Anthropic switched to HTML artifacts for planning, code reviews, design...

https://mill-wiki.win/index.php/Is_the_Real_Cost_of_HTML_Artifacts_the_Latency,_Not_the_Tokens%3F

Anthropic switched to HTML artifacts for planning, code reviews, design systems, and reports because they load 5 times faster than Markdown files. This speed boost helps teams stay focused and move quickly without waiting on slow rendering. With over 4