UI speed has always been a feature. At one point in Mac OS X, finder window resizing was very laggy. I think Steve even did a keynote demo of fluid finder wind

UI speed has always been a feature. At one point in Mac OS X, finder window resizing was very laggy. I think Steve even did a keynote demo of fluid finder window resizing during 10.2 release. reference: https://macosx.com/threads/why-is-window-resizing-so-slow-still-in-macos-x-and-so-fast-in-windows-2000.9986/ https://macosx.com/threads/why-is-window-resizing-so-slow-st...