Apple issues Rapid Security Response 16.5.1 (c) and others

 Apple is rolling out Rapid Security Responses for most devices as this is being written.

 16.5.1 (c) for iOS & iPadOS

 macOS 12.6.8 and 13.4.1 (c)

 Appears the goal is Safari 16.5.2

 Rapid Security Response might indicate the severity and purpose.