mjsax commented on code in PR #721:
URL: https://github.com/apache/kafka-site/pull/721#discussion_r2331305729
##########
33/streams/developer-guide/dsl-api.html:
##########
@@ -3496,6 +3496,9 @@ <h5><a class="toc-backref" href="#id34">KTable-KTable
Foreign-Key
</tr>
</tbody>
</table>
+
+ <p><b>CAUTION:</b> If you are using "merge repartition topics"
optimization, it is not recommended to use <code>KStream#processValues</code>
to avoid compatibility issues for future upgrades to newer versions of Kafka
Streams.
+ For more details, see the <a
href="/40/documentation/streams/developer-guide/dsl-api.htm#transformers-removal-and-migration-to-processors">migration
guide</a> in the Kafka Streams 4.0 docs.</p>
Review Comment:
This update (same for other version up to, including, `3.8`) are only done
here on `kafka-site.git`, but not in `kafka.git`. But should be ok, as we won't
do any more 3.x bug-fix releases with high probability.
I did put this line into `3.9` though, as it's the last release in `3.9`
series and might get more bug-fix releases, if people are hesitant to migrate
to `4.0`.
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