Apple Releases OS X Mountain Lion 10.8.2 Supplemental Update 2.0 - MacRumors
Skip to Content

Apple Releases OS X Mountain Lion 10.8.2 Supplemental Update 2.0

by

NewImageApple has released a minor update to OS X Mountain Lion, fixing "an issue with Keychain that can affect 2012 Mac systems." The update weighs in at 26.65MB and can be downloaded through Apple's support site or the Mac App Store.

About OS X Mountain Lion 10.8.2 Supplemental Update 2.0

This update addresses an issue with Keychain that can affect 2012 Mac systems.

This update is recommended for all Mac systems introduced in 2012.

Apple previously released OS X v10.8.2 Supplemental Update 1.0 at the beginning of October.

Top Rated Comments

roadbloc Avatar
roadbloc
175 months ago
714 kB for me.

Fascinating.
Score: 12 Votes (Like | Disagree)
T
trustme
175 months ago
And when is 10.8.3 coming? 10.8.2, with its endless mdworker, sandboxing and wake-from-sleep issues is probably the worst ever 10.x.x release from Apple.

you say that about every new update. you're such a negative nancy.
Score: 11 Votes (Like | Disagree)
C
charliex5
175 months ago
Oh! Safari feels.... yeah...
Score: 11 Votes (Like | Disagree)
C
Cougarcat
175 months ago
An update during their week off? Do I detect a faint hope of an imminent iTunes?

No. No, I don't.
Score: 5 Votes (Like | Disagree)
robertosh Avatar
robertosh
175 months ago
"supplemental update" reminds me to Windows
Score: 4 Votes (Like | Disagree)
J
jaqueh
175 months ago
[url=https://cdn.macrumors.com/im/macrumorsthreadlogodarkd.png]Image (https://www.macrumors.com/2012/11/20/apple-releases-os-x-mountain-lion-10-8-2-supplemental-update-2-0/)[/url]


Image (https://cdn.macrumors.com/article-new/2012/11/NewImage28.png)Apple has released a minor update to OS X Mountain Lion, fixing "an issue with Keychain that can affect 2012 Mac systems." The update weighs in at 26.65MB and can be downloaded through Apple's support site (http://support.apple.com/kb/DL1611) or the Mac App Store.
Apple previously released OS X v10.8.2 Supplemental Update 1.0 at the beginning of October (https://www.macrumors.com/2012/10/04/apple-releases-os-x-10-8-2-supplemental-update/).

Article Link: Apple Releases OS X Mountain Lion 10.8.2 Supplemental Update 2.0 (https://www.macrumors.com/2012/11/20/apple-releases-os-x-mountain-lion-10-8-2-supplemental-update-2-0/)

I want them to fix all of the rMBP's graphical glitches!
Score: 4 Votes (Like | Disagree)
Read All Comments

Popular Stories

macOS 27 on MacBook Pro

macOS 27 Will Mark the End of an Era

Saturday April 18, 2026 6:45 am PDT by
During its Platforms State of the Union segment at WWDC 2025, Apple revealed that macOS 26 Tahoe is the final major macOS version for Intel-based Macs. The upcoming macOS 27 release will be compatible with Apple silicon Macs only, meaning that you will need a Mac with an M-series chip or a MacBook Neo with an A18 Pro chip in order to install the software update. macOS 27 should be available...
Read Full Article • 276 comments
Aston Martin CarPlay Ultra Screen

Apple Says CarPlay Ultra is Coming to These Vehicle Brands

Saturday April 18, 2026 5:59 am PDT by
Last year, Apple launched CarPlay Ultra, the long-awaited next-generation version of its CarPlay software system for vehicles. Nearly a year later, CarPlay Ultra is still limited to Aston Martin's latest luxury vehicles, but that should change fairly soon. In May 2025, Apple said many other vehicle brands planned to offer CarPlay Ultra, including Hyundai, Kia, and Genesis. CarPlay Ultra...
Read Full Article • 25 comments
Tim Cook Rainbow

Apple CEO Tim Cook Stepping Down, John Ternus Taking Over

Monday April 20, 2026 1:33 pm PDT by
Apple CEO Tim Cook is stepping down as Apple's chief executive officer, and hardware engineering chief John Ternus is set to take over, Apple announced today. Cook will continue on as Apple CEO through the summer, with Ternus set to join Apple's Board of Directors and take over as CEO on September 1, 2026. Cook is going to transition to executive chairman, and he will "assist with certain...
Read Full Article • 344 comments