The 2.2.2 release supports Spark 2.2.x and is a recommended upgrade for Spark 2.2.x users.
See the full change log[2] and the documentation[2] for more details about the connector.
The release binaries are available from Spark Packages[3] or Maven Central[4].
As always, please let us know if you have any problems by opening an issue at https://jira.mongodb.org/browse/SPARK.
The JVM Driver team
[1] https://www.mongodb.com/products/spark-connector
[2] https://github.com/mongodb/mongo-spark/blob/master/doc/7-Changelog.md
[3] https://spark-packages.org/package/mongodb/mongo-spark
[4] http://search.maven.org/#search|ga|1|g:org.mongodb.spark