Apple today seeded the third beta of an upcoming OS X 10.11.6 El Capitan update to developers and public beta testers for testing purposes, two weeks after releasing the second OS X 10.11.6 beta and more than a month after the public release of OS X 10.11.5. OS X 10.11.6 has been in testing since May 23.

The OS X 10.11.6 update can be downloaded through the Apple Developer Center or the Software Update mechanism in the Mac App Store.

elcapitanmacbook
OS X 10.11.6, like OS X 10.11.5 and the El Capitan updates that came before it, focuses mainly on performance improvements and bug fixes rather than outward-facing changes. According to Apple's release notes, the update improves the stability, compatibility, and security of Macs.

No obvious changes or bug fixes were found in the first two betas, but we'll update this post should anything new be discovered in the third beta. Apple has also started testing macOS Sierra, the next-generation Mac operating system set to be released this fall.

Related Forum: OS X El Capitan

Top Rated Comments

navaira Avatar
121 months ago
OS X 10.11.6, like OS X 10.11.5 and the El Capitan updates that came before it, focuses mainly on performance randomisation and introducing new bugs rather than outward-facing changes.

We wouldn't have it any other way, would we?
Score: 8 Votes (Like | Disagree)
rmeulen Avatar
121 months ago
Have 10.11.6 beta X running on my SSD and experimenting Sierra on SD for the moment. Indeed, with Sierra ready for testing the need to get betas for El Capitan are lowered. Still 10.11.6 is closer to released version so better for day-to-day working environment. So far no issues with the betas on 10.11.6.
Score: 1 Votes (Like | Disagree)
BaltimoreMediaBlog Avatar
121 months ago
Apple keeps sending notices like, "Please check out bluetooth. We think the latest update will solve your bluetooth issues."

Result: EPIC FAIL. Apple still cannot fix bluetooth from crashing in Yosemite or El Captan after all this time! I get random crashes of the entire bluetooth system, sometimes when plugging an iPhone in, and sometimes for no apparent reason. Sometimes plugging an iPhone in repeatedly reboots the bluetooth chip. Other times, a complete system shutdown is necessary. Some times even rebooting doesn't even reset bluetooth. Btw, I didn't have this problem in Mavericks, so it's highly unlikely it's a hardware problem. It started immediately during one of the Yosemite releases.

God help us all when Bluetooth 5.0 is released. Apple still hasn't figured out 4.0! :(
Score: 1 Votes (Like | Disagree)
BaltimoreMediaBlog Avatar
121 months ago
This definitely isn't typical Bluetooth behavior in OS X. That your hardware worked and then stopped working some time after you upgraded the operating system is no indication that you are not having a hardware problem. Have you tried running the diagnostic routine on your
computer?
I've read enough of the Bluetooth complaints here and elsewhere to know bluetooth has been an Apple issue for almost 2 years now. System diagnostics shows nothing wrong with my machine. The problem lies with Apple's poor ability to program the older bluetooth chipsets. A Mac Pro doesn't have the same bluetooth chipset as some other 2009 Macs of the same year. I suspect this is the reason Apple has cut off 2009 support. They've never gotten it right for those machines and instead of fixing it, they've decided to just move on and pretend the problem didn't even exist.
Score: 1 Votes (Like | Disagree)
MacsRgr8 Avatar
121 months ago
Now we can play with the macOS Sierra betas, this beta has lost my interest.:D

Of course, I understand the need for true developers!
Score: 1 Votes (Like | Disagree)

Popular Stories

Tim Cook Rainbow

Apple Event in October? Here's What to Expect

Monday September 29, 2025 9:31 am PDT by
Apple's annual iPhone event is in the rearview mirror, but rumors suggest the company plans to release a handful of additional products before the year ends. Will there be another Apple event this October? We discuss the possibility below. Apple in October Apple's most recent October events were in 2021 and 2023. In 2022 and 2024, Apple did not host an October event. Instead, it...
Home Hub Command Center with Dome Base Feature

Apple Working on All-New Operating System

Thursday September 25, 2025 1:11 pm PDT by
Apple is developing an all-new operating system codenamed "Charismatic," according to Bloomberg's Mark Gurman. Apple smart home hub concept based on rumors This is likely Apple's long-rumored "homeOS" operating system. In a report last month, Gurman said both Apple's rumored smart home hub in 2026 and tabletop robot in 2027 will run the new operating system. He said the software platform ...
Apple MacBook Pro M4 hero

New MacBook Pro Nears Mass Production, But Four Bigger Upgrades Expected Next Year

Sunday September 28, 2025 2:08 pm PDT by
Apple's next MacBook Pro models will enter mass production soon, according to the latest information shared by Bloomberg's Mark Gurman. In his Power On newsletter today, Gurman said he continues to believe the new MacBook Pro models will be released at some point between late 2025 and the first quarter of 2026, meaning they should be available to order by March at the latest. Apple often...
maxresdefault

New iPad Pro With M5 Chip Leaked in Unboxing Video

Tuesday September 30, 2025 8:39 am PDT by
An apparent unboxing video for an unannounced iPad Pro with the M5 chip was uploaded to YouTube today by Russian channel Wylsacom. The same YouTube account leaked the 14-inch MacBook Pro with the M4 chip before it was announced by Apple last year, so this is likely a legitimate leak. Based on the box shown in the video, this appears to be a 13-inch iPad Pro with an M5 chip, 256GB of...
iOS 26

Apple Releases iOS 26.0.1 With Fixes for Wi-Fi, Cellular, and Camera Issues on iPhone 17 Models

Monday September 29, 2025 10:12 am PDT by
Apple today released iOS 26.0.1 and iPadOS 26.0.1, the first updates to the iOS 26 and iPadOS 26 operating systems that came out earlier this week. The new software can be downloaded on eligible iPhones and iPads over-the-air by going to Settings > General > Software Update. According to Apple's release notes for the update, iOS 26.0.1 addresses a bug that could cause aberrations in...
iOS 26

Apple Continues to Prepare iOS 26.0.1 With Multiple Bug Fixes Expected

Sunday September 28, 2025 1:30 pm PDT by
Apple is preparing to release iOS 26.0.1, according to a private account on X with a proven track record of sharing information about future iOS versions. The account initially said iOS 26.0.1 would have a build number of 23A350, but they now expect the update to have a build number of 23A355. This suggests that the software update will include more bug fixes or changes than initially...
apple wallet drivers license feature iPhone 15 pro teal 1

Apple's iPhone Driver's License Feature Now Available in 11 U.S. States

Tuesday September 30, 2025 6:40 am PDT by
In select U.S. states, residents can add their driver's license or state ID to the Wallet app on the iPhone and Apple Watch, providing a convenient and contactless way to display proof of identity or age at select airports and businesses, and in select apps. Apple recently revealed that the feature would soon be available in North Dakota, and starting today, the feature has officially gone...
fcc vision pro leak

FCC Accidentally Leaks Apple's Next Vision Pro

Tuesday September 30, 2025 3:48 pm PDT by
The United States Federal Communications Commission (FCC) has seemingly confirmed Apple's work on an updated version of the Vision Pro headset. One of several documents the FCC shared today references an Apple-designed "Head Mounted Device" with a model number of A3416. An included image confirms the device is a Vision Pro. The FCC's uploads are transmission tests, SAR test reports, and...
macbook pro prime day 2025

FCC Leaks Upcoming MacBook Pro and More

Tuesday September 30, 2025 1:58 pm PDT by
The United States Federal Communications Commission has confirmed Apple's work on a new version of the MacBook Pro and several other products, leaking details on the devices ahead of launch. The FCC published documents that reference model numbers that do not correspond with existing devices. A3434, for example, references an unreleased MacBook Pro, while other numbers are likely for...
LG UltraFine 6K Display TB5

LG UltraFine 6K (32U990A) TB5 Display: Pre-Orders Open September 30

Monday September 29, 2025 6:21 am PDT by
Pre-orders for LG's new UltraFine evo 6K display (model 32U990A) with Thunderbolt 5 support will begin on September 30, according to a major U.S. retailer listing. LG first revealed the 32-inch display at CES 2025 in January, teasing its status as the first monitor to support Thunderbolt 5. At the time, LG only provided high-level specs, but left pricing, availability, and full technical...