[jira] [Commented] (KAFKA-20517) Kafka 4.1 upgrade docs missing server upgrade procedure under 4.1.0 heading

["Muralidhar Basani (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-20517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18076261#comment-18076261 ] 

Muralidhar Basani commented on KAFKA-20517:
-------------------------------------------

[~eskytthe]  Indeed.

I tried to come up with a PR. You might want to verify ? https://github.com/apache/kafka/pull/22148

> Kafka 4.1 upgrade docs missing server upgrade procedure under 4.1.0 heading
> ---------------------------------------------------------------------------
>
>                 Key: KAFKA-20517
>                 URL: https://issues.apache.org/jira/browse/KAFKA-20517
>             Project: Kafka
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 4.1.0, 4.1.1, 4.1.2
>            Reporter: Erik Skytthe
>            Priority: Minor
>
> On the Kafka 4.1 upgrade page, the section:
> {{Upgrading Servers to 4.1.0 from any version 3.3.x through 4.0.x}}
> appears only as a heading and contains no actual upgrade steps. The page continues directly with:
> {{Notable changes in 4.1.0}}
> This looks like a documentation omission.
> For comparison, the 4.0.1 section on the same page does include upgrade instructions.
> *Page*
> [https://kafka.apache.org/41/getting-started/upgrade/#upgrading-servers-to-410-from-any-version-33x-through-40x]
>  
> *Rolling upgrade?*
> Is it possible to make a rolling upgrade from ver. 3.9.x to 4.1.2? And if it is, what options do _bin/kafka-features.sh_ then need?
> BR 
> Erik



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