Exactly what one needs to draw large, complicated works...if it didn't break constantly.

It always gets stuck in the one-color setting, the "only unplaced pixels" setting just straight-up doesn't work *and* is a light-mode flashbang, setting the map to dark mode always requires a refresh even though the UI changes instantly.

The extension has to be reinstalled, and pictures have to be reuploaded, after *every* drawing session. That's the only way it'll work, if you have the patience.
I do, anyone else probably won't.