iOS 26.4 already being tested by Apple but won’t be here until early 2026

Apple is always working a few releases ahead internally, so it comes as no surprise that web logs are already showing signs of devices running iOS 26.4 visiting websites.

Three smartphone screens displaying a calendar, various app icons, music controls, and a menu with options for tabs and bookmarks on a dark patterned background.

iOS 26.4 spotted in web logs

The iOS 26 release cycle is under heavy scrutiny after Apple failed to deliver a promised more contextual Apple Intelligence and Siri. The iOS 26.4 release seems to be carrying a lot of weight features-wise, so it makes sense for testing to start as early as possible.

According to website visitor logs at MacRumors, there are already devices testing iOS 26.4. Nothing can be gleaned from these logs, of course, other than the operating system existing on a device that visited the website.

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