yeah seems to be just a bug on the email signup, annoying but not critical as you can easily check the app. check back towards end of next week, no one in this forum really knows but expectation is a big update coming next week after a few weeks without one, and more in the weeks following.
if you're trying to do estimates for Q4 ES payment you can try entering in forms mode or use a simpler online calculator like this for now
https://www.dinkytown.net/java/1040-tax-calculator.html
