Why RichText facets in Bluesky

It's a good idea to jot down a couple of notes on our decision-making at Bluesky. These notes won't be extensive. Richtext in BlueskyWhen you see a post like this, you're seeing what we call richtext: That's a mention and a link. In the future there will likely be a bold or italics or strikethrough1, but right now we just have mention and link. Why not MarkdownHow should this be encoded? The obvio

[sugyan]

何故BlueskyではMarkdownではなくRichTextという方式にしたか、という記事。記法サポートの問題、パーサ実装の問題、文字数カウントの問題、など