As always, the update is available via the App Store under the Updates tab. We recommend backing up your computer via Time Machine or other backup software before installing the update.
The full list of changes in OS X Yosemite v10.10.3 update follows:
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
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 unmask 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
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