I REALLY want Sketchpad back. Sure, not many people have used it but that's only because it's not discoverable. You have to right click on the taskbar and click on show Windows Ink Workspace and then you can click on the WIW icon and access it from there.
Whiteboard is NOT a replacement and requires you to log into a Microsoft account.
I cannot even uninstall that update anymore. It broke my workflow and I feel so sad. I'm so tired.