Whats new updates for v3.12.3 . (#6668)

Author: trexfeathers

docs/src/whatsnew/3.12.rst

@@ -67,7 +67,6 @@ v3.12.2 (09 May 2025)
    :color: primary
    :icon: alert
    :animate: fade-in
-   :open:
 
    The patches in this release of Iris include:
 
@@ -76,6 +75,23 @@ v3.12.2 (09 May 2025)
       operations for many users.
 
 
+v3.12.3 (22 Aug 2025)
+=====================
+
+.. dropdown:: v3.12.3 Patches
+   :color: primary
+   :icon: alert
+   :animate: fade-in
+   :open:
+
+   The patches in this release of Iris include:
+
+   #. Improved compatibility with NumPy >= v1.25 for array comparisons, in
+      response to deprecations around un-broadcastable arrays. Delivered in a
+      patch release to meet a time-critical need for a specific user.
+      :ref:`See the full entry for more<3_12_3_array_comparison>`.
+
+
 📢 Announcements
 ================
 
@@ -215,6 +231,8 @@ v3.12.2 (09 May 2025)
 #. `@trexfeathers`_ refactored Iris loading and saving to make it compatible
    with Dask version ``2025.4.0`` and above. (:pull:`6451`)
 
+.. _3_12_3_array_comparison:
+
 #. `@trexfeathers`_ and `@ukmo-ccbunney`_ adapted array comparison in response
    to NumPy v1.25 deprecating comparison of un-broadcastable arrays. It is
    hoped that users will see no difference in behaviour, but please get in touch