With Siri's next update now expected in May after some delay, it's possible the virtual assistant's bigger AI overhaul won't arrive until 2027. The update for a more radically modernized Siri update is facing setbacks,

Apple has yet to set a firm date for the launch of its Apple Intelligence-enhanced Siri. That’s for a good reason, as new reports from trusted Apple leakers suggest AI-capable Siri won’t be here any time soon. Perhaps a longer delay will be good for Apple—and more importantly—Apple users.

With iOS 18's Siri features pushed back to May, the 'true modernized, conversational version' is unlikely to be ready in time for its planned WWDC launch.