Uncontrollable "Color Amount + Transparency" behaviour

[IgorS]

Well.......
It is the repost of theme from april, 2018.
There were several upgrades and the issue is still here.
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Strange color behaviour in the end of stroke with pressure control to the "Color amount" and "Transparency" at the same time. Just trying lay brighter color onto the dark one -- and in the moment of taking off stylus tip huge amount of dark color mixing down. If just one of parameters is controlled than all is ok.
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GRAPHS are STANDARD diagonal y=x graphs, in both parameters
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WACOM properties are DEFAULT (also checked both with "windows ink" off and on)
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HARDWARE -- last drivers, reset settings. Moreover DIFFERENT HARDWARE with other tablet (Win10, GTX960, Ryzen 1600, Cintiq; Win8, I3-6100, integrated graphics, Intuos).
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ALL BRUSH PARAMETERS YOU MAY SEE IN:
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1.VIDEO is here https://youtu.be/4wL8P_M_hZM
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2.IMAGE

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3.ATTACHED BRUSH

[support]

I understand now what's happening - to solve it increase stabilizer, or set it to 0, or increase pressure graph for color amount

[IgorS]

I understand now what's happening - to solve it increase stabilizer, or set it to 0, or increase pressure graph for color amount

Changing only stabilizer or pressure don't do anything. Still, if are both stabilizer=0 and pressure graph of color amount at extreme sensitivity (almost all space filled in) then I have less chance to pop up and less strong alien color. But issue is still here.

[support]

and what about stabilizer 30+ value?

[IgorS]

and what about stabilizer 30+ value?

It doesn't help.