There are a few deprecation warnings here that are missing some documentation - 2156c61 and 655e2f5 - Why are they deprecated, what's wrong with them, and what should we use instead?
In particular, I'm wondering what we'll need to do to upgrade https://github.com/ddfisher/haskell-socket-activation/blob/db6a14da89aa7a5411063303a820d7bde601e665/Network/Socket/Activation.hs#L45