<rdar://problem/17902944> UIView's motionEffects property should never return 'nil'
<rdar://problem/17971360> [factor-init] SKPhysicsJointPin's factory method is not converted to a Swift API initializer
<rdar://problem/18553910> #IUO UICollectionViewUpdateItem properties
<rdar://problem/18875692> NSEntityDescription subentities/subentitiesByName should be marked optional
<rdar://problem/18919879> Swift: NSTableView's preparedCellAtColumn(_:row:) should return an optional
<rdar://problem/18940072> NSPredicate's init(format:) should not be optional
<rdar://problem/18987481> NSURLRequest without NSURL crashes Swift
<rdar://problem/19034448> UIPrintInfo’s -init is banned, should use +printInfo
<rdar://problem/19147412> NSUserInterfaceItemIdentification declares identifier as a non-optional String and it should be optional or IUO
<rdar://problem/19347931> Declaration of a parameter in Cocoa API in Swift is wrong (NSDateFormatter)
+ additions to the WatchKit audit
+ additions to HealthKit and HomeKit.
Swift SVN r24630
Here, we mark the null_resettable properties as explicit "U".
Fixed UIColor and NSColor's initWithCGColor as returning an optional (radar://18420272)
Fixed fontDescriptorWithSymbolicTraits (rdar://problem/18812268)
Contains audit for NSXMLParserDelegate (rdar://problem/18227344)
+ a few other newly audited APIs
Swift SVN r23698
This drop adds 3 new frameworks: Metal, SceneKit, and SpriteKit.
The other frameworks (Foundation, CoreData, ObjectiveC, UIKit) have been refined:
- conflicting items went to unknowns,
- bugs got fixed,
- more auditing has been performed.
Swift SVN r21443
