v4.16.4 v4.16.3
punkpeye/fastmcpAug 17, 2026 → Aug 17, 20260 days between releases
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Analyzing what changed between v4.16.4 and v4.16.3. This page updates automatically — usually within a minute.
The Two Releases
v4.16.4
v4.16.4
Aug 17, 2026· 2 months ago
Addresses an edge case where JSON-mode POST requests are left hanging without an answer.
Full release notesv4.16.3
v4.16.3
Aug 17, 2026· 2 months ago
Improves stability by refining routing state handling and optimizing SSE event persistence logic.
Full release notes