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docs: add changelog entry for If component products and versions props #3169

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21 changes: 21 additions & 0 deletions fern/products/docs/pages/changelog/2026-01-17.mdx
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## Products and versions props for If component

The `<If>` component now supports `products` and `versions` props, allowing you to conditionally show content based on where a page is located within the navigation structure.

```jsx Markdown
<If products={["api-reference"]}>
This content only shows in the api-reference product
</If>

<If versions={["v2", "v3"]}>
This content only shows in v2 or v3
</If>

<If products={["docs"]} versions={["v2"]}>
All conditions must match (AND logic)
</If>
```

You can also use the `not` prop to invert the condition, showing content when the current product or version does not match.

Learn more about the [If component](/learn/docs/authentication/rbac#access-control-within-mdx-pages).