spodermenpls

Already has been discussed over here: https://github.com/kkapsner/CanvasBlocker/issues/381 Long story short, don't worry about it, it's just a Firefox quirk, CanvasBlocker doesn't actually use Container Tabs.

Generally, the Canvas API protection should be disabled for browser games like the one you mentioned, since it serves no purpose there. Maybe there is something wrong in particular with...

It's unlikely it'll ever become available for Chromium-based browsers, as they don't offer the required capabilities that Firefox does: https://github.com/kkapsner/CanvasBlocker/issues/145