Page History

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• We don't plan to support upgrading clusters using the early access feature. We are still actively developing the feature and we want to keep the flexibility for doing non-backward compatible changes.
• The kafka-consumer-groups.sh command line tool is not able to describe consumer groups using the new protocol.
• Subscribing with regular expressions is not supported.
• The transaction verification (KIP-890) is not supported and must be disabled.  

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