Flask 2.0 Update: What's New?

With Python, we are very fortunate in that most of the web programming problems are sort of kind of solved. I find myself being able to just Google most problems and honestly just find really, really good answers either through Stack Overflow or individual blog posts that folks wrote. And then also certain libraries are just very well documented. So Flask has a 2.0 update coming out, which is going to add a sink or could you just generally speak to some of the changes that are coming in flask or go again because we don't know much about the Flask world.