About the OS X Yosemite v10.10.3 Update

The OS X Yosemite v10.10.3 Update is recommended for all OS X Yosemite users.

About this update

The OS X Yosemite v10.10.3 update includes the new Photos app and improves the stability, compatibility, and security of your Mac.

With Photos you can:

  • Browse your photos by time and location in Moments, Collections, and Years views
  • Navigate your library using convenient Photos, Shared, Albums, and Projects tabs
  • Store all of your photos and videos in iCloud Photo Library in their original format and in full resolution
  • Access your photos and videos stored in iCloud Photo Library from your Mac, iPhone, iPad, or iCloud.com with your web browser
  • Perfect your photos with powerful and easy-to-use editing tools that optimize with a single click or slider, or allow precise adjustments with detailed controls
  • Create professional-quality photo books with simplified bookmaking tools, new Apple-designed themes, and new square book formats
  • Purchase prints in new square and panoramic sizes

It’s easy to upgrade your iPhoto library to Photos - just open the app to get started. To learn more about Photos, visit: https://www.apple.com/osx/photos/

This update also includes the following improvements:

  • Adds over 300 new Emoji characters
  • Adds Spotlight suggestions to Look Up
  • Prevents Safari from saving website favicon URLs used in Private Browsing
  • Improves stability and security in Safari
  • Improves Wi-Fi performance and connectivity in various usage scenarios
  • Improves compatibility with captive Wi-Fi network environments
  • Fixes an issue that might cause Bluetooth devices to disconnect
  • Improves screen sharing reliability

Enterprise content

For enterprise customers, this update includes the following:

  • Addresses an issue that could cause Macs bound to an Active Directory server to become unresponsive at startup
  • Provides the ability to set a umask that's respected by GUI apps
  • Fixes an issue installing a configuration profile for 802.1x with EAP-TLS
  • Resolves an issue where folders from a DFS share point might "disappear" when viewed from the Finder on some Macs

Security Content

For detailed information about the security content of this update, see Apple security updates.

How to update your Mac

  1. You should back up your Mac before installation. To do this you can use Time Machine.
  2. Use the Updates pane of the Mac App Store to check for the latest Apple software updates, including this update.
  3. Other software updates available for your computer might appear, which you should install. Some updates might need to be installed before other updates appear.
  4. Don't interrupt the installation process once you've started to update your system.
  5. You might experience unexpected results if you have third-party system software modifications installed, or if you've modified the operating system through other means.

You can also download the manual installer for this update. This is a useful option when you need to update multiple computers but only want to download the update once. Manual installers are available from Apple Support Downloads.

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