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OS X Yosemite Developer Preview 3 Release Notes

Mac OS X Yosemite

The pre-release version of OS X Yosemite Preview 3 is out for developers to test out and submit your bugs to Apple to improve the operating system. As always, make sure you backup your machine before pushing out this update. Here are some notes and known issues of Yosemite Preview 3:

Family Sharing

Known Issues

  • Shared purchase history page on Mac App Store and iOS App Store are disabled.

  • Items already owned by family members must be re-downloaded from the Purchased page (not Store pages) to get them free of additional charge.

  • Under 13 account creation is disabled in Developer Preview 3.


Known Issue

Some graphical corruption may be visible when using Icon View in Finder.


Known Issues

  • In some situations, Handoff icons may no longer appear in the Dock or application switcher on other devices. Quitting and reopening the app may fix this.

  • Switching to a new tab in Safari may sometimes result in the previously selected tab’s URL being resumed with Handoff.

  • Searches for directions and places of interest in Maps may not be available for handoff on another device.

  • Resuming Mail drafts between Macs will not properly will not remove (or dismiss) the draft from the source Mac.

  • Calendar fails to advertise Handoff when viewing event details.


Known Issue

Turning on iCloud Keychain may not successfully enable the service.

iCloud Drive

  • A server-side data wipe on all CloudKit public and private databases will occur on July 7, 2014..

  • With the release of OS X Yosemite Developer Preview 3, iCloud Drive, iCloud Photo Library, Mail Drop, Safari history, and Call history will stop syncing on earlier seeds.

  • iCloud Drive can be re-enabled from Setup Assistant after upgrade. If you choose to store your documents in iCloud Drive, your Documents & Data will automatically be copied to iCloud Drive. iCloud Drive will not update across earlier seeds or operating systems.

  • Attachments sent through Mail Drop with Yosemite Developer Preview 2 or earlier will expire. Files will need to be resent.


  • iCloud Documents & Data created with OS X Yosemite Developer Preview will not sync with with Documents and Data managed with iOS 7, OS X Mavericks, or earlier operating systems.

  • The UI for managing iCloud Documents & Data does not show the documents and data for iOS 8 Beta and OS X Yosemite Developer Preview. It only shows the documents and data synced with previous operating systems.

  • Changes to iCloud Documents & Data in Pages, Numbers, and Keynote on Macs using OS X Yosemite Developer Preview are only available on other devices using OS X Yosemite Developer Preview or iOS 8.0 beta. Any changes from devices using earlier versions of OS X or iOS will not be available. Changes will also not be visible in Pages, Numbers, and Keynote on iCloud.com.

Known Issues

  • Some account password prompts may request the same login information several times before dismissing.

  • iCloud Drive may not be functional on initial activation if multiple devices are signed in to the same account. Rebooting will fully enable iCloud Drive.

iPhoto and Aperture


Only iPhoto 9.5.1 and Aperture 3.5.1 will run on OS X Yosemite Developer Preview 3. Older versions of iPhoto and Aperture will not launch.

Known Issue

PhotoStream may not be functional in Aperture.

Phone Calls

Known Issues

  • Accepting a phone call on your Mac may not pick up the call some situations.

  • Placing an outgoing phone call from your Mac may sometimes cause FaceTime.app to crash.

  • Macs connected to a network via both ethernet and WiFi may sometimes fail to connect to an iPhone on the same WiFi network.


Known Issues

  • The Preview sidebar may contain empty thumbnails for multi-page PDFs.

  • Recent documents may not be visible in Preview.


Known Issues

  • Typing a partial site name and pressing Return can cause navigation to a search engine result page instead of the expected navigation to a commonly visited website identified as a Top Hit.

  • Date & Size limits set in Safari are not enforced in Developer Preview 3.

  • Safari may stop responding while loading video when playing Netflix content.


Known Issues

  • Some operations in Disk Utility may fail on volumes that have installed OS X Yosemite. Use the diskutil cs command-line tool to make these modifications.

  • Some text may not be localized to the selected system language.

  • Some languages may have clipped or misaligned layout.

  • iMovie and Final Cut Pro X will not work with Developer Preview 3.

  • Enabling FileVault may hang while estimating time remaining if system is running on battery.

  • Scrubbing video in QuickTime Player or Quick Look may lose audio.

  • Local OS X group accounts may be lost after upgrading to Developer Preview 3.

  • Text in the WiFi Menu extra may not be visible in Dark mode.

  • AppleID screen sharing may not work in Developer Preview 3.

  • Canceling an update in the Mac App Store will prevent that update from being installed at a later time. Restart the system to proceed with the update.

  • Some users may see issues with sending/receiving iMessages.

About BjTechNews (1057 Articles)
An IT guy trying to learn everything about technology and sharing it with you all. I'm a blogger and video blogger who highlights daily news in the tech industry, promoting tips and hacks for fellow techies.

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