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Original poster
Apr 12, 2001
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Apple today seeded the first beta of an upcoming macOS Sierra update to developers, just a day after releasing the new operating system to the public.

macOS Sierra Beta 10.12.1 is available for download through the Apple Developer Center and through the Software update mechanism in the Mac App Store.

macossierraroundup-800x463.jpg

It is not clear what improvements the first update to macOS Sierra will bring, but it's likely to include bug fixes and performance improvements for issues that have been encountered between the time between the beta testing period and release.

We'll update this post with any new features that are found in macOS Sierra 10.12.1.

Article Link: Apple Seeds First macOS Sierra 10.12.1 Beta to Developers
 

mcfrazieriv

macrumors 6502a
Jan 30, 2012
973
2,368
Perhaps fixing the bug with 2K monitors forced to terribly low resolutions? Or maybe this was Apple's way of bringing me the SUPER HUGE FONTS from iOS to "macOS".
 
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thestickman

macrumors regular
Nov 21, 2010
216
14
Jacksonville, FL
Hopefully Apple will fix Safari so that a user like myself can again set the exact font size they want. Safari 10.0 is useless to me now because this feature was removed. SMH
 
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mrnoisytiger

macrumors newbie
Jan 23, 2016
17
2
Interestingly, the previous betas (and GM) have been quite stable for me! I haven't really found any major bugs at all, so I wonder what this beta will change!
 

Morris

macrumors regular
Dec 19, 2006
178
87
London, Europe
Interesting, only a day after release, curious to see what this will bring to the table...
They will have been working on 10.12.1 for at least a month, probably much longer, so it is not that surprising. There comes a time when it become too risky to add certain fixes to the 10.12.0 build and you're better off saving them for the first major update.
 

Erdbeertorte

Suspended
May 20, 2015
1,180
500
Seems to be not available yet. I reinstalled the Beta Access Utility but it does not show up in the App Store.

Edit:

Downloading now:

Screen Shot 2016-09-21 at 19.15.55.png
 

keys

macrumors member
Apr 9, 2007
37
41
1.21 GB download on my Late 2013 Retina 15-inch Macbook Pro

It is Build# 16B2327e
 
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now i see it

macrumors 604
Jan 2, 2002
7,526
15,194
10.12.0. The first release had a deadline. It had to get out the door by a certain date. It is not perfect and will require tweaking and fixes over time, hence 10.12.1 is in the works, then 10.12.2 etc etc etc
 

JeffyTheQuik

macrumors 68020
Aug 27, 2014
2,468
2,404
Charleston, SC and Everett, WA
I never install a .0 release, including 10.12.1.0 ...

(bring on the "doncha know Apple's software numbering scheme" clamor...)
(It's sarcasm, folks... there's always a .0 ot there somewhere. Programmers are rational, after all, and don't number their software like pi or e)
[doublepost=1474478488][/doublepost]
10.12.0. The first release had a deadline. It had to get out the door by a certain date. It is not perfect and will require tweaking and fixes over time, hence 10.12.1 is in the works, then 10.12.2 etc etc etc
Yep!
With the SDLC, 10.13 is already being coded, and 10.14 is on the board for what's coming down the pike...
 
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jayducharme

macrumors 601
Jun 22, 2006
4,067
4,291
The thick of it
Siri is non-functional on my 2014 5k iMac. (It can't find the iMac's internal microphone.) So I hope Apple gets that straightened out. After all, it's Sierra's most-touted feature.
 

Goldfrapp

macrumors 603
Jul 31, 2005
5,334
9,166
US&A
Any changes?

Don't feel like installing yet another beta. I wanna enjoy the GM for a little while longer.
 

rwilliams

macrumors 68040
Apr 8, 2009
3,662
793
Raleigh, NC
The "Add To Photos" feature from Safari and the Share menu is still VERY slow, and has been since the last DP prior to the release of the GM. Hopefully this fixes it. As it stands, I have to have Photos open for this to work, and it still takes at least 30 seconds for it to be added. It used to work without Photos needing to be open and it was much, much faster.
 

CB1234

macrumors 6502a
Sep 20, 2012
767
342
Dubai, UAE
Interestingly, the previous betas (and GM) have been quite stable for me! I haven't really found any major bugs at all, so I wonder what this beta will change!

This beta is introducing some bugs. There hasn't been enough whining about the new OS breaking this and that.

I must say I am quite enjoying the new OS though. The space saving is a great boon as I only have 250GB SSD. Also enjoying the fact that all my open emails can be in tabs like safari. Much much easier to handle multiple emails.
 

MacsRgr8

macrumors 604
Sep 8, 2002
7,911
1,230
The Netherlands
Wow... that really is fast.

I wonder if it will become a habit to release the first beta's of a new  OS build within a week after releasing the final.
 
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