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macrumors bot
Original poster
Apr 12, 2001
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Apple today issued build 12E40 of OS X Mountain Lion to developers, a week after build 12E36 was released. Build 12E40 marks the fifth beta iteration of OS X 10.8.4.

12e40.png
Apple continues to ask developers to focus on Wi-Fi, Graphics Drivers, and Safari.

The update is available through the software update tool in the Mac App Store and Apple's Developer Page.

Article Link: Apple Seeds Build 12E40 of OS X Beta 10.8.4 Developers
 

jan1024188

macrumors member
Apr 27, 2011
79
95
What if 10.3 was just a placebo. I mean, 10.3 and 10.4 have exactly the same 'focus', wifi, safari, graphics.

Maybe 10.4 was supposed to be 10.3, but they were taking forever with 10.3 so they decided to actually release half baked thing.

EDIT. Sorry, meant 10.8.3, 10.8.4.
 
Last edited:

JohnDoe98

macrumors 68020
May 1, 2009
2,488
99
What if 10.3 was just a placebo. I mean, 10.3 and 10.4 have exactly the same 'focus', wifi, safari, graphics.

Maybe 10.4 was supposed to be 10.3, but they were taking forever with 10.3 so they decided to actually release half baked thing.

Definitely not a placebo. I've noticed a few additional annoying bugs since 10.8.3. Looking forward to 10.8.4...
 

coder12

macrumors 6502a
Jun 28, 2010
512
3
What if 10.3 was just a placebo. I mean, 10.3 and 10.4 have exactly the same 'focus', wifi, safari, graphics.

Maybe 10.4 was supposed to be 10.3, but they were taking forever with 10.3 so they decided to actually release half baked thing.

10.3 & 10.4? Panther and Tiger? ;)
 

Michael Goff

Suspended
Jul 5, 2012
13,329
7,421
What if 10.3 was just a placebo. I mean, 10.3 and 10.4 have exactly the same 'focus', wifi, safari, graphics.

Maybe 10.4 was supposed to be 10.3, but they were taking forever with 10.3 so they decided to actually release half baked thing.

It seems like it's a bit late to be complaining about Panther and Tiger if you ask me.
 

MikhailT

macrumors 601
Nov 12, 2007
4,582
1,325
What if 10.3 was just a placebo. I mean, 10.3 and 10.4 have exactly the same 'focus', wifi, safari, graphics.

Maybe 10.4 was supposed to be 10.3, but they were taking forever with 10.3 so they decided to actually release half baked thing.

They rarely details the changelog in the seed notes, it is almost always the same general list of area to focus on, it does not imply anything most of the time.
 

rossip

macrumors regular
Feb 13, 2011
183
0
If anyone that can run the build has OpenGL Extension Viewer, could you post AMD new driver number and if more extensions have been unlocked? Currently on 10.8.3, 50% of OpenGL 3.3 has been unlocked, hopefully 10.8.4 will bring more!
 

Ddyracer

macrumors 68000
Nov 24, 2009
1,786
31
Hope this fixes sudo, have some weird permission problem, that wasn't there till i updated to 10.8.3
 

sprawl2

macrumors newbie
Jun 26, 2012
15
18
Graphics drivers are now 8.12.46 310.40.00.05f01, which is up from 8.12.45 310.40.00.05f01
 

justperry

macrumors G5
Aug 10, 2007
12,557
9,750
I'm a rolling stone.
Hope this fixes sudo, have some weird permission problem, that wasn't there till i updated to 10.8.3

Just yesterday there was one user with this issue, his admin was off in Users & Groups, you could also try disabling and enabling it.
 

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LV426

macrumors 68000
Jan 22, 2013
1,835
2,262
Slow shutdown fixed yet?

Slow shutdowns are usually there for a reason. When you ask the system to shutdown, it politely asks running processes to terminate. There are very many reasons why an individual process may not respond to a shutdown request in a short time. You would not thank your computer, for example, if it powered off with half a file written to your filing system. Hardware problems, as well as software and networking problems, can cause slow shutdowns.

If you use Google you will probably find guidance that you can use to go through the system events that take place during shutdown. There may be some clue there as to why your particular device is taking its time. If you raised a help call with Apple, they would probably ask you to provide the event log.
 

LV426

macrumors 68000
Jan 22, 2013
1,835
2,262
Safari IS snappier for me with 12E40. Seriously, not kidding. Fastest browsing I've ever experienced.

Does this version cache pages correctly? For example, visit the following site, which marks its home page as having a 30-minute expiry.

http://www.theregister.co.uk/

Enable Developer tools: Safari | Preferences | Advanced | Show Develop Menu in menu bar.

Go to the menu bar and choose Develop | Show Page Resources

On the LHS of the tools section, click http://www.theregister.co.uk.

On the RHS of the tools section, expand Request & Response.

Click the vulture icon near the top of the web page to reload the home page a couple of times. Request & Response should indicate "Cached Yes".

In version 6.0.4, it indicates "Cached No", which is incorrect. This particular site clearly sets response headers that give the page a life of 1800 seconds (expand the Response Headers section). And yet Safari doesn't seem to put it in the cache. That means an unnecessary and slow reload from the internet each time this kind of page is requested.
 
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