Please review the release notes at https://github.com/mongodb/mongo-java-driver/releases/tag/r2.11.3, which is also the main download page (downloads are also available via Maven Central).
Special thanks to the contributors to this release, especially Uladzmir Mihura.
As always, please let us know if you have any problems by opening an issue at https://jira.mongodb.org/browse/JAVA.
Jeff, Trisha, Justin