Mastodon displays properly Markdown posts from other instances, but doesn’t allow creating posts with it. I’m trying to fix this. I know there is glitch-soc, but I don’t want to switch to a fork for a single feature. So is there a patch for mainstream Mastodon that adds this functionality?


Mastodon does in fact not render markdown from other instances. They get converted to HTML by the sender instance.
Oh that’s an important detail, thanks!