From 16bc2827ae93e10474627f3e477b9a94f54141fe Mon Sep 17 00:00:00 2001
From: Jason Gustafson <jason@confluent.io>
Date: Thu, 18 Oct 2018 10:46:53 -0700
Subject: [PATCH] MINOR: Add a note about Zstandard compression in the upgrade
 docs

---
 docs/upgrade.html | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/upgrade.html b/docs/upgrade.html
index e3e20f9bd4331..f879ae3dd5abd 100644
--- a/docs/upgrade.html
+++ b/docs/upgrade.html
@@ -50,6 +50,10 @@ <h5><a id="upgrade_210_notable" href="#upgrade_210_notable">Notable changes in 2
         and insight by viewing the metrics captured from the <code>AdminClient</code>. For more information
         see <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-324%3A+Add+method+to+get+metrics%28%29+in+AdminClient">KIP-324</a>
     </li>
+    <li>Kafka now supports Zstandard compression from <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-110%3A+Add+Codec+for+ZStandard+Compression">KIP-110</a>.
+        You must upgrade the broker as well as clients to make use of it. Consumers prior to 2.1.0 will not be able to read from topics which use
+        Zstandard compression, so you should not enable it for a topic until all downstream consumers are upgraded. See the KIP for more detail.
+    </li>
 </ul>
 
 <h4><a id="upgrade_2_0_0" href="#upgrade_2_0_0">Upgrading from 0.8.x, 0.9.x, 0.10.0.x, 0.10.1.x, 0.10.2.x, 0.11.0.x, 1.0.x, or 1.1.x to 2.0.0</a></h4>