I’m pleased to announce version 1.9.0 of libbson and libmongoc, the libraries constituting the MongoDB C Driver.


It is my pleasure to announce Libbson-1.9.0.

New features and bugfixes:

  • Fix Autotools syntax for OpenBSD and any platform lacking stdint.h.
  • Fix Android NDK incompatibilities.
  • Fix a one-byte write past the end of a buffer in bson_decimal128_to_string.
  • Avoid reading past the end of a string that contains UTF-8 multibyte NIL.
  • Fix some pedantic warnings in C99 mode.


It is my pleasure to announce mongo-c-driver 1.9.0. This version drops support for MongoDB 2.4 and adds support for MongoDB 3.6 features:

Additional changes not specific to MongoDB 3.6:

  • Support for mongodb+srv URIs to query DNS for SRV and TXT records that configure the connection to MongoDB.
  • Support LibreSSL with CMake build
  • The “minPoolSize” URI option is deprecated: it’s confusing and not useful.

Bug fixes:


Thanks to everyone who contributed to this release.

  • A. Jesse Jiryu Davis
  • Hannes Magnusson
  • Jeremy Mikola
  • Kevin Albertson
  • Jeroen Ooms
  • Iulian Rotaru
  • Derick Rethans
  • Graham Whitted
  • Brian Moss
  • Alex Masterov
  • Michael Kuhn
  • Sriharsha Vardhan
  • Jean-Marc Le Roux
  • Dimitri Gence

A. Jesse Jiryu Davis

Image: the frigate USS Constitution, in Nouveau dictionnaire encyclopédique universel illustré, circa 1885