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docs: update Federation 1 support #6574

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Jan 21, 2025
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4 changes: 2 additions & 2 deletions docs/source/reference/router/federation-version-support.mdx
Original file line number Diff line number Diff line change
Expand Up @@ -415,6 +415,6 @@ The table below shows which version of federation each router release is compile

## Federation 1 support

Federation 2.x composition is backward compatible with Federation 1.x subgraph schemas, so you can use the router with any valid Federation 1.x supergraph.
Apollo Router Core v1.60 and later and v2.0 and later don't support Federation v1.x supergraphs.

If your Federation 1.x supergraph _doesn't_ work with the router, see possible causes in [Backward compatibility in Federation 2](/federation/federation-2/backward-compatibility/).
[Learn how to upgrade from Federation version 1 to 2.](/graphos/reference/migration/to-federation-version-2)
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