# February 2025 - Tailwind v4 · JGuang UI

> First preview of Tailwind v4 and React 19 support.

- Page: https://jiguang132.com/systems/jguang-ui/docs/changelog/2025-02-tailwind-v4
- Based on: shadcn/ui documentation (MIT) @ bc0705384b51252af26dcc65425b216bf5eb063c

We shipped the first preview of Tailwind v4 and React 19. Ready for you to try out. You can start using it today.

What's New:

- The CLI can now initialize projects with Tailwind v4.
- Full support for the new @theme directive and @theme inline option.
- All components are updated for Tailwind v4 and React 19.
- We've removed the forwardRefs and adjusted the types.
- Every primitive now has a data-slot attribute for styling.
- We've fixed and cleaned up the style of the components.
- We're deprecating the toast component in favor of sonner.
- Buttons now use the default cursor.
- We're deprecating the default style. New projects will use new-york.
- HSL colors are now converted to OKLCH.

Read more in the [docs](/systems/jguang-ui/docs/tailwind-v4).

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