Your iPhone or Mac recently received a 'Rapid Security Response' update, a new type of patch designed to protect your devices from urgent threats. You might not have even noticed it, but this small update fixed a critical vulnerability without requiring a full software upgrade.
Apple recently pushed out an urgent security update, and many users didn't even realize it was happening.
This specific update, labeled iOS 17.5.1 (a) and macOS 14.5 (a), was a 'Rapid Security Response' (RSR) patch.