The first iOS 26.4 beta is landing in two weeks with the feature I bought my iPhone 16 Pro Max for

The first stages of Siri's AI overhaul should arrive with iOS 26.4, and the first beta of that is reportedly just weeks away.
OS X Daily

Beta 2 of macOS Tahoe 26.4 & iOS 26.4 Released for Testing

Apple is moving fairly quickly through this particular beta cycle, with beta 2 arriving already for iOS 26.4, iPadOS2 26.4, ...

iOS 26.3 and iOS 26.4 Will Add These New Features to Your iPhone

While the iOS 26.3 Release Candidate is now available ahead of a public release, the first iOS 26.4 beta is likely still at ...