New TailwindCSS v4 utilities are not working in v4.1, even though the documentation lists them
10:46 18 Feb 2026

I tried the utilities available in the documentation, but in a few cases nothing appeared in the compiled CSS. I don't see the expected result in DevTools, as if they don't exist at all:

And the types of utilities that existed in v3 but are mentioned as new in v4:

I am currently using v4.1. I saw that these weren't included in TailwindCSS v3, but the v4 documentation mentions them. Why aren't they working on v4.1?

tailwind-css tailwind-css-4