From 0248e418008673f36bfdc2f4e830a4214ddf1bca Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Mon, 25 Mar 2024 10:02:19 +1100
Subject: [PATCH] Added release notes for #7891

---
 docs/releasenotes/10.3.0.rst | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/docs/releasenotes/10.3.0.rst b/docs/releasenotes/10.3.0.rst
index b5dbf16d4cb..29ff6ffb798 100644
--- a/docs/releasenotes/10.3.0.rst
+++ b/docs/releasenotes/10.3.0.rst
@@ -61,10 +61,11 @@ Deprecated                                    Use instead
 API Changes
 ===========
 
-TODO
-^^^^
+Negative kmeans error
+^^^^^^^^^^^^^^^^^^^^^
 
-TODO
+When calling :py:meth:`~PIL.Image.Image.quantize`, a negative ``kmeans`` will now
+raise a :py:exc:`ValueError`, unless a palette is supplied to make the value redundant.
 
 API Additions
 =============