- Safari may hang when playing certain Netflix content.
- iPhoto 9.5.1 and Aperture 3.5.1 are required on OS X Yosemite. Update to these versions from the Mac App Store.
- When entering edit mode in iPhoto, a black screen may be displayed instead of the selected photo.
- Photo Stream and iCloud Photo Sharing may not function properly when both iPhoto and Aperture are installed.
- The shared purchase history page on the Mac App Store is disabled for Family Sharing accounts.
- iCloud Drive may appear empty in the Finder after first time setup. Restart to resolve this problem.
- AirDrop may not show nearby Macs.
- Sending files to another Mac using AirDrop may not work.
Please note: Early reports suggest some beta members are receiving errors when attempting to verify the code sent by Apple. These folks are receiving the message "This code has been already redeemed." AppAdvice is trying to find out more about this issue.
See also: Apple unveils a beautiful new iTunes 12 design for OS X Yosemite, Apple's OS X Yosemite Is Already More Popular Than OS X Mavericks, and Should you upgrade to Apple's iOS 8 beta 4 or OS X Yosemite developer preview 4?