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Apple Seeds OS X 10.8.5 Build 12F23 to Developers

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Apr 12, 2001
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Apple today seeded build 12F23 of OS X 10.8.5 to developers, offering a fifth version of the next Mac operating system update for testing. The release comes one week after the appearance of the previous beta of OS X 10.8.5, build 12F20.
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As with previous betas, the update comes with no known issues and can be downloaded via Apple's Developer Page or through the software update tool in the Mac App Store.

Testing on OS X 10.8.5 comes as Apple is also continuing work on its next major version of OS X, Mavericks. Apple has already seeded three developer previews of OS X Mavericks and has announced that it will launch the new operating system to the public this fall.

Article Link: Apple Seeds OS X 10.8.5 Build 12F23 to Developers
 
Article Link
https://www.macrumors.com/2013/07/17/apple-seeds-os-x-10-8-5-build-12f23-to-developers/
I guess this will be the last update for Mountain Lion, good.

Since Snow Leopard I think OS X is not that at it's best, hopefully Mavericks will be more like Snow Leopard performance wise.
 
Hopefully if this is the last version of 10.8 they release all of the new hardware BEFORE this so I don't have to support yet another OS so soon... BRING ON THE HASWELL HARDWARE!
 
Also, hoping it fixes the uneven audio coming out of my 2013 Macbook Air...
 
Does it fix the slow restart? (Sorry, had to... do people still ask this? I haven't been paying attention for a month.)
 
How about that audio glitch or stutter dat happens at random moments? I can't replicate it making it even more annoying.
 
nikicampos said:
I guess this will be the last update for Mountain Lion, good.
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What makes you say that? Granted these aren't the days where we'd see 10.x.13, but I don't see why anything would prove us failing to see 10.8.6 in the future.
 
Is the shutdown the same? I need more answers. What is the average speed on say a HD. Please test at least 5 times.
 
Does this fix the bug where OS X artificially limits local file transfer speeds over AC wifi?
 
Parasprite said:
What makes you say that? Granted these aren't the days where we'd see 10.x.13, but I don't see why anything would prove us failing to see 10.8.6 in the future.
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Always look at previous history, almost after every new 10.X release, the previous 10.X.X is the last one and there are no future updates.

Here.
 

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Please just release a fix for the stupid EFI bug you introduced in the Retina MacBook Pros that throttles unnecessarily :(
 
Update 10.8.5

what will be fix in this 10.8.5 any measure or minor fixes will be apply !!
when to release ??
 
nikicampos said:
Since Snow Leopard I think OS X is not that at it's best, hopefully Mavericks will be more like Snow Leopard performance wise.
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But with 10.8.4 we have come to a point quite near the SL performance. At least for me ML runs smooth - with a whole bunch of additional features that should be considered.
 
Mike MA said:
But with 10.8.4 we have come to a point quite near the SL performance. At least for me ML runs smooth - with a whole bunch of additional features that should be considered.
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Really, I don't think it's quite there, better than Lion, but not as good as Snow Leopard.
 
nikicampos said:
Always look at previous history, almost after every new 10.X release, the previous 10.X.X is the last one and there are no future updates.

Here.
Click to expand...

That makes sense, It always seemed to me as if they usually had one point update after the next one was released, but this certainly proves me wrong.
 
Dannel said:
Just plan to try the Mavericks, what is difference between the two versions?
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A LOT of under-the-hood improvements, making the system faster and more stable.

Just like Snow Leopard; no new features (or just a few), but a lot of improvements you won't see, but definitely will FEEL! :cool:

Mavericks will be the best release since SL!
 
The biggest problem I have with ML on my new iMac is network drives being dropped when I wake it up from deep sleep, and the only fix often was a restart. Its got so bad I just leave the iMac on 24/7, with the screen going off after about 30 minutes.

Really hope the next OS X can fix that or maybe this minor update.
 
jafingi said:
A LOT of under-the-hood improvements, making the system faster and more stable.

Just like Snow Leopard; no new features (or just a few), but a lot of improvements you won't see, but definitely will FEEL! :cool:

Mavericks will be the best release since SL!
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I sure hope you are right, though I'd like to see some minor improvements in various areas. I don't need HUGE software upgrades, but there are many minor things which would make OSX better
 
I love how people don't remember anymore how buggy and graphically slow Snow Leopard was until 10.6.4 or 10.6.5...

If you want refinement of stability, yearly major releases of an OS are not what you're looking for.
 
Can't wait to be rid of the Lion's

Lion (skipped), and ML both suck.

Mavericks I hope will be like more on the stability of SL.
Without rambling on what everyone has issues on (I have at least 5 ongoing), my iMessages are still out of order to this day. To fix? re-launch program.
 
nikicampos said:
Always look at previous history, almost after every new 10.X release, the previous 10.X.X is the last one and there are no future updates.
Click to expand...

But in most cases that last release is very close to the release of the next major version, sometimes even after. At this point there's no way to tell, they could release 10.8.5 in a week or two then work on 10.8.6 until september when 10.9 ships (that would give them around two months, maybe more). Or they could keep working on .5 for a couple months and release that around the time we see 10.9.

We just don't know. People said that .3 and .4 would be the last version. With .5 it's more likely but I still think there's a decent chance we see yet another.
 
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