iOS 26.2 leak shows iPhone might let you replace Siri as default assistant [U]

Update, 5:55 p.m. ET: Apple has published a new Developer Blog post detailing the upcoming feature, which will be limited to users in Japan.

iOS 26.2 beta 3 is here, bringing signs of a forthcoming AirDrop upgrade and welcome Measure enhancements. But the code for iOS 26.2 beta 3 reveals a potentially bigger change coming: the ability to replace Siri with a third-party assistant when using iPhone’s side button.

Code in iOS 26.2 beta 2 indicates third-party assistant support for…