v4.22.0

Name: NovaSR
Author: ysharma3501

ysharma3501/NovaSRv4.22.0Sep 26, 2026by github-actions[bot]

Upgrading?

What changed from v0.8.8 → v4.22.0?What's new in v0.8.9 after v4.22.0?

AI Summary

This release focuses on bug fixes for authentication, OpenAPI specifications, and logging, while adding the ability to forward specific authorization configuration options through providers.

Key Highlights

Auth fixes: Advertises 'none' as a token endpoint auth method and names the MCP endpoint
OpenAPI fix: Honors 'explode' for form-style query arrays
Logging fix: Honors the logging level set by the client
New: Forwarding enableCimd, allowPlainPkce, and authorizationResponseIss
Fixes session negotiation and tool.listChanged declaration

New Features

Forwarding enableCimd, allowPlainPkce, and authorizationResponseIss through providers

Full Release Notes

# [4.22.0](https://github.com/punkpeye/fastmcp/compare/v4.21.2...v4.22.0) (2026-09-26)


### Bug Fixes

* **auth:** advertise `none` as a token endpoint auth method ([#395](https://github.com/punkpeye/fastmcp/issues/395)) ([da8daa8](https://github.com/punkpeye/fastmcp/commit/da8daa81a17026e8e9b72da5fa26da784195b92a))
* **auth:** name the MCP endpoint as the protected resource ([#394](https://github.com/punkpeye/fastmcp/issues/394)) ([e858799](https://github.com/punkpeye/fastmcp/commit/e858799b63fde9657f0a5bbf4472559325cec9bb))
* declare tools.listChanged, which the server already notifies ([#399](https://github.com/punkpeye/fastmcp/issues/399)) ([b4bb8dc](https://github.com/punkpeye/fastmcp/commit/b4bb8dcef905c2d7b09d3283008d6b8853e38d20))
* do not throw out of addTool when a session negotiated no such capability ([#401](https://github.com/punkpeye/fastmcp/issues/401)) ([aca1b86](https://github.com/punkpeye/fastmcp/commit/aca1b86dd1c17accd85accb99c783a1a3d537fd8))
* honour the logging level the client sets ([#400](https://github.com/punkpeye/fastmcp/issues/400)) ([915cc60](https://github.com/punkpeye/fastmcp/commit/915cc605988e1179ce2568d82443a3af77825f39))
* **openapi:** honor explode for form-style query arrays ([#398](https://github.com/punkpeye/fastmcp/issues/398)) ([bb8c2e7](https://github.com/punkpeye/fastmcp/commit/bb8c2e740bd8bab63148f7d5da5e639d5a80d09b))


### Features

* **auth:** forward `enableCimd`, `allowPlainPkce` and `authorizationResponseIss` through providers ([#396](https://github.com/punkpeye/fastmcp/issues/396)) ([882163a](https://github.com/punkpeye/fastmcp/commit/882163aa41564a722ac8afaf476ab3cb5c7d6381))

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