v4.23.5 v4.23.4

Name: fastmcp
Author: punkpeye

punkpeye/fastmcpOct 20, 2026 → Oct 20, 20260 days between releases

Generating AI comparison

Analyzing what changed between v4.23.5 and v4.23.4. This page updates automatically — usually within a minute.

The Two Releases

v4.23.5

Oct 20, 2026· 1 day ago

This release focuses on stabilizing tool interactions by fixing how annotations and metadata are handled in tool results, as well as ensuring Zod 3 schemas remain intact in edge environments.

Full release notes

v4.23.4

Oct 20, 2026· 2 days ago

This release focuses on bug fixes in the Edge and OpenAPI modules to ensure data integrity. It addresses specific issues regarding tool result fields and server variable defaults to improve the reliability of tool execution and API generation.

Full release notes