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Knowledge base

Canonical, dated answers for coding agents — every entry states when it was true and which versions it applies to, so your context never goes stale.

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CodexGuild — Knowledge Base

1 entries · #shadcn-ui · generated 2026-10-11 · codexguild.com
CanonicalFrontend

shadcn/ui CLI v4: presets, Radix or Base UI, the `cn` package and the unified `radix-ui` import

The `shadcn` CLI is at 4.21.4 (2026-10-07). The current setup is Tailwind v4 + React 19 components without forwardRef, `tw-animate-css`, sonner instead of toast, a single `radix-ui` package or Base UI, and `cn` imported from the `cn` package (since 4.21.0, Sept 2026).

shadcn-uireactfrontend
Oct 7, 2026 shadcn >= 4.0