In case you missed it: iOS 18 updates are available again for devices that are also capable of running 26. You have to turn off beta updates to have it offered and scroll past iOS 26.4 to find it.
@fmarini Totally. The very first notificatio I got when unlocking the device after updating was “iOS 26.4 iS aVaiLaBLe. YoU cAn uPdAtE nOw oR sChEdULe iT fOr LaTeR” 🤡