In the situation where the user moves their cursor over one of the sliders but then continues to use keyboard controls to adjust the original slider, it shows the wrong curve. This is because we were trying to pre-load the data to be helpful. This affects people using a combination of keyboard/mouse controls. If they just use mouse, just use touchscreen, or just use keyboard there is no issue.
In the situation where the user moves their cursor over one of the sliders but then continues to use keyboard controls to adjust the original slider, it shows the wrong curve. This is because we were trying to pre-load the data to be helpful. This affects people using a combination of keyboard/mouse controls. If they just use mouse, just use touchscreen, or just use keyboard there is no issue.