I took great pains to make sure it does. The one thing that Firefox doesn't support is mounting a local drive so you can develop your app, library, or game more

I took great pains to make sure it does. The one thing that Firefox doesn't support is mounting a local drive so you can develop your app, library, or game more quickly, which needs https://developer.mozilla.org/en-US/docs/Web/API/Window/showDirectoryPicker https://developer.mozilla.org/en-US/docs/Web/API/Window/show...