Apple Releases OS X Mountain Lion 10.8.2 Supplemental Update 2.0

NewImage 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 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

176 months ago

714 kB for me.

Fascinating.

Score: 12 Votes (Like | Disagree)

trustme

176 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)

charliex5

176 months ago

Oh! Safari feels.... yeah...

Score: 11 Votes (Like | Disagree)

Cougarcat

176 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

176 months ago

"supplemental update" reminds me to Windows

Score: 4 Votes (Like | Disagree)

jaqueh

176 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

iOS 27 Will Add These New Features to Your iPhone

Saturday May 2, 2026 8:43 am PDT by Joe Rossignol

Apple is expected to unveil iOS 27 during its WWDC 2026 keynote on June 8, and there are already many rumored features and changes for iPhones. The first developer beta of iOS 27 will likely be available immediately following the keynote, and a public beta typically follows in July. Following beta testing, the software update should be released to all users with a compatible iPhone in...

• 94 comments

Apple Just Released a New Accessory

Monday May 4, 2026 8:13 am PDT by Joe Rossignol

Apple today released a new Pride Edition Sport Loop for the Apple Watch. The band features a rainbow design with 11 colors of woven nylon yarns. The new Pride Edition Sport Loop is available to order now on Apple.com and in the Apple Store app in 40mm, 42mm, and 46mm sizes, and it will be available at Apple Store locations starting later this week. In the U.S., the band costs $49. There...

Why You Might Want to Wait to Buy a MacBook Pro

Friday May 1, 2026 3:43 pm PDT by Juli Clover

Apple refreshed the 14-inch and 16-inch MacBook Pro with M5 Pro and M5 Max models in March 2026, but depending on your needs and interests, you might want to skip this generation because there's something better in the works. The M5 Pro and M5 Max MacBook Pro models have faster chips, but the same design that Apple has used since 2021. An updated design with new display technology and faster ...

• 178 comments

Top Rated Comments

Popular Stories

iOS 27 Will Add These New Features to Your iPhone

Apple Just Released a New Accessory

Why You Might Want to Wait to Buy a MacBook Pro

Next Article

Videos

Guides

Upcoming

Other Stories