PyMongo 4.14.1 Released

Product & Driver Announcements Driver Releases
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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.
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Here’s a short and simple answer:

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!

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