Anthropic switched to HTML artifacts over Markdown to speed up their internal...

https://messiahssplendidjournals.lowescouponn.com/what-are-live-artifacts-and-what-changed-in-april-2026

Anthropic switched to HTML artifacts over Markdown to speed up their internal workflows. HTML cuts review latency five times, making planning, code reviews, and reports faster and smoother. With over 4