Do we have a plan to support format .rbs file ?!
Yes, but we might not get to it for a while. We have until Santa flies again...
I have made a start on the syntax file.
@jlcrochet put out a plugin that adds syntax and indentation for RBS files: https://github.com/jlcrochet/vim-rbs
Do we have a plan to support format .rbs file ?!