Microsoft's Surface Laptop 3 may come in a 15-inch model
 

To date, you've had to buy a Surface Book 2 if you've wanted a Microsoft-made laptop larger than 13.5-inches. Soon, though, you might not have to spend quite so much to get a large surface. The historically accurate WinFuture claims that Microsoft wi...

https://www.engadget.com/2019/09/14/...15-inch-rumor/