Markdown looks like one language until the same file renders differently on GitHub, Hugo, Obsidian, or Pandoc. And the problem is not that Markdown is unreliable. It is that "Markdown" describes a family of related syntaxes, parsers, and platform features rather than a single universal document...
Source: [Dev.to](https://dev.to/rosgluk/gfm-vs-commonmark-vs-pandoc-markdown-syntax-compared-2ifn)