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Docs: add v3.4.5 changelog entries to main (#4674)

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* Docs: add v3.4.5 changelog entries

* Condense the 3.4.5 entries to patch-release length
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Jeremiah Lowin 2026-07-27 15:13:03 -04:00 • committed by GitHub
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docs/changelog.mdx
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tag: NEW
---
<Update label="v3.4.5" description="2026-07-27">
**[v3.4.5: Key Change](https://github.com/PrefectHQ/fastmcp/releases/tag/v3.4.5)**
FastMCP 3.4.5 collects five fixes for the 3.x line, led by `JWTVerifier` no longer rejecting every token when an authorization server publishes an unrecognized key type such as Ed25519.
### Fixes 🐞
* Backport #4517 to release/3.x: skip unsupported JWKS keys (#4515) by [@kakiii](https://github.com/kakiii) in [#4631](https://github.com/PrefectHQ/fastmcp/pull/4631)
* Backport #4469 to release/3.x: fix Azure scope fallback by [@jlowin](https://github.com/jlowin) in [#4662](https://github.com/PrefectHQ/fastmcp/pull/4662)
* Backport #4523 to release/3.x: serialize deep object query parameters by [@jlowin](https://github.com/jlowin) in [#4664](https://github.com/PrefectHQ/fastmcp/pull/4664)
* Backport #4564 to release/3.x: make transformed tool required order deterministic by [@jlowin](https://github.com/jlowin) in [#4665](https://github.com/PrefectHQ/fastmcp/pull/4665)
* Backport #4492 to release/3.x: don't mutate the caller's schema in compress_schema by [@jlowin](https://github.com/jlowin) in [#4663](https://github.com/PrefectHQ/fastmcp/pull/4663)
## New Contributors
* @kakiii made their first contribution in [#4631](https://github.com/PrefectHQ/fastmcp/pull/4631)
**Full Changelog**: [v3.4.4...v3.4.5](https://github.com/PrefectHQ/fastmcp/compare/v3.4.4...v3.4.5)
</Update>
<Update label="v3.4.4" description="2026-07-08">
**[v3.4.4: Host in Translation](https://github.com/PrefectHQ/fastmcp/releases/tag/v3.4.4)**

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docs/updates.mdx
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<Update label="FastMCP 3.4.5" description="July 27, 2026" tags={["Releases"]}>
<Card
title="FastMCP v3.4.5: Key Change"
href="https://github.com/PrefectHQ/fastmcp/releases/tag/v3.4.5"
cta="Read the release notes"
>
A maintenance release for the 3.x line. A single unrecognized JWKS key — Ed25519, which Rauthy and Ory Hydra publish by default — no longer poisons the entire key cache, alongside fixes for Azure scope fallback, OpenAPI `deepObject` query serialization, schema compression, and transformed tool `required` ordering.
</Card>
</Update>
<Update label="FastMCP 3.4.4" description="July 8, 2026" tags={["Releases"]}>
<Card
title="FastMCP v3.4.4: Host in Translation"