What's wrong with this entry?
Binary content from MCP tool results is now saved to disk with proper MIME type detection and file extension mapping, rather than being displayed inline. Supports a comprehensive set of MIME types including Office documents, audio, video, and archives.
Binary content handling (search for "Binary content (", "application/vnd.openxmlformats")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.