From f286ae16f1a8a93b9b6e506d4a96730703def49e Mon Sep 17 00:00:00 2001
From: Sandy Zhang <sandyzhang@google.com>
Date: Mon, 13 Sep 2021 18:12:36 +0000
Subject: [PATCH] Update release notes.

---
 CHANGES.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGES.txt b/CHANGES.txt
index 29b581c7e1..fd20488e44 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -20,6 +20,7 @@ Unreleased Changes (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
   * Add @deprecated javadoc for set/get/has methods
   * correctly decode \? escape sequence in text protos
   * Avoid depending on Objects.requireNonNull() until we can verify that no users are depending on older Android versions.
+  * disallow null string map values in put and putAll
 
   Kotlin
   * Generated Kotlin code is Explicit API mode compatible