showuon commented on code in PR #14484: URL: https://github.com/apache/kafka/pull/14484#discussion_r1346914921
########## docs/upgrade.html: ########## @@ -145,7 +145,7 @@ <h5><a id="upgrade_350_kraft" href="#upgrade_350_kraft">Upgrading KRaft-based cl </code> </li> <li>Note that the cluster metadata version cannot be downgraded to a pre-production 3.0.x, 3.1.x, or 3.2.x version once it has been upgraded. - However, it is possible to downgrade to production versions such as 3.3-IV0, 3.3-IV1, etc.</li> + However, it is possible to downgrade to a backwards compatible metadata version. The active Controller will block any incompatible downgrade attempt.</li> Review Comment: I'm thinking we can direct users to check the MetadataVersion.java file to see if they are backward compatible. WDYT? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org