I hope they fixed the awful folder icons, and the file sharing problem, and Time Machine, and the printing problems...
I love Apple OS but this update is the worst one I can remember, and I’ve been around since the Mac Plus.
I haven't had any of those issues; just the one problem with Time Machine no longer connecting to a network-attached backup HD.
The update includes an improvement in the Dock. Those hard-to-see green "Christmas tree lights" on the Dock shelf representing open apps are now easier to see.