[kafka] branch 3.6 updated: MINOR: add KIP-941 to Kafka Streams upgrade docs (#14577)

[mj...@apache.org]

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mjsax pushed a commit to branch 3.6
in repository https://gitbox.apache.org/repos/asf/kafka.git


The following commit(s) were added to refs/heads/3.6 by this push:
     new 6b72b688949 MINOR: add KIP-941 to Kafka Streams upgrade docs (#14577)
6b72b688949 is described below

commit 6b72b6889493a96c227aa4050316b99bb593a1b4
Author: Matthias J. Sax <ma...@confluent.io>
AuthorDate: Wed Oct 18 17:20:09 2023 -0700

    MINOR: add KIP-941 to Kafka Streams upgrade docs (#14577)
    
    Reviewers: Hao Li <hl...@confluent.io>, Walker Carlson <wc...@confluent.io>, Bill Bejeck <bi...@confluent.io>
---
 docs/streams/upgrade-guide.html | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/streams/upgrade-guide.html b/docs/streams/upgrade-guide.html
index 22dada211d9..6d75d724281 100644
--- a/docs/streams/upgrade-guide.html
+++ b/docs/streams/upgrade-guide.html
@@ -140,6 +140,13 @@
       For more information, including how it can be enabled and further configured, see the <a href="/{{version}}/documentation/streams/developer-guide/config-streams.html#rack-aware-assignment-strategy"><b>Kafka Streams Developer Guide</b></a>.
     </p>
 
+    <p>
+      IQv2 supports a <code>RangeQuery</code> that allows to specify unbounded, bounded, or half-open key-ranges. Users have to use <code>withUpperBound(K)</code>, <code>withLowerBound(K)</code>,
+      or <code>withNoBounds()</code> to specify half-open or unbounded ranges, but cannot use <code>withRange(K lower, K upper)</code> for the same.
+      <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-941%3A+Range+queries+to+accept+null+lower+and+upper+bounds">KIP-941</a> closes this gap by allowing to pass in <code>null</code>
+      as upper and lower bound (with semantics "no bound") to simplify the usage of the <code>RangeQuery</code> class.
+    </p>
+
     <h3><a id="streams_api_changes_350" href="#streams_api_changes_350">Streams API changes in 3.5.0</a></h3>
     <p>      
       A new state store type, versioned key-value stores, was introduced in