Towncrier's build command is the default command, but it uses a custom --version option that collides with the base cli --version option that simply returns the towncrier version number.

> towncrier --version x.y --draft
towncrier, version 22.12.1.dev0
> towncrier build --version x.y --draft
[renders draft newsfile]

I don't really know if there's an easy out. Maybe just don't use any default command (since there's discussion about not having that as a separate dependency anyway: #506)?