Points raised on Beta .
The big disappointment for me is sticking with 3.6, meaning 3.7 (or probably 3.8) won't roll out until next year. Lots of cool/new stuff in the latest incarnations.
Updating user environments on upgrade of Pro...? It's going to have potential for lots of issues - package versions, 3rd party channels. I treat conda envs as disposable, to be spun up and disposed of as required. It's a lot easier to build a fresh env than fix or update one.
What would really be useful is an updated conda.
I agree, Luke, maintaining/updating user environments between Pro releases will end up creating more problems than it solves. I am also concerned one outcome might be Esri slowing down their adoption of new Python releases, which is already slow. I would much rather have the latest conda and Python versions and rebuild a user environment myself because as you mention, they are disposable and easily rebuilt.