Apple generally does not release security updates in between iOS version updates. This practice may be changing, however, as AI hacking drives faster development of tools and quicker identification and exploitation of known vulnerabilities.
Smart Devices Adding Security Updates to Combat Vulnerabilities, but EU Consumers Remain Unimpressed
Research finds that a number of manufacturers are not providing security updates for smart devices for nearly as long as their expected life cycles. In addition, manufacturers often do not specify exactly how long they plan to support security updates.
