It's pretty rare these days to be on a version this old, but if you're still running Ruby 3.1 in production: it's worth upgrading to 3.2+ purely to get YJIT.
@nateberkopec You mean 3.3+ since 3.2 is EOL in a couple weeks 😉
@presidentbeef if you're already on 3.1, then anything is a win
@nateberkopec @presidentbeef win 3.1, to be exact