Hey folks. This ‘upgrade’ screen is expected and required, because we had to update some of your settings, and you need your password to be able to decrypt some of your settings.
localStorage.clear(), and pressing enter. You can then refresh the page, and you’ll be prompted to restore with your seed phrase.
If you’re on iOS, you can go to Settings > Safari > Advanced > Website Data. Then search for ‘blockstack.org’, and swipe that tile to reveal the ‘Delete’ button. That should clear the state for you.
In the future, maybe we should have a ‘reset browser’ button on this dialogue, because I can see how you’d get stuck here if you forgot your password.