The 1.10.1 Mongo Kafka Connector release.
This is a patch release providing bug fixes, as such is a recommended upgrade.
Reference documentation
The documentation includes documentation on both the source and sink as well as an installation guide.
Confluent Archive Zip
Also attached to this release is the mongodb-kafka-connect-mongodb-1.10.1.zip confluent archive - see the confluent documentation about installing a connector manually for more information.