In a few weeks, 1% of creators already using YouTube Studio will no longer see the ‘back to Classic’ button – you’ll be notified 1st & can still access Classic features you need! This won’t apply to everyone else until early next year. More info → https://yt.be/help/a7mG
Can you just start putting all the features from the old one to the new one before deploying???? Like??? Do you even think about what you're doing??? There's not even half of the features available on the new one and you already want to force people, don't...