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macOS 10.13 High Sierra has been released

Updated October 4, 2017

On Monday, September 25, 2017, macOS 10.13 High Sierra, the newest version of the Macintosh operating system, became available on the Mac App Store. High Sierra is compatible with any Macintosh that can run Sierra (macOS 10.12). As with previous iterations of the Macintosh OS, it is a no-charge upgrade to any compatible Mac. Information Systems & Computing (ISC) believes that most Penn constituents can safely update their systems to High Sierra, providing that the compatibility issues detailed below do not affect them.
ISC and others across the University have tested macOS High Sierra and have found that many commonly used products and software function as expected, including:

  • Adium
  • Chrome .current
  • dataComet-Secure
  • Fetch
  • FileMaker Pro/Advanced 15.x and 16.x
  • Firefox .current
  • Firefox 52esr
  • Microsoft Office 2016

There are a few notable exceptions, as follows:
Symantec Endpoint Protection 12.1.6 will function, but will not install on macOS High Sierra. Until a High Sierra-compatible installer becomes available from Symantec, we recommend installing Symantec Endpoint Protection on systems prior to upgrading. Symantec predicted a High Sierra-compatible installer at the end of September so it should hopefully become available shortly.
The Assignments application at the moment does not function in High Sierra. Until a new version is available, those who need Assignments access should not upgrade. We currently do not have an estimated release date on a new version but hope to have one shortly.
Adobe Illustrator versions CC 2017 and prior are known to have issues with High Sierra and can crash systems with it installed. We do not anticipate Adobe will release a fix for any version of Illustrator until later this month at the earliest, so users with an immediate need for Illustrator should not upgrade to High Sierra.”
Lastly, the Mac Cloudpath wizard on AirPennNet-Help is currently not compatible with High Sierra; we are testing a new version and hope to release it shortly. In the interim, to get connected to AirPennNet, High Sierra computers can use the iOS profile from AirPennNet-Help--use a manual iOS configuration for best results.
As with any operating system change, ISC strongly recommends backing up all important data on the computer before upgrading, and this is especially important to those with SSDs, as those systems will be converting to the new AFPS file system by default.
Lastly, for users that want to get more familiar with macOS High Sierra, we recommend the class “macOS High Sierra Essential Training,” which goes into a deep dive into how to use the OS and everything new in it.