Simon Willison’s Weblog

HTML 5 published as W3C First Public Working Draft! A significant step, almost completely overlooked in the hubbub over IE8.

Posted 23rd January 2008 at 2:15 am

Recent articles

Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025
Living dangerously with Claude - 22nd October 2025

html5 83 ie8 25 web-standards 46 whatwg 16

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