I spent way too much time on this not to share the solution. : ) You can find the tl;dr at the bottom.

The problem appeared to be a lag, but since none of my components are top of the line, I wasn't sure where exactly the problem was. Was it the Intuos tablet, or something else? I suspected the software, Krita, and spent some time tinkering with it, configuring caching, and adjusting rendering configuration. That didn't help.

First published on 2018-12-01

Throwback to Dec '18 - such a long time ago! When I produced this flyer.  

And this was done around the same time: