Corona Color picker is very slow compared to default color picker, IR, SME

Corona Corona for 3ds Max Issues
1

Changing colors with Corona color picker is pretty much slower than with the default color picker.
Both during IR and in the Material editor.

Check out the screen record.

https://drive.google.com/file/d/1KsynK69lxc9g2NO_OJWj7QT6UHo6mfdf/view?usp=sharing

2

Duplicate: https://forum.corona-renderer.com/ Laggy Corona Colour Picker