Worst case is a half-day of cleanup once in a year to keep your computer secure and up to date. Most years (like this one!) there's a one-liner for Homebrew up

Worst case is a half-day of cleanup once in a year to keep your computer secure and up to date. Most years (like this one!) there's a one-liner for Homebrew upvoted to the top of HN, and that's it.