And you can use MacPorts or (presumably) Homebrew to install newer versions of tcsh or pretty much any other shell you might want. I personally never stopped u

And you can use MacPorts or (presumably) Homebrew to install newer versions of tcsh or pretty much any other shell you might want. I personally never stopped using tcsh after the bash switchover since it's what I knew and what my dotfiles were already written in, and I'll most likely just keep using it in Catalina too.