We've got a draft of a blog post for 2.18.0 up in https://docs.google.com/document/d/17eSTga1c0ECb0qatvfA3mUXoqeBVol6YuJsjzzQLUho/edit?usp=sharing. Thank you Benjy, Alexey and Andreas for the useful feedback and improvements so far. Let me know what you think and/or what else is good to call out!