...

• We will be adding new unit tests mainly in core/src/test/java/kafka/server/share/SharePartitionTest.java to verify batch and offset level renewal as well as mix acknowledgement type handling.
• New integration tests will be added in clients/clients-integration-tests/src/test/java/org/apache/kafka/clients/consumer/ShareConsumerTest.java  to verify mix and renew acknowledgement type handling.

Rejected Alternatives

None