Not a huge bug for Chrome users because even disabling an extension won't cause the stylesheet to be unloaded, but it might still be nice to implement it to match Firefox’ behavior.
const registered = await contentScript.register({
css: ['file.css']
});
registered.unregister(); // Will not unload file.css
Not a huge bug for Chrome users because even disabling an extension won't cause the stylesheet to be unloaded, but it might still be nice to implement it to match Firefox’ behavior.