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Apple has announced the Beta program for OS X 10.12 Sierra which is due for release later this year.

Hardware compatibility

  • MacBook Pro (2010 and later)
  • MacBook Air (2010 and later)
  • Mac Mini (2010 and later)
  • Mac Pro (2010 and later)
  • MacBook (Late 2009 and later)
  • iMac (Late 2009 and later)

Note that some features may not be supported on older hardware, although the list suggests that not just hardware specifications alone are controlling compatibility.

The Apple Sierra page is here .


Software Issues

Office 2011 On one Machine Word required a java update javaforosx to work but Powerpoint, Excel and Lync do not seem to need it.

Endnote  There may be problems with endnote and Word it is not currently recommended to run endnote on OS X 10.12 Sierra yet but Endnote ribbon is available in office 2011. This has been updated to work with Office 2016 now.

I can get Endnote to on the Word 2016 ribbon in OS X 10.12 Sierra after updating Endnote to version X7.7.

Refworks opens in Office 2011, but it does not work in office 2016.

Corrupt fonts  some of the Fonts in OS X 10.12 sierra are corrupted in Font Book  including :

Symbol Regular,  Monotype Sorts Regular, Apple Color Emoji Regular, Apple Braille all, Zapf Dingbats Regular, some Wingdings Regular, some Wingdings 2 Regular, some Wingdings 3 Regular, Webdings Regular, SITX* fonts except STIXGeneral fonts, MT Extra Regular, MS Reference Speciality Regular, Marlett Regular, Hoefler Text Ornaments, some GB18030 Bitmap Regular, Bookshelf Symbol 7 Regular.

This problem is partially fixed in OS X 10.12.2, Some of this list of fonts seem to be no longer available.

The following fonts are still showing up as apparently corrupt in FontBook.

GB18030 Bitmap Regular, HeadLineA Regular, Hoefler Text Regular, Italic, Black, Black Italic, Lao MN Regular,Lao Sangam MN Regular,  Nanum Brush Script Regular, Nanum Myeongjo Regular, Nanum Pen script Regular, PilGi Regular, STIXIntegralUp Regular, SITX* fonts except STIXGeneral fonts and  STIXSizeFiveSym Regular.

Reappearing Dock Icons several users have removed icons from the Dock and had them reappear on the dock. Including Siri, iBooks, Photos. and Maps. No way to stop this has been found yet.

Xcode  Version 8. Needs to install components after upgrade from OS X 10.11. Version 8.1 of Xcode is now available for OS X 10 12.

CAPS Wireless Printing  for OS X, Installed the Yosemite printer driver but had to run the popup package twice before it asked for my username.

Matlab is reported to  not run on OS X 10.12 Sierra if the Locale (Language and Region) is set not to one of a fairly small list, patches are available  for Matlab 2014A to Matlab 2016B but not for earlier versions. You need a Mathworks account to access the patches.

MacPorts and Fink you will need to look to see. MacPorts has an installer for OS X 10.12 Sierra and have instructions for migrating to a new OS. Fink installs on OS X 10.12 Sierra but there is no packaged installer, Xcode version 8 is required for both.