A very helpful Apple support guy has changed something in my account and after login out and in again, I have been able to see the button on the Agreements section. Still no banner at the developer page, but I think that banner button just takes you to the agreements section at appstoreconnect.

I am talking to Apple Support because the banner that should appear at https://developer.apple.com doesn't. I've been an apple developer for many years and always been able to click on the (many) agreement updates that has been.

Me too, has Apple given any answer?