v4.22.0 v1.16.20

Name: fastmcp
Author: punkpeye

punkpeye/fastmcpSep 26, 2026 → Sep 27, 20260 days between releases

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Analyzing what changed between v4.22.0 and v1.16.20. This page updates automatically — usually within a minute.

The Two Releases

v4.22.0

Sep 26, 2026· 26 days ago

This release enhances authentication handling by forwarding specific configuration options through providers and fixing OpenAPI query array formatting. It also improves logging compliance and MCP endpoint configuration.

Full release notes

v1.16.20

Sep 27, 2026· 25 days ago

Enhances session management debugging by adding unique identifiers to JSON send receipts. It fixes several issues regarding Codex session identity persistence and timeout handling for long conversational turns.

Full release notes