Brush Lag/Flaw

Hi. 

I´m working on last version of Animate CC 2020, and experience this problem https://www.youtube.com/watch?v=28HQ1Dn2k3A

Have tried all the tips about double click on the commentary section, with no result.

Anyone have any idea how to solve this?

Working on:

Wacom Intuos Pro M

Imac I7 3,4 GHz

High Sierra

32Gb Ram