This is a patch release of the Optimizely SDK for 2.0.0 which is a major release.

### Bug Fixes
* Checking for invalid variables passed into getEnabledFeature, Activate, getVariation and track.

Java-SDK - 2.1.0

Java-SDK - 2.0.1 Release


Data set that refers to a person or a role and contains at least one address via which the person or role can receive messages.