macOS Mojave beta 4 Release Notes

macOS Mojave beta 4 is pre-release software. Do not use this pre-release software in a commercial operating environment or with important data. You should back up all of your data before installing this software and regularly back up data while using the software.

Back up your Mac.
Always back up your data and files before installing beta versions of macOS. If you have multiple Mac computers, we strongly recommend installing on a secondary system. Backing up files on a Mac is easy with Time Machine, the built-in backup utility.

Notes and Known Issues

General
New Issues

• On iMac Pro, Software Updates and macOS installation might be prevented if more than one volume has the same name.

New Issues

• Dashboard might unexpectedly quit if the Calendar widget is enabled.
• Using the Markup Toolbar or the Colors window might cause an application to unexpectedly quit.
• On MacBook Pro with Touch Bar (2018) models, adjusting screen brightness settings might not take effect.

Resolved Issues

• On iMac Pro, Software Updates and macOS installation might be prevented if more than one volume has the same name.
  Workaround: Ensure each volume has a unique name.

Known Issues

• Dashboard widget backdrops might display visual artifacts.
• iMac Pro might be unable to boot from certain types of external media.
• When beginning installation of macOS Mojave beta on iMac Pro, your Mac might shut down instead of rebooting.
  Workaround: Press the power button once to continue installation.

32-bit Deprecation
New Features

• 32-bit processes will now trigger an alert on launch.
• Users can review 32-bit processes using the System Information application. The Software > Legacy Software report provides an overview of impacted software.

Deprecations

• Administrators are encouraged to review root-owned daemons and processes on behalf of non-administrator users, as these users may lack permissions required to resolve previously-installed 32-bit dependencies.

Apple File System (APFS)
Known Issues

• After enabling or disabling FileVault, the volume will become invisible to pre-macOS Mojave systems until the encryption or decryption process completes.

Disk Utility
Known Issues

• Important: Do not use Disk Utility while booted from Internet Recovery to erase an APFS Fusion container.
  Workaround: Use Disk Utility while booted into macOS 10.13.6 or newer.

Ethernet
New Issues

• Kernel debugging is currently unavailable via Ethernet.
• Audio Video Bridging (AVB) is currently unavailable via Ethernet.

FaceTime and Messages
Known Issues

• Mac Pro mid 2010 and mid 2012 models might be unable to login to FaceTime and iMessage.
• Group FaceTime calls can’t be initiated between macOS Mojave 10.14 beta 2 and the first iOS 12 beta release.
  Workaround: These users should update to iOS 12 beta 2.

Grab
Deprecations

• Grab has been superseded by the new Screenshots feature in macOS Mojave. An app launcher for Screenshots will be available in an upcoming beta.

HomeKit
Known Issues

• Inviting iOS 11 users who have multiple email addresses associated with their Apple ID to a home might not succeed.
  Workaround: Send the invitation to a different email address or phone number associated with the Apple ID of the iOS 11 user.

Localization
New Features

• British English, Australian English, Canadian French, and Hong Kong Chinese (Traditional) localization has been added to macOS Mojave.

Known Issues

• Certain languages might exhibit clipped or misaligned layout.
• Certain languages might display unlocalized text

Mail
Deprecations

• The Stationery feature has been removed.

Maps
New Issues

• While in Dark Mode, navigation arrows aren’t displayed when printing a route.

Resolved Issues

• You might be unable to rename a saved Favorite location.
• After clicking ETA labels for alternate routes, an empty callout might appear.
• After generating a navigation route, the close window button might not work.
  Workaround: Quit Maps and relaunch it.

Photos
New Issues

• Clearing the Search field by clicking the ‘x’ button might cause Photos to unexpectedly quit.

Printing
New Issues

• Aperture and iPhoto might unexpectedly quit while attempting to print.

Privacy
New Features

• 3rd Party Apps cannot access protected storage unless they are added to the Application Data category located in the Privacy tab of Security & Privacy System Preferences.

Resolved Issues

• Although users may grant 3rd Party Apps permission to access protected storage, currently there is no method for granting permission to helper services or background daemons of these apps.

Safari and WebKit
New Issues

• A tab might appear blank if it was automatically opened by clicking a link in a different tab.

Deprecations

• Legacy NPAPI browser plug-ins are no longer supported in Safari, with the exception of Adobe Flash. These plug-ins will not be loaded and cannot be reenabled.

Screen Recording
New Issues

• Aperture and iPhoto might unexpectedly quit while attempting to print.

Social Network Integrations
Deprecations

• Using QuickTime Player X or other screen recording tools will no longer cause the recording process to unexpectedly quit.