Today in "our novel form of NIH," why does Bluesky use the richtext facets system instead of Markdown?

// slightly simplified
{
  text: "Hello @bob.com",
  facets: [
    {feature: "mention", index: {start: 6, end: 14}}
  ]
}

Also talks about DolDoc, which I'm long interested in.

A proposal for the next generation of portable documents.

Focus on your text and let Typst take care of layout and formatting. Sign up now and speed up your writing process.

Gotta try someday? Maybe layout my future zine with it?

A fresh take on typesetting

Seems to be descending from the Portland markup family.