Packages

@tailwindcss/postcss

4.3.4 · 2 Nov 2026MIT59.4M / weekRepositoryHomepagenpmAtom feed

Your version

4.1.18

11 Dec 2025Where it was published

4.3.4 is the newest release of 4.x.

In short

16 fixed

Release note

Fixed

  • Ensure validation of source(…) happens relative to the file it is in

  • Include filename and line numbers in CSS parse errors

  • Skip comments in Ruby files when checking for class names

  • Skip over arbitrary property utilities with a top-level ! in the value

  • Support environment API in @tailwindcss/vite

  • Preserve case of theme keys from JS configs and plugins

  • Write source maps correctly on the CLI when using --watch

  • Handle special defaults (like ringColor.DEFAULT) in JS configs

  • Improve backwards compatibility for content theme key from JS configs

  • Upgrade: Handle future and experimental config keys

  • Try to canonicalize any arbitrary utility to a bare value

  • Validate candidates similarly to Oxide

  • Canonicalization: Combine text-* and leading-* classes

  • Correctly handle duplicate CLI arguments

  • Don’t emit color-mix fallback rules inside @keyframes

  • CLI: Don't hang when output is /dev/stdout