Release Notes - C++ Driver - Version 3.4.2

The MongoDB C++ Driver Team is pleased to announce the availability of mongocxx-3.4.2. This release provides bug fixes since r3.4.1.

Please note that this version of mongocxx requires the MongoDB C driver 1.13.0 or higher.

See the MongoDB C++ Driver Manual and the Driver Installation Instructions for more details on downloading, installing, and using this driver.

The mongocxx 3.4.x series does not promise API or ABI stability across patch releases.

Please feel free to post any questions to the MongoDB community forum in the Drivers, ODMs, and Connectors category with the cxx-driver tag. Bug reports should be filed against the CXX project in the MongoDB JIRA. Your feedback on the C++11 driver is greatly appreciated.

The following are user-visible issues that have been resolved in 3.4.2 since the prior release:

Bug

• [CXX-2028] - Explicit write concern is incorrectly applied to collection::find_one_and_* methods.