Func _SmallString.computeIsASCII() has been removed
Func _SmallString.withMutableCapacity(_:) has been removed
Struct _StringObject.Discriminator has been removed
Var _SmallString.discriminator has been removed
Var _StringObject.CountAndFlags._storage has declared type change from UInt to UInt64
Var _StringObject.CountAndFlags.countMask has declared type change from UInt to UInt64
Var _StringObject.CountAndFlags.countMask is now static
Var _StringObject.CountAndFlags.flagsMask has declared type change from UInt to UInt64
Var _StringObject.CountAndFlags.flagsMask is now static
Var _StringObject.Nibbles.discriminatorShift has been removed
Var _StringObject.discriminator has been removed
Var _StringObject.objectRawBits has been renamed to Var _StringObject.discriminatedObjectRawBits
Var _StringObject.undiscriminatedObjectRawBits has been removed

Constructor _StringObject.CountAndFlags.init(count:) has been removed
Constructor _StringObject.CountAndFlags.init(count:isASCII:) has been removed
Func _StringObject.Nibbles.largeSharedMortal() has been removed
Var _StringGuts.hasNativeStorage has been removed
Var _StringGuts.isNFC has been removed
Var _StringGuts.isNFCFastUTF8 has been removed
Var _StringObject.hasNativeStorage has been removed
Var _StringObject.isNFC has been removed
Var _StringObject.largeFastIsNative has been removed

Var _StringObject.largeFastIsShared has been removed
Var _StringObject.largeIsCocoa has been removed
Var _StringObject.objCBridgeableObject has been removed

Var _StringObject._countAndFlags is no longer a stored property
Var _StringObject._countAndFlagsBits is added to a non-resilient type

Class _DictionaryStorage has changed its super class from _RawDictionaryStorage to __RawDictionaryStorage
Class _EmptyDictionarySingleton has been renamed to Class __EmptyDictionarySingleton
Class _EmptyDictionarySingleton has changed its super class from _RawDictionaryStorage to __RawDictionaryStorage
Class _EmptySetSingleton has been renamed to Class __EmptySetSingleton
Class _EmptySetSingleton has changed its super class from _RawSetStorage to __RawSetStorage
Class _RawDictionaryStorage has been renamed to Class __RawDictionaryStorage
Class _RawSetStorage has been renamed to Class __RawSetStorage
Class _SetStorage has changed its super class from _RawSetStorage to __RawSetStorage
Constructor Dictionary._Variant.init(cocoa:) has parameter 0 type change from _CocoaDictionary to __CocoaDictionary
Constructor Dictionary.init(_cocoa:) has parameter 0 type change from _CocoaDictionary to __CocoaDictionary
Constructor Set._Variant.init(cocoa:) has parameter 0 type change from _CocoaSet to __CocoaSet
Constructor Set.init(_cocoa:) has parameter 0 type change from _CocoaSet to __CocoaSet
Constructor _CocoaDictionary.init(_:) has return type change from _CocoaDictionary to __CocoaDictionary
Constructor _CocoaSet.init(_:) has return type change from _CocoaSet to __CocoaSet
Constructor _NativeDictionary.init(_:) has parameter 0 type change from _CocoaDictionary to __CocoaDictionary
Constructor _NativeDictionary.init(_:) has parameter 0 type change from _RawDictionaryStorage to __RawDictionaryStorage
Constructor _NativeDictionary.init(_:capacity:) has parameter 0 type change from _CocoaDictionary to __CocoaDictionary
Constructor _NativeSet.init(_:) has parameter 0 type change from _CocoaSet to __CocoaSet
Constructor _NativeSet.init(_:) has parameter 0 type change from _RawSetStorage to __RawSetStorage
Constructor _NativeSet.init(_:capacity:) has parameter 0 type change from _CocoaSet to __CocoaSet
Func Set._Variant._migrateToNative(_:removing:) has parameter 0 type change from _CocoaSet to __CocoaSet
Func _CocoaDictionary.isEqual(to:) has parameter 0 type change from _CocoaDictionary to __CocoaDictionary
Func _CocoaSet.isEqual(to:) has parameter 0 type change from _CocoaSet to __CocoaSet
Func _DictionaryStorage.convert(_:capacity:) has parameter 0 type change from _CocoaDictionary to __CocoaDictionary
Func _DictionaryStorage.copy(original:) has parameter 0 type change from _RawDictionaryStorage to __RawDictionaryStorage
Func _DictionaryStorage.resize(original:capacity:move:) has parameter 0 type change from _RawDictionaryStorage to __RawDictionaryStorage
Func _NativeDictionary.isEqual(to:) has parameter 0 type change from _CocoaDictionary to __CocoaDictionary
Func _NativeSet.isEqual(to:) has parameter 0 type change from _CocoaSet to __CocoaSet
Func _SetStorage.convert(_:capacity:) has parameter 0 type change from _CocoaSet to __CocoaSet
Func _SetStorage.copy(original:) has parameter 0 type change from _RawSetStorage to __RawSetStorage
Func _SetStorage.resize(original:capacity:move:) has parameter 0 type change from _RawSetStorage to __RawSetStorage
Struct _CocoaDictionary has been renamed to Struct __CocoaDictionary
Struct _CocoaSet has been renamed to Struct __CocoaSet
Var Dictionary._Variant.asCocoa has declared type change from _CocoaDictionary to __CocoaDictionary
Var Dictionary._Variant.object has declared type change from _BridgeStorage<_RawDictionaryStorage> to _BridgeStorage<__RawDictionaryStorage>
Var Set._Variant.asCocoa has declared type change from _CocoaSet to __CocoaSet
Var Set._Variant.object has declared type change from _BridgeStorage<_RawSetStorage> to _BridgeStorage<__RawSetStorage>
Var _CocoaDictionary.Index.dictionary has declared type change from _CocoaDictionary to __CocoaDictionary
Var _NativeDictionary._storage has declared type change from _RawDictionaryStorage to __RawDictionaryStorage
Var _NativeSet._storage has declared type change from _RawSetStorage to __RawSetStorage
Var _RawDictionaryStorage.empty has declared type change from _EmptyDictionarySingleton to __EmptyDictionarySingleton
Var _RawSetStorage.empty has declared type change from _EmptySetSingleton to __EmptySetSingleton

Func tryReallocateUniquelyReferenced(buffer:newMinimumCapacity:) has been removed