Question
White square halo glitch while using pixel brushes
When I use pixel brushes, I see these weird white square halo artefacts / anomalies. Does anyone know what's causing this? 
Computer: HP Pavillion x360 2-in-one 14" 14m-dw1023dx
Pen: Bamboo Ink
Pen: HP Pen 1MR94AA
(both pens cause this result.)
