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
How many people need to tell you to keep classic for you to not release this? The majority of people don't like it so why are you forcing them to use it? If you'd listen to your creators for once you'd see that you're pissing them off.