The Macrumors Portal has published a preliminary list of iPhone models that will receive support for the new iOS 19 operating system and also revealed expected innovations to update.

Obviously, the update will be available for all devices compatible with iOS 18. Therefore, the owner of the iPhone SE (2020 and 2022), XR, XS, iPhone 11 and newer can be based on support.
It should be noted that iPhone XS and XR models will receive a seventh update – this is a record term to support Apple's history. The update promises thorough changes, including a new design in the Visionosition style using round icons and blurry elements, which will create a unique user experience.
Among the other innovations, Siri Vocal Assistant is updated with AI built, as well as the synchronous translation function in AirPods, RCS supports Android and advanced ability to work with EU devices.
The list of compatible and innovative devices is not official, so the information may not be confirmed.