Weird, on my 4k DELL monitor, running at 60 or 30, the mouse is pretty good. Choosing a slower mode does get a little bit laggy, but not horrendous.
Principal Software Engineer at Raspberry Pi (Trading) Ltd.
Contrary to popular belief, humorous signatures are allowed. Here's an example...
"My grief counseller just died, luckily, he was so good, I didn't care."