Apple has seeded a new Rapid Security Response iOS 16.4 (b). As iOS 16.4 update is currently in the beta testing phase, the latest Rapid Security Response is only available to developers and beta testers.
In October 2022, Apple announced the Rapid Security Responses on Apple devices to push security fixes to users more frequently in future iOS, iPadOS, and macOS updates.
New Rapid Security Response 16.4 (b) is available to developers and beta testers
After releasing iOS 16.4 beta 2, Apple introduced the Rapid Security Response 16.4 (a) update, along with macOS Security Response 13.3 (a).
As spotted by Twitter user @ZMelatze, the Rapid Security Response 16.4 (b) is now available to developers and beta testers. Members of the Apple Developer Program can easily download the new update via Settings app > General > Software Update on their iPhones.
Currently, it is unclear if the update includes any security fixes or is another test release like the previous security updates.
In iOS 16, Apple introduced a new feature to disable Rapid Security Responses on iPhone by adding a toggle in the Automatic Updates section of Software Update. It allows users to remove the update if want to via Settings > General > About and tapping on the iOS version, and selecting Remove Security Update.
iOs 16.4 update is expected to launch this month which will bring new Safari web push notifications, emojis, HomeKit Architecture, Focus mode, support for 5G standalone for compatible carriers, Apple Pay to South Korea, Podcasts splash screen, and more.
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