[johnisgood]

Is it not just a circle shaped button?

[LoganDark]

They said it was a circle with a checkmark in it as an "OK" button, which is exactly what it is; they never said it was a radio button.

Here is a screenshot of what actual checkboxes and radio buttons look like on iOS 26 Beta 2: https://imgur.com/a/TwMRW4X