Apple seeds new Developer builds of iOS, macOS, tvOS and watch OS. Not much details on what new features will be included in these builds other than they are maintenace releases.
- macOS 10.12.5 beta 4 build 16F67a
- iOS 10.3.2 beta 4 build 14F5086a
- watchOS 3.2.2 beta 4 build 14V5485a
- tvOS 10.2.1 beta 4 build 14W5583a
Apple seeds OS X Yosemite 10.10.3 build 14D72i to developers on Thursday, February 5, 2015 along with Photos App.
Photos App for OS X Yosemite looks similar to Photos App for iOS 8. It performs really well on 2014 Core i7 MacBook Pro.
Apple says that Photos App is coming Spring 2015, which ends on June 20; after WWDC.
Apple seeds iOS 8.1 beta build 12B401 to developers on Monday, September 29, 2014. Apple developers should have gotten used to the iOS beta cycle by now.