According to upgrade notes there is nothing to do for us.
Because kafka support backward/forward compatibility using Kafka 2.0 client should still work with a Kafka 1.x cluster.
Upgrade Kafka from 1.0.0 to 1.1.0
Support Avro Confluent encoding for stream
Error rendering 'com.pagerduty.jira-server-plugin:PagerDuty'. Please contact your Jira administrators.