v4.20.15 v4.20.16

Name: fastmcp
Author: punkpeye

punkpeye/fastmcpSep 21, 2026 → Sep 21, 20260 days between releases

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Analyzing what changed between v4.20.15 and v4.20.16. This page updates automatically — usually within a minute.

The Two Releases

v4.20.15

Sep 21, 2026· 1 month ago

This release improves server stability and robustness by fixing crash scenarios related to logging failures and ensuring proper handling of tools calls with missing arguments.

Full release notes

v4.20.16

Sep 21, 2026· 1 month ago

This release focuses on dependency maintenance by upgrading the Swagger parser library to ensure compatibility with newer specifications and improve overall stability.

Full release notes