I am using MacOs Sierra 10.12.4 and I have installed yarn by brew install yarn and it\'s version is yarn version v0.23.2
I installed
yarn global list is currently broken, too. See the related issue.
Currently I directly list Yarn global packages folder content:
%LOCALAPPDATA%/Yarn/config/global~/.config/yarn/global/usr/local/share/.config/yarn/globalAs of May 12, 2017 this problem has been resolved. See issue and pull request.
So you can use yarn global list to list all globally installed packages.