I think anon's onto something, a while ago I sent my Revospring profile link to a friend on discord and the embed image showed my old profile picture, even though I changed mine a while ago. It's not a big deal, but a little strange that it happens.
It's caching and we cannot control what is and is not cached by outside platforms.
Revospring uses Markdown for formatting
*italic text* for italic text
**bold text** for bold text
[link](https://example.com) for link