cursor-effects
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Linux cursor does not match the default image
I'm not sure if this is something that is possible to fix, but on different desktop environments the cursor looks different, and thus the static data string in the ghost and trailing cursors does not match.

I haven't heard of any API or similar that can detect what the user's cursor looks like and duplicate into a datastring that you can use, but I wanted to open this in case anybody out there has and could recommend it.
Macos too
A similar effect can be achieved by forcing the mouse shape in the page through css property cursor
body {
cursor: url(...);
}