Pete Nicholson@gruber Has the corner radius issue in Tahoe been caused by Apple having to build a version of Tahoe that works with a touch screen?
John Gruber@animatorpete No, absolutely not. Think back to the iPhones from 2007 through iPhone 8. It's a visual style, not an aid for touch. Nothing about sharp-corners is contrary to touch. (If you recall, Windows Phone 7 had sharp-cornered rectangles. No problems with touch.)
@gruber The shape, you're right, but where they put the invisible "click target", which makes very little sense using a mouse? Is that to aid someones fat finger trying to tap-and-drag the window corner?
@animatorpete No. There's no reason they'd start adding support for touch to a version of the OS that will never support it. If it's true touchscreens are coming to MacBooks in a year, those features will only be in MacOS 27.