There are still a few issues with Dark Mode. For example, the gear that you have to click to edit parts of an NPC sheet (in a 5E game) disappears in dark mode. That is to say that you can see it sometimes but it sort of disappears as you move the mouse and try to click it. Some other icons also seem to come and go when dark mode is on but that is the only one that I remember because it was an issue for me recently. Thank you.