The appearance menu's "Modern (beta)" entry sits behind import.meta.env.DEV, so a production build offers no way into the island chrome until it catches up with the ribbon. The chrome itself and a stored 'modern' pref keep working.
The appearance menu's "Modern (beta)" entry sits behind import.meta.env.DEV, so a production build offers no way into the island chrome until it catches up with the ribbon. The chrome itself and a stored 'modern' pref keep working.