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Status
Current state: In DiscussionAccepted
Discussion thread: https://lists.apache.org/thread/895pgb85l08g2l63k99cw5dt2qpjkxb9
JIRA:
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Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).
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These new records will be incompatible with older versions of the broker and controller, and so we will gate their usage by introducing a new metadata.version. If the metadata log is downgraded to a version that does not support metadata transactions, we will simply exclude them from the downgrade snapshot that is produced. Note that lossy downgrades of the metadata log are detailed in KIP-778 and not yet fully implemented as of Kafka 3.3.
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