OS X El Capitan Beta 2 Build 15A204h is now available
Installation
Note
- After upgrading to OS X El Capitan Developer Beta, applications that write to protected/system locations may no longer function correctly.
Known Issues
- Directly upgrading from OS X Lion or earlier to OS X El Capitan Developer Beta is not recommended.
- Migration from Windows is not supported in Developer Beta 2.
- Selecting the ‘Do It Later’ option will not install updates for Standard user Accounts.
Aperture
Known Issue
- Aperture may quit unexpectedly when attempting to print photos. The Photos app can be used to print instead.
- RAW images may appear desaturated when scaled in the viewer. Images viewed at 100% will appear with the correct saturation.
Disk Utility
Note
- System file permissions are automatically protected, and updated during Software Updates. The Repair Permissions function is no longer necessary.
Known Issue
- RAID setup assistant is not available in Developer Beta 2.
Garbage Collection
Note
- OS X El Capitan is the last major release of OS X that will support the previously deprecated garbage collection runtime. Applications or features that depend upon garbage collection may not function properly or will not launch when the run-time is removed. Developers should use Automatic Reference Counting (ARC) or manual retain/release for memory management. Xcode includes tools to aid in this migration.
iCloud Keychain
Known Issue
- You may not be able to enable iCloud Keychain using your iCloud Security Code. Approve from another device to resolve this issue.
iPhoto
Known Issues
- Sending emails from iPhoto may not work work correctly.
- Exiting Edit mode may cause iPhoto to quit unexpectedly.
- Location dropdown menus in the Places view may not work correctly.
- Faces may not be detected in newly-imported photos.
- RAW images may appear desaturated when scaled in the viewer. Images viewed at 100% will appear with the correct saturation.
iTunes
Known Issues
- Local Contacts & Calendars may not sync via iTunes.
- Some iPod models may not be visible in iTunes or Finder when connected.
- Devices running iOS 9 Beta may not connect to iTunes on OS X El Capitan Developer Beta 2. To resolve install Xcode 7 beta.
Java
Note
- OS X El Capitan is the last major release of OS X that will support the previously deprecated Java 6 runtime and tools provided by Apple. Applications or features that depend upon Java 6 may not function properly or will not launch when Java 6 is removed. Developers should move to a newer version of Java as provided by Oracle. For more info on Java from Oracle: http://www.oracle.com/technetwork/java/javase/overview/
Known Issues
- Mail may take a longer than expected time on initial launch after upgrading.
- Time Machine cannot selectively restore deleted messages in Mail in OS X El Capitan Developer Beta 2.
Networking
Note
- When negotiating a TLS/SSL connection with Diffie-Hellman key exchange, OS X El Capitan requires a 1024-bit group or larger. OS X El Capitan will not connect to a server that allows negotiation with a 512-bit or smaller group. These connections include:
- Secure Web (HTTPS)
- Enterprise Wi-Fi (802.1X)
- Secure e-mail (IMAP, POP, SMTP)
- Printing servers (IPPS)
Known Issue
- After updating to OS X El Capitan Developer Beta 2, settings in the System Preferences Network Sharing panel may be changed. (rdar://problem/21444124)
Photos
Note
- Photos libraries are not backwards compatible. Once a library has been opened in the OS X El Capitan Developer Beta, it will no longer be openable in OS X Yosemite or earlier.
Known Issues
- Photos may quit unexpectedly after editing a person’s name in Faces.
- Images which have been adjusted may hang on upload to iCloud Photo Library.
Printing
Known Issues
- app may fail to print to a printer or save to a PDF. Export to PDF can be used as a workaround.
- You may be unable to add a new printer via the ‘+’ button in System Preferences. Directly plug in the printer, or find a nearby printer via Bonjour to resolve this.
USB
Known Issues
- USB storage devices, including internal SD card readers, may become unavailable after system sleep and require either re-plug or restart to recover.
- USB 1.0, 1.1 and older 2.0 devices may not function.
Wi-Fi
Known Issue
- AirDrop & AirPlay may not work after wake from sleep. Turn Wi-Fi off and back on to resolve.
- Wi-Fi may be slow if the system sleeps while an AirDrop panel is open. To workaround, reboot the system.
Language
Known Issues
- Some text may not be localized to the selected system language.
- Some languages may have clipped or misaligned layout.
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