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

https://list-wiki.win/index.php/What_Did_Anthropic_Show_at_the_Code_with_Claude_Event_in_San_Francisco%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