Excel code is likely "horribly complicated" behind the scenes as well.
I looked at the openoffice source code 15 years ago .. and stepped back again. But I think LibreOffice systematically refactored a lot of it. It wouldn't hurt asking for it.
Some things are surprisingly easy to implement. Some things would require a redesign, when you are dealing with very old legacy code..
Just visit bleuit.io/c/somechannel or bleuit.io/c/cats/gifs and if it doesn't exist it will show a form to create it. There should be a welcome modal explaining it