AppKit macOS 12.0 Beta 4 to Beta 5 API Differences

NSApplication.h
Added NSAppKitVersionNumber10_15_1
Added NSAppKitVersionNumber10_15_2
Added NSAppKitVersionNumber10_15_3
Added NSAppKitVersionNumber10_15_4
Added NSAppKitVersionNumber10_15_5
Added NSAppKitVersionNumber10_15_6
Added NSAppKitVersionNumber11_0
Added NSAppKitVersionNumber11_1
Added NSAppKitVersionNumber11_2
Added NSAppKitVersionNumber11_3
Added NSAppKitVersionNumber11_4