We are pleased to announce the 4.14.1 release of PyMongo - MongoDB’s Python Driver. This release is a bug fix release.
Fixed a bug in MongoClient.append_metadata() and AsyncMongoClient.append_metadata() that allowed duplicate DriverInfo.name to be appended to the metadata.
Yes—it’s official! PyMongo version 4.14.1 was released on August 19, 2025. This is a bug‑fix update that specifically addresses a duplication issue in MongoClient.append_metadata() and AsyncMongoClient.append_metadata() regarding duplicate DriverInfo.name entries. (MongoDB, GitHub)
Let me know if you’d like more details or highlights from this release!