Homebrew: list available package versions

brew search yourpackagetosearchforversions | grep "@"

brew info --json postgresql | jq -r '.[].versioned_formulae[]' 

Note will not show current version and do not work on casks.

brew search node  | grep "@"
node@10
node@14
node@16
node@18

Related

• brew info --json xz
• snap list --all
• brew list --versions
• Package managers: list packages

See also

• brew: update | upgrade | autoupdate | install | uninstall | services | list, cask | cleanup | doctor | test | link | unlink | changelog | tap | info | search | install --cask | analytics off | --prefix | --version | brew --help ]

https://stackoverflow.com/a/59569730