MongoDB C Driver 1.19.0 Released

Announcing 1.19.0 of libbson and libmongoc, the libraries constituting the MongoDB C Driver.


No changes since 1.18.0; release to keep pace with libmongoc’s version.


This release adds full support for MongoDB 5.0 servers and MongoDB Atlas Serverless Instances.


  • Add full support to connect to MongoDB Atlas Serverless Instances.
  • Add support for snapshot reads on a session with mongoc_session_opts_set_snapshot.
  • Support the new URI option loadBalanced to connect to a MongoDB cluster behind a TCP load balancer.

Bug fixes:

  • Fix the uploadDate set on newly created GridFS files in the mongoc_gridfs_bucket_t API.


Thanks to everyone who contributed to this release.

  • Kevin Albertson
  • Jeremy Mikola
  • Benjamin Rewis
  • Andreas Braun
  • Colby Pike
  • Ezra Chung
  • Roberto C. Sánchez
  • Jesse Williamson
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