Apple is already testing iOS 19.4, due by April 2026

According to the MacRumors visitor log, a subset of Apple’s software engineers have begun internal development and testing of iOS 19.4 as of last month.
Joe Rossignol for MacRumors:‎iOS 19.4 is expected to be released in March or April next year, so the software update is still nearly a year away. However, Apple develops both “Fall” and “Spring” versions of iOS each year, with our website’s analytics logs indicating that both iOS 19.0 and iOS 19.4 are in