I had the same problem and I came across this post.
I think we both thought that we did ^ Ctrl-D but we actually did ⌘ Cmd-D, which is different shortcut and splits the terminal window.
I had the same problem and I came across this post.
I think we both thought that we did ^ Ctrl-D but we actually did ⌘ Cmd-D, which is different shortcut and splits the terminal window.