v4.21.0
maurosoria/dirsearchv4.21.0Sep 25, 2026by github-actions[bot]
Upgrading?
AI Summary
This release adds RFC 9207 support to authorization responses and fixes a bug where record value schemas were not being advertised correctly in tool inputs.
Key Highlights
- Added RFC 9207 `iss` to authorization responses.
- Fixed record value schemas in advertised tool inputs.
New Features
- RFC 9207 `iss` in authorization responses.
- Fixed schema advertisement in tool inputs.
Full Release Notes
# [4.21.0](https://github.com/punkpeye/fastmcp/compare/v4.20.18...v4.21.0) (2026-09-25) ### Bug Fixes * keep record value schemas in advertised tool inputs ([#392](https://github.com/punkpeye/fastmcp/issues/392)) ([38fe313](https://github.com/punkpeye/fastmcp/commit/38fe313d7a67f0aee67d84dbb301b3e2ff26a0b2)) ### Features * **auth:** add RFC 9207 `iss` to authorization responses ([#393](https://github.com/punkpeye/fastmcp/issues/393)) ([45a5791](https://github.com/punkpeye/fastmcp/commit/45a5791165d09f452644fe4fd4d9aaff2f47b7bb))
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