Anthropic switched to HTML artifacts from Markdown because it cuts rendering...

https://wiki-legion.win/index.php/What_was_the_PR_test_setup_with_280_modified_lines_and_4_files_touched%3F

Anthropic switched to HTML artifacts from Markdown because it cuts rendering latency by 5x, making internal planning, code reviews, design systems, and reports feel instantly responsive. With over 4