Anthropic switched to HTML artifacts for internal planning and code reviews...

https://wiki-square.win/index.php/Is_it_true_Anthropic_is_adopting_HTML_as_the_internal_default_for_code_reviews%3F

Anthropic switched to HTML artifacts for internal planning and code reviews because they load 5 times faster than Markdown files. This speed boost means teams can review designs and reports without waiting, keeping everyone in sync. Plus, with 4