Alongside OS X El Capitan Beta 4, the company has also released OS X Server 5.0 beta 4 for OS X Yosemite and OS X El Capitan, as well as Apple Configurator 2.0 beta 4 for OS X El Capitan. However, the fourth build of OS X El Capitan does include some issues such as:
- Devices running iOS 9 Beta may not connect to iTunes on OS X El Capitan Developer Beta 4. To resolve install Xcode 7 beta or iTunes 12.2 or later
- Xcode 6.x has known compatibility issues when run on OS X El Capitan. It is strongly encouraged that you use Xcode 7 when running on OS X El Capitan
- AIM video chat and screen sharing in Messages are not available in this beta
- Faces may not be detected in newly-imported photos
- Email received before installing OS X El Capitan Beta 1 will not work with the Proactive Assistant features
- The share menu may not create new Mail compose windows when used with some apps
- Lifting and Stamping adjustments in Aperture may cause the app to unexpectedly exit
- The Mail app may not be visible after reboot. To work around, quit the app and relaunch
- iCloud Keychain will not sync passwords & credit cards with previous versions of iOS 9 and OS X El Capitan Beta
- Some full screen metal applications may not update reliably. Running the application in a windowed mode may resolve the problem
- Flash Player 18.0.0.203 does not work with Safari’s tab audio feature
