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perf(router): keep the location cache client-only and slim Link SSR #8390

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schiller-manuel merged 2 commits into from
Sep 13, 2026
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perf(router): keep the location cache client-only and slim Link SSR #8390

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perf(router): keep the location cache client-only and slim Link SSR
schiller-manuel Sep 12, 2026
ce9f01b
refactor(react-router): one state-prop precedence rule for every Link
schiller-manuel Sep 12, 2026
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8 changes: 8 additions & 0 deletions .changeset/brisk-links-serve.md
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---
'@tanstack/router-core': patch
'@tanstack/react-router': patch
---

Keep the Link location cache out of server bundles: `buildLocation` only creates, reads and writes it when `isServer` is false. Render React Links on the server without the extra prop copies and the forwarded-ref hook. Link SSR rendering is 20-40% faster in the Link benchmarks and the React Start SSR request loop about 7% faster.

React `activeProps` and `inactiveProps` now follow one precedence rule on every link, including links whose destination is blocked for using a disallowed scheme: state props override element props, `ref` and event handlers, while `href`, `disabled` and `target` stay controlled by the router. Previously a blocked link ignored a `ref` or handler from its inactive props.
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