Skip to Content

Apple Seeds First Mac OS X 10.6.8 Build to Developers

by

snow leopard questionMacRumors has received word that Apple today seeded the first developer build of Mac OS X 10.6.8. The build, termed 10K521, comes nearly two months after the public launch of Mac OS X 10.6.7.

No details on changes included in the update have yet been revealed.

Work on Mac OS X 10.6.8 comes as Apple continues to move toward a "summer" release of Mac OS X Lion, which has been in developer previews for some time now and will undoubtedly be a major focus of Apple's Worldwide Developers Conference early next month. Consequently, Mac OS X 10.6.8 may be the final maintenance update for Snow Leopard, depending on how long it takes to make it through the refinement process and Apple's final timeframe for launching Lion.

Popular Stories

Apple MacBook Pro M4 hero

Apple Planning 'MacBook Ultra' With Touchscreen and Higher Price

Sunday March 8, 2026 8:05 am PDT by
Apple is planning to launch an all-new "MacBook Ultra" model this year, featuring an OLED display, touchscreen, and a higher price point, Bloomberg's Mark Gurman reports. Gurman revealed the information in his latest "Power On" newsletter. While Apple has been widely expected to launch new M6-series MacBook Pro models with OLED displays, touchscreen functionality, and a new, thinner design...
Read Full Article • 479 comments
imac video apple feature

Apple Unveils Seven New Products

Friday March 6, 2026 11:48 am PST by
Apple this week unveiled seven products, including an iPhone 17e, an iPad Air with the M4 chip, updated MacBook Air and MacBook Pro models, a new Studio Display, a higher-end Studio Display XDR, and an all-new MacBook Neo that starts at just $599. iPhone 17e features the same overall design as the iPhone 16e, but it gains Apple's A19 chip, MagSafe for magnetic wireless charging and magnetic...
Read Full Article
ios 26 4 yellow

Everything New in iOS 26.4 Beta 4

Monday March 9, 2026 3:50 pm PDT by
Apple is continuing to test the iOS 26.4 beta, and the latest update is now available for developers and public beta testers. As testing goes on, there are fewer new features in each beta, but today’s release adds new emoji characters and a few other changes. New Emoji Apple added new emoji characters, including trombone, treasure chest, distorted face, hairy creature, fight cloud, orca,...
Read Full Article • 65 comments

Top Rated Comments

macduke Avatar
macduke
194 months ago
Have you tried disabling CRL in Keychain.app's certificate preferences? I'm getting a ton of beachballs in the App Store when it is set to "best attempt".

Haha I was just about to post that. Saw that tip on HardMac's Twitter feed awhile back.

https://twitter.com/hardmac_dot_com/status/65500444092407808 (https://twitter.com/hardmac_dot_com/status/65500444092407808)

hardmac_dot_com: If the Mac App Store takes forever to load, you probably have "CRL checking" activated in Keychain.app preferences.
Score: 4 Votes (Like | Disagree)
A
altecXP
194 months ago
Mac OS X 10.6.8 build 10K521 Seed Note

Mac OS X Update 10.6.8 is an update to Mac OS X 10.6.

Installation Instructions

The Mac OS X 10.6.8 Update (combo) updates Mac OS X 10.6, 10.6.1, 10.6.2, 10.6.3, 10.6.4, 10.6.5 , 10.6.6 or 10.6.7 GM builds.

The Mac OS X 10.6.8 Update (delta) updates Mac OS X 10.6.7 GM only.

Please be aware that you will not be able to revert back to your previous system after updating. Please install this update on a system you are prepared to erase if necessary.

As this is a pre-release build, it is not advisable to use this software on a production system with information on it that you depend on for your business.

Known Issues

- None

Focus Areas

-*AirPort
- Graphics Drivers
- Mac App Store
- Networking
- QuickTime
- VPN
Score: 3 Votes (Like | Disagree)
RichardBeer Avatar
RichardBeer
194 months ago
I am going to hope probably in vain, for an OpenGL update. If Lion doesn't bring OpenGL 3.3, then I'll probably switch to Ubuntu/Fedora or Windows 7 because I'm sick of dealing with inferior 3D performance on the apps I use.
Score: 2 Votes (Like | Disagree)
tkermit Avatar
tkermit
194 months ago
I'm glad 10.6 is getting another update. 10.6.7 really slowed down access to the App Store.

Have you tried disabling CRL in Keychain.app's certificate preferences? I'm getting a ton of beachballs in the App Store when it is set to "best attempt".
Score: 2 Votes (Like | Disagree)
P
pondosinatra
193 months ago
I'm glad 10.6 is getting another update. 10.6.7 really slowed down access to the App Store.
And unless 10.7 has some killer, and I mean KILLER, upgrades, I expect to stay with Snow Leopard. It works great for me, and if it ain't broke....

Well for me Apple's refusal to offer a matte screen option on their iMacs means I'll also be stuck at 10.6.x as I refuse to buy a new system.
Score: 1 Votes (Like | Disagree)
K
kerryb
194 months ago
See you again

I am going to hope probably in vain, for an OpenGL update. If Lion doesn't bring OpenGL 3.3, then I'll probably switch to Ubuntu/Fedora or Windows 7 because I'm sick of dealing with inferior 3D performance on the apps I use.

Please inform Apple and us of your decision as soon as you switch to Windows, we all wish you the very best with your new platform and we doubt we should hear from you on this forum, bye.
Score: 1 Votes (Like | Disagree)
Read All Comments