IMPORTANT NOTE: 1.2.0 has a critical bug which causes duplication of natively supported contexts. 1.2.1 release is published to patch this bug. Thanks for the understanding.
This is a companion discussion topic for the original entry at https://snowplowanalytics.com/blog/2019/07/03/snowplow-android-tracker-1.2.0-released-with-global-contexts/