. I tried fresh installing 10.11 Beta 1 then…Running the Firmware Update Package for Beta 6 Delta Update … Installing Beta 6 Delta Update…

      I lost bluetooth. I’m not sure what else but something tells me these updates must be done in order (1,2,3,4,5,6) and not (1 straight to 6)

      Someone correct me if I’m wrong.

      I’m currently back on 10.11 Beta 1 and updating via App Store. It is downloading Beta 2 1.0 and I assume it will then download 3,4, etc.. after installing each.

      I might as well download Public Beta 2 but that’s like 6gb.

  2. Yura says:

    After Effects CC 2015 not working on Beta 6
    Premire Pro CC 2015 work fine

  3. Dan says:

    Adobe After Effects CC 2014 not working on Beta 6 & 5, Works on Beta 3 & 4.

    Adobe Photoshop & Illustrator CC 2015 working normally.

  4. Inssider says:

    1 – More Emoji with even more ethnicity choices.
    2 – The system font will now be Comic Sans, with Marker Felt available as an option.
    3 – Maps will now auto start every Logon, and pinpoint your location for the first 2 minutes in full screen mode before allowing you to close or minimize it.
    4 – Disk Utility will get a GUI facelift.
    5 – The new default sound for the Mail App is the “You’ve Got Mail” wav sound from AOL.

  5. KURT HANSON says:

    Downloading OS X El Capitan Developer Beta 6 now at 6:12 AM …, few are on this Time Warner line here in Staten Island area …, wow! Three Gigs downloaded in little more than five minutes …! 

    Done! “To set up the installation of OS X 10.11, click Continue.

    I work with Logic Pro X a bit so I want the Apple dudes to realize problems with it. Beta 6 shouldn’t give me problems. 

    Gotta go. 🖖

  6. ealbright says:

    There’s an exceptionally nice new wallpaper in this release, best one Apple has put out in a while.

  7. Steve Jobs says:

    Well now that I’m smoking blunts with Jerry Garcia and Jesus, I have to say that whoever is in charge of Apple has certainly screwed everything up. Only one 3.0 USB on the new MacBook? Taking out the optical drive?

  8. T. Cook says:

    As the poster stated the other day, WiFi is only meant for convenience, not performance or stability. The only reason we at Apple removed the Ethernet port was so we could cut cost in the Macs by approximately .89 cents and increase our profit margin even more.

    The more you use WiFi, the more likely you are to drop and break your Mac increasing repairs and sales for us. As an added bonus, many of us Apple employees read the stuff here and get a huge LOL from all the WiFi Whiners. I personally have refused WiFi to be allowed to be fixed for that very reason!

  9. Kris says:

    Someone mind posting the direct link to the upgrade file again? ;) Thx

    • Why don’t you just pay to have a developer membership? I did, and I’m not going to share.

      • Kris says:

        Because I’m in the public beta program and will get it tomorrow but was going to install early.. not a big deal to wait, but someone in here posted the link when beta 5 was released to devs, was just wondering if he was going to again..

    • Arvis Copley says:

      yep, I would like to have the direct link also. Thanks for posting it again.

    • Patrick says:

      Sure, it’s developer.apple.com.

      Don’t be the putz who uses beta software without a legitimate reason and without paying for it, then complains when some obscure application doesn’t work because the developer hasn’t updated it.

  10. Mr. B says:

    Obviously, the world wide hype, success rates of upgrading, and dates of release with Windows 10 is clearly being taken notice by Apple as they are in rapid fire mode with weekly beta updates of OS X 10.11. Apple is acting like they want their new operating system out almost as fast as possible. No doubt Apple wants 10.11 to be rock solid, but don’t want to be left in the dust of the release of Windows 10. I have a feeling the Gold Master version of OS X 10.11 El Capitan will be released on an earlier calendar date than OS X 10.10 Yosemite did last year.

    • Kevin says:

      The most ridiculous post ever written. Why on earth would Apple care what microsuck do? They don’t. The question you need to ask yourself is why microsuck have gone from windowz 8 to windowz 10. I think you’ll find microsuck are the ones with the inferiority complex, after all, windowz 8 was a dog. Thats why their users post idiotic comments on Apple blogs.

      • Andy says:

        My friend i use both systems to work and i’m not prejudiced the problem is that most apple users dont even know how good new Microsoft products are, and and the longer time they use apple products, and avoid microsoft the louder they cry.
        Windows 8 was a failure thats a fact but most of the things were fixed in 8.1 i used them both having also a macbook pro so i have expirience with all these systems. Many apps that had no equvalent on windows some years ago are now avalable and working as good as those on osx, and one more thing, hating microsoft will not change the fact that apple makes everything to look better than ms and they have to competee with company that even now sells around 20 times more operating systems per year than apple.

  11. Jim Grumpygrymple says:

    Did they fix wi-fi yet? Is the font still microscopic? Did Apple Music eat your iTunes music library?

  12. Yo Rocks says:

    And the WiFi Whiners start crying and post here in 3. 2. 1.

  13. Samuel says:

    Apple is really cranking out the updates quickly for El Capitan betas, maybe they will release a stable OS X 10.11.0 release, a stable .0 release for the first time in many years?! That would be something wouldn’t it?? We can hope!

    I hope you’re all filing bug reports for El Capitan on a regular basis… because all the ones I submitted during Yosemite beta were never fixed, they were ignored, shipped with the OS, LOL, and they still exist now in the so-called ‘final’ version of OS X 10.10.4… some are fixed with OS X 10.11 however, but mostly if they’re related to networking.

    • Patrick says:

      Cripes, am I one of the only people who’s never had a barrage of issues with my OS X and iOS x.0 releases?

      I do a clean wipe on all of my notebooks and desktops every autumn, mostly because I don’t care for upgrade on top of upgrade on top of upgrade on top of upgrade… Anyway, I never experience these weird issues which people always complain about.

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