v2.131.0 v4.22.1
low risk
docling-project/doclingSep 29, 2026 → Sep 30, 20261 day between releases
What's New
Fixed tool discovery, OpenAPI parameter handling, and protocol initialization.
Bug Fixes
- Answer -32602 for unknown tools or resources
- Initialize with the client's protocol version
- Keep GETs with referenced array parameters as tools
Upgrade Notes
No configuration changes required; this is a maintenance release fixing internal server behaviors.
The Two Releases
v2.131.0
Sep 29, 2026· 23 days ago
Adds native Apple Keynote file support and charts parsing, alongside performance optimizations for PDF processing and fixes for table parsing, OCR, and various document formats.
Full release notesv4.22.1
v4.22.1
Sep 30, 2026· 22 days ago
A maintenance release fixing bugs related to tool discovery, OpenAPI parameter handling, and protocol initialization in the fastmcp server.
Full release notes