[globular-toast]

It's not too bad if you're prepared to set up a rendering pipeline using a static site generator like mkdocs. This will get you much better results than just letting GitHub et al render markdown in whatever style they please.

[manmal]

We're quite happy with mermaid though, not sure what's the issue with it?

[globular-toast]

Well it just can't do as much as many other tools.