[KAFKA-3425] Add missing notes to upgrade docs

• Type: Improvement
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 0.10.0.0
• Component/s: consumer
• Assignee: Jason Gustafson
• Reporter: Jason Gustafson
• Reviewer: Gwen Shapira
• Created: 18/Mar/16 23:28
• Updated: 29/Mar/16 21:19
• Resolved: 29/Mar/16 21:19

Description

We're missing a few notes from the upgrade documentation:

• KIP-45 introduced an incompatible API change for the Kafka consumer, which should be called out in the upgrade documentation.
• New consumer now has option to exclude internal topics.
• Old scala producers are deprecated.