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Apple Releases OS X 10.8.1 with Fixes for Migration Assistant, Exchange, and iMessage Issues

Apple today released OS X 10.8.1, the first maintenance update to OS X Mountain Lion. The update is available directly from Apple's site or via the Software Update mechanism that directs users to the Mac App Store for updates.

The update is Build 12B19, up two build numbers from last Friday's developer seed.
This update includes general operating system fixes that improve the stability and compatibility of your Mac, including fixes that:

- Resolve an issue that may cause Migration Assistant to unexpectedly quit
- Improve compatibility when connecting to a Microsoft Exchange server in Mail
- Address an issue playing audio through a Thunderbolt display
- Resolve an issue that could prevent iMessages from being sent
- Address an issue that could cause the system to become unresponsive when using Pinyin input
- Resolve an issue when connecting to SMB servers with long names
- Address a issue that may prevent Safari from launching when using a Proxy Automatic Configuration (PAC) file
- Improve 802.1X authentication with Active Directory credentials.
OS X 10.8.1 is a relatively small update at just 24.2 MB, with Apple pushing out a handful of high-priority fixes for issues discovered in the initial public release of OS X Mountain Lion.

Top Rated Comments

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85 months ago
I was hoping for 10.9. :(
Rating: 34 Votes
85 months ago
Cue the complaints that it doesn't have a battery fix listed.
Rating: 18 Votes
85 months ago
iMessage being able to link phone numbers anyone?
Rating: 15 Votes
85 months ago

Are the days of the Combo updates long gone? Is there a 10.8.1 Combo available for download somewhere? :confused:

The Combo installers appear with the x.y.2 (and later) releases when there are multiple updates to combine, hence the name.

10.8.1 update - updates 10.8.0 to 10.8.1
10.8.2 update - updates 10.8.1 to 10.8.2
10.8.2 combo update - update 10.8.0 to 10.8.2 (includes 10.8.1 updates)

This is not new. It's been like this for years and years.

Note that all standalone Mac OS X updaters eventually show up here:

Again, nothing new.
Rating: 14 Votes
85 months ago

I haven't installed it yet but Safari feels snappier too...
Rating: 12 Votes
85 months ago

Cue the complaints that it doesn't have a battery fix listed.

That would require Apple to actually acknowledge there is an issue - we may find that there is a stealth battery fix in 10.8.1, it's just not in the patch notes.
Rating: 11 Votes
85 months ago
Just updated. Screen seems more retinaish.
Rating: 11 Votes
85 months ago
7.5 mb?
Rating: 9 Votes
85 months ago
I just hopes this fixes the issue where my MBP would lose the 3 finger and 4 finger multi touch gestures capabilities when waking from sleep (not always, but often enough)..
Rating: 8 Votes
85 months ago

Damn! It doesn't fix any of the problems I had after my switch to ML!

1. The icons now load on the right side of the screen instead of the left where they are supposed to.
2. The Recycle Bin has been renamed "Trash"
3. I don't get any of those things from friends now that I used to get. What were they called.....viruses? I think that's it.

If I had know there were all these problems, I never would have stopped using the last operating system! ;)


I seriouesly fell for Recycle Bin. ;)
Rating: 8 Votes

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