Yes, the aesthetics are great and quite functional too! They have released the fonts for free as well. I use that my VSCode for markdown:

` "[markdown]": { // use the beautiful duospace font when available "editor.fontFamily": "iA Writer Duospace, -apple-system, BlinkMacSystemFont, 'Segoe WPC', 'Segoe UI', system-ui, 'Ubuntu', 'Droid Sans', sans-serif, monospace", `

I should mention that I use it on mobile and share article links to it if it's something I want for research. Then on desktop I read and take notes on that same page. It turns reading into a more active process of knowledge acquisition/retention/application.