SwiftUI NSSlider Representation and Combine Timer

My preferred slider, is my own Kool-Aid.
it is better, according to ME.
Is this better?, Not really,
I have to do more tests.
(already started to recode
PanoCropViewer, with this.)
Also, test Gif with Conventional Timer
vs
Combine Timer
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Released to Public Domain.

Custom NSSlider for SwiftUI




With Combine Timer




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Timer