We just released Tailwind CSS v4.0 — an all-new version of the framework optimized for performance and flexibility, with a reimagined configuration and customization experience, and taking full advantage of the latest advancements the web platform has to offer.| tailwindcss.com
The Request interface of the Fetch API represents a resource request.| developer.mozilla.org
Upgrading your Tailwind CSS projects from v3 to v4.| tailwindcss.com