From 5fb0ff8683d3fad9128dae7506f9838f03e089d6 Mon Sep 17 00:00:00 2001
From: Joel Nothman <joel.nothman@gmail.com>
Date: Wed, 24 Jul 2019 09:50:13 +1000
Subject: [PATCH] DOC what's new for #11756

---
 doc/whats_new/v0.21.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/whats_new/v0.21.rst b/doc/whats_new/v0.21.rst
index 8d7a2e44771cb..d2b274ca3d8ed 100644
--- a/doc/whats_new/v0.21.rst
+++ b/doc/whats_new/v0.21.rst
@@ -26,6 +26,12 @@ random sampling procedures.
 Changelog
 ---------
 
+:mod:`sklearn.cluster`
+......................
+
+- |Fix| Fixed a bug in :class:`cluster.KMeans` where computation was single
+  threaded when `n_jobs > 1` or `n_jobs = -1`.
+  :issue:`12949` by :user:`Prabakaran Kumaresshan <nixphix>`.
 
 :mod:`sklearn.inspection`
 .....................