If you change to the Profile Adobe Monochrome, the auto B/W mix is not being activated, which is the expected behaviour. But if you start moving any sliders to edit the image (i.e. Highlights), the auto B/W mix is getting activated automatically and the image changes drastically. Even if you set the colors in the auto B/W mix back to zero it keeps activating the auto setting on and on, which is annoying. There is no option to deactivate this behaviour.
Thank you very much.
Version: Lightroom for iPad 9.5.1