Apple is currently testing a Background Security Improvement update, a feature originally introduced in iOS 26.1, iPadOS 26.1, and macOS Tahoe 26.1. Developers and public beta testers running iOS 26.3, iPadOS 26.3, or macOS Tahoe 26.3 can now download and install this specialized update specifically for evaluation and testing.
According to Apple, Background Security Improvements provide additional security protections between software updates for Safari, WebKit, and other system libraries.
Background Security Improvements can be installed by going to the Privacy and Security section of the Settings app, scrolling down, and selecting the “Install” option. If Automatically Install is toggled on, Background Security Improvements will be automatically installed when they come out.
Apple says that users who opt not to install the Background Security Improvements will receive the updates in a standard software update.
MacDailyNews Note: Apple notes, “This Background Security Improvement is for testing purposes only and does not contain any security fixes.”
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