After installing the Big Sir 11.0 update I attempted to install graphviz to use with a tool that will map dependecies in node.js projects. The output looked like this:
❯ brew install graphviz
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 4 taps (hashicorp/tap, homebrew/cask-versions, homebrew/core and homebrew/cask).
==> New Formulae
libbsd