Season two is literally up to SJP.
One of the ep’s said that they’re just waiting for SJP to say the Word. They also revealed it was the most popular show on hbo max. This is the excerpt
‘“It’s honestly Michael and Sarah Jessica[‘s] decision,” Bloys reveals. “They need to make sure they want to keep going. I believe they will. They came to us with this idea of Big dying as a way to get into a story about women in their 50s. I think they want to make sure they have something they’re equally excited by… They’re talking about story. I believe they’re going to come to us with something they’re excited about.’