About macOS 10.14 Mojave

Supported Configurations macOS 10.14 supports:

• MacBook (Early 2015 or newer)
• MacBook Air (Mid 2012 or newer)

• MacBook Pro (Mid 2012 or newer)

• Mac mini (Late 2012 or newer)

• iMac (Late 2012 or newer)

• iMac Pro (2017)

• Mac Pro (Late 2013, plus mid 2010 and mid 2012 models with recommended Metalcapable GPU) *Support for 2010 and 2012 Mac Pro models will be available in an upcoming beta

Notes and Known Issues

General

New Issues

• Location Services and its System Services might be disabled. (40308265, 40622586)
  Workaround: Use the Privacy tab of Security & Privacy System Preferences to enable Location Services and authorize System Services.
• Dashboard widget backdrops might display visual artifacts. (35975567)
• Recently added users might not be displayed at the login screen on Macs with FileVault enabled. (40078644)
• Applications might crash when launched by another process. (40341165)
  Workaround: Launch the application directly from Finder or Dock.
• Migrating from Microsoft Windows requires a new version of Windows Migration Assistant
  which will be available in an upcoming beta. (40428975)
• iMac Pro might be unable to boot from certain types of external media. (40271601)
• iOS devices running versions earlier than iOS 9 might not be recognized by macOS 10.14. (39778681)
• Aperture might crash on launch. (40619059)
• When beginning installation of macOS 10.14 beta on iMac Pro, your Mac might shut down instead of rebooting. (40668149)
  Workaround: Press the power button once to continue installation. Deprecations
• InkAPIsexposedwithinInk.frameworkandassociatedInkeventsexposedwithin Carbon.framework have been deprecated. (29008562)
• Use of Carbon File Manager and other APIs based on the FSRef type might slow system performance when using APFS-formatted volumes. FSRef-based APIs are deprecated and Apple recommends developers switch to URL-based replacements, such as NSFileManager and NSURL file properties.
• Users can review 32-bit processes using the System Information application. The
  Software > Legacy Software report provides an overview of impacted software. New Issues
  • The presentation of certain 32-bit deprecation alerts might be delayed for some time after an application is launched. (40536151)
• Apple File System (APFS)
• The APFS file defragmenter new in macOS 10.14 is currently disabled and will be enabled in an upcoming beta.
• After enabling or disabling FileVault, the volume will become invisible to pre-macOS 10.14 systems until the encryption or decryption process completes.
  CoreML
  New Features
  • Support for quantized models (≤ 8-bit linear and/or lookup table) • Support for flexible image sizes and multi-array shapes
  • Batch prediction API
  • Support for custom models
  • Support for Create ML models (Vision Feature Print, Text Classifier, Word Tagger)
• Models with flexible input sizes might unexpectedly reject an input using the default size
• Date & Time
  • Time Zone settings might require manual adjustment using Date & Time in System Preferences. (39656353)
• Disk Utility
  • Attempting to create new partitions on APFS-formatted Fusion Drives might result in error “Target disk too small for this operation.” (40350950)
• Group FaceTime is unavailable in macOS 10.14 beta.
• Find My Mac might be unable to determine the location of your Mac.
• From Mail Stationery feature has been removed.
• The simulator runtimes for iOS 9.2 and earlier are unavailable in macOS 10.14 beta.
• macOS 10.14 no longer includes built-in integrations with social networking and media sites. Developers may use a sharing extension if this functionality is desired.