iOS 26.4.2 has been released by Apple for iPhone, along with ipadOS 26.4.2 for iPad. Both updates include important security fixes, as well as unspecified bug fixes, for the iPhone and iPad. The security patch apparently addresses an issue with data being retained in notifications, which had allowed extraction of deleted Signal messages from notifications retained on device.
Additionally, iOS 18.7.8, and iPadOS 18.7.8, are available for iPhone and iPad devices that are not running the iOS 26 version of system software.
As for the Mac, the most recent version of system software is currently still MacOS Tahoe 26.4.1, so if MacOS Tahoe 26.4.2 is to come out it has not done so yet, nor has the Apple Security Updates page been updated to mention anything there.
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Source osxdaily.com
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