We hope to make improvements to search, so that it is not necessary to include a load of field data into the name in order to make sure the item you are looking for is identifiable/informative.
If this is the primary need, then maybe there are other requests that would benefit you, e.g.
TLDR, I am not trying to deliberately try and dissuade you of the need for markdown in simple text formulas, but rather focussing on what problem we might be solving if we supported it.
Appreciate the engagement
At the moment, there are probably many technical limitations to the simple text field which would make this a very complex feature to implement - it is quite different to the phone, email, url formatting.
For example, we don’t really support markdown rendering anywhere except rich-text fields/documents. It would mean introducing a prosemirror-like functionality for every UI component in the workspace that is currently used to displaying simple text (± hyperlink).
