v4.22.5 v4.22.6

low risk

punkpeye/fastmcpOct 14, 2026 → Oct 14, 20260 days between releases

What's New

Fixes authentication storage safety and resource template variable matching logic.

Bug Fixes

  • Write DiskStore entries atomically to prevent data corruption
  • Stop resource template variables from matching across path segments

Upgrade Notes

No configuration changes required.

The Two Releases

v4.22.5

v4.22.5

Oct 14, 2026· 8 days ago

Enhances prompt argument validation, OpenAPI path handling, and configuration precedence.

Full release notes
v4.22.6

v4.22.6

Oct 14, 2026· 8 days ago

Fixes authentication storage safety and refines resource template variable matching logic.

Full release notes