As a fastmail user I'm glad there was no announcement. Every time a company starts telling me about some bright future, this usually means my user experience is about to sink.

But there is an announcement, called "The Future of Email", which is a clickbait title that would be much better titled with the last header of the last paragraph: "Email is not going anywhere".

I thought as well - it seemed like it was poised to say something about JMAP:

https://en.wikipedia.org/wiki/JSON_Meta_Application_Protocol

Same; I was preparing for the "exciting new AI" announcement.