[kafka] branch 3.1 updated: 3.1.1 release notes (#12001)

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tombentley pushed a commit to branch 3.1
in repository https://gitbox.apache.org/repos/asf/kafka.git


The following commit(s) were added to refs/heads/3.1 by this push:
     new 94025d8939 3.1.1 release notes (#12001)
94025d8939 is described below

commit 94025d8939c7eef2df9961ea8268c310931aafeb
Author: Tom Bentley <to...@users.noreply.github.com>
AuthorDate: Wed Apr 6 11:17:33 2022 +0100

    3.1.1 release notes (#12001)
    
    Reviewers: Mickael Maison <mi...@gmail.com>
---
 docs/upgrade.html | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/upgrade.html b/docs/upgrade.html
index d4dd0fbfc4..6575275d6a 100644
--- a/docs/upgrade.html
+++ b/docs/upgrade.html
@@ -74,6 +74,9 @@
         by default in a future major release.</li>
     <li>Kafka has replaced log4j and slf4j-log4j12 with reload4j and slf4j-reload4j due to security concerns.
         More information can be found at <a href"https://reload4j.qos.ch">reload4j</a>.</li>
+    <li>The example connectors, <code>FileStreamSourceConnector</code> and <code>FileStreamSinkConnector</code>, have been 
+        removed from the default classpath. To use them in Kafka Connect standalone or distributed mode they need to be 
+        explicitly added, for example <code>CLASSPATH=./libs/connect-file-3.1.1.jar ./bin/connect-distributed.sh</code>.</li>
 </ul>
 
 <h5><a id="upgrade_310_notable" href="#upgrade_310_notable">Notable changes in 3.1.0</a></h5>