Would you make it so that the background in slideshow mode is black instead of a dark green? Or add an option to change bg color?
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It turns out I cannot simply change a value specifically for the slideshow background. It acts as a "go" step that is on repeat. Changing this also changes the colour in other modes.
I would rather avoid adding complexity and risking breaking things at this point, I barely have the willpower to work on this anymore at all as of now.