Norbert Heger identifies why resizing windows in macOS 26 Tahoe is so frustratingly difficult: thanks to the comically large window corner radius, the area to grab is mostly off the edge of the window:

Living on this planet for quite a few decades, I have learned that it rarely works to grab things if you don’t actually touch them.

macOS Tahoe flips this expectation on its head.

The accompanying gif of him grabbing a plate captures the experience perfectly.