The MIME type of MessagePack is now registered as `application/vnd.msgpack`. https://github.com/msgpack/msgpack/issues/194#issuecomment-2111445791 This create is still using `application/msgpack`. https://github.com/hyperium/mime/blob/938484de95445a2af931515d2b7252612c575da7/src/constants.rs#L109
The MIME type of MessagePack is now registered as
application/vnd.msgpack.msgpack/msgpack#194 (comment)
This create is still using
application/msgpack.mime/src/constants.rs
Line 109 in 938484d