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KAFKA-19748: Add a note in docs about memory leak in Kafka Streams 4.1.0 (#20639)
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Added a note regarding the memory leak bug in the documentation.

Reviewers: Matthias J. Sax <matthias@confluent.io>
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Shashank 2025-10-06 11:59:51 -07:00 committed by GitHub
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docs/streams/upgrade-guide.html
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@ -110,6 +110,8 @@
<h3><a id="streams_api_changes_410" href="#streams_api_changes_410">Streams API changes in 4.1.0</a></h3>
<p><b>Note:</b> Kafka Streams 4.1.0 contains a critical memory leak bug (<a href="https://issues.apache.org/jira/browse/KAFKA-19748">KAFKA-19748</a>) that affects users of range scans and certain DSL operators (session windows, sliding windows, stream-stream joins, foreign-key joins). Users running Kafka Streams should consider upgrading directly to 4.1.1 when available.</p>
<h4>Early Access of the Streams Rebalance Protocol</h4>
<p>

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docs/upgrade.html
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@ -193,6 +193,8 @@
<h4><a id="upgrade_4_1_0" href="#upgrade_4_1_0">Upgrading to 4.1.0</a></h4>
<p><b>Note:</b> Kafka Streams 4.1.0 contains a critical memory leak bug (<a href="https://issues.apache.org/jira/browse/KAFKA-19748">KAFKA-19748</a>) that affects users of range scans and certain DSL operators (session windows, sliding windows, stream-stream joins, foreign-key joins). Users running Kafka Streams should consider upgrading directly to 4.1.1 when available.</p>
<h5><a id="upgrade_4_1_0_from" href="#upgrade_4_1_0_from">Upgrading Servers to 4.1.0 from any version 3.3.x through 4.0.x</a></h5>
<h5><a id="upgrade_410_notable" href="#upgrade_410_notable">Notable changes in 4.1.0</a></h5>
<ul>