From 78b3aa5fc4cc7e21b6608ab403e5826f9a9358dd Mon Sep 17 00:00:00 2001
From: Manuel Schlund <manuel.schlund@dlr.de>
Date: Mon, 19 Jun 2023 14:22:24 +0200
Subject: [PATCH] Added What's new entry

---
 docs/src/whatsnew/3.6.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/src/whatsnew/3.6.rst b/docs/src/whatsnew/3.6.rst
index 136d47e15d0..e37034e09d4 100644
--- a/docs/src/whatsnew/3.6.rst
+++ b/docs/src/whatsnew/3.6.rst
@@ -81,6 +81,10 @@ This document explains the changes made to Iris for this release
       properly updated.
       (:issue:`5339`, :pull:`5340`)
 
+   #. `@schlunma`_ fixed a bug which realized all weights during weighted
+      aggregation. Now weighted aggregation is fully lazy again.
+      (:issue:`5338`, :pull:`5341`)
+
    🚀 **Performance Enhancements**
 
    #. `@sloosvel`_ improved :meth:`~iris.cube.CubeList.concatenate_cube` and