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Joined 1 year ago
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Cake day: August 11th, 2023

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  • Running: swaymsg for_window "[app_id=mpv] opacity 0.5"

    Works as expected on my end, are you missing just executing for_window?

    Note, you can also add multiple rules in the same execution, e.g.

    for_window {
        [app_id=mpv] opacity 0.85
        [app_id=LibreWolf] opacity 0.85
    }
    

    Also, note that app_id of LibreWolf is capitalized in that manner. You can get that information [app_id, shell etc] by running swaymsg -t get_tree