github PrefectHQ/fastmcp v4.0.3
v4.0.3: Once Is Enough

one hour ago

Multi-server clients with legacy-only backends now avoid unnecessary startup retries, and tools returning unconstrained sequences no longer send images twice. This patch also fixes task timing values rejected by strict clients and cleans up unfinished Monty callbacks when execution ends.

What's Changed

Enhancements ✨

Fixes 🐞

Docs 📚

  • docs: point What's New at the changelog for later releases by @zzstoatzz in #4992
  • docs: attribute the back-channel removal to SEP-2322/2575, not SEP-2577 by @zzstoatzz in #4988
  • docs: add v4.0.3 changelog entries by @zzstoatzz in #5007

New Contributors

Full Changelog: v4.0.2...v4.0.3

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