diff --git a/docs/change_log.rst b/docs/change_log.rst
index 68465e52..2937fcce 100644
--- a/docs/change_log.rst
+++ b/docs/change_log.rst
@@ -25,6 +25,27 @@ Summary of key features by release number.
 
 .. towncrier release notes start
 
+ncdata 0.4.0 (2026-09-25)
+~~~~~~~~~~~~~~~~~~~~~~~~~
+A release to support Iris >= v3.16 and xarray > v2026.02.
+Now also supporting, and tested against, Python 3.14.
+
+Bug Fixes
+^^^^^^^^^
+
+- Fixes to work with Iris >= v3.16 and xarray > v2026.02. (`ISSUE#255 <https://github.com/SciTools/ncdata/pull/255>`_)
+
+
+Developer and Internal changes
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Moved repo to SciTools organisation. (`ISSUE#192 <https://github.com/SciTools/ncdata/pull/192>`_)
+- Fixed xarray load tests for new behaviour of xarray.Dataset.identical. (`ISSUE#195 <https://github.com/SciTools/ncdata/pull/195>`_)
+- Fix links broken by move to SciTools. (`ISSUE#198 <https://github.com/SciTools/ncdata/pull/198>`_)
+- When a linkcheck fails, return that errorcode from the Linkcheck action. (`ISSUE#202 <https://github.com/SciTools/ncdata/pull/202>`_)
+- Support and test against Python 3.14. (`ISSUE#258 <https://github.com/SciTools/ncdata/pull/258>`_)
+
+
 ncdata 0.3.2 (2025-12-01)
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 A bugfix release, just to allow working with Python 3.10.
diff --git a/docs/changelog_fragments/192.dev.rst b/docs/changelog_fragments/192.dev.rst
deleted file mode 100644
index 11a7801a..00000000
--- a/docs/changelog_fragments/192.dev.rst
+++ /dev/null
@@ -1 +0,0 @@
-Moved repo to SciTools organisation.
diff --git a/docs/changelog_fragments/195.dev.rst b/docs/changelog_fragments/195.dev.rst
deleted file mode 100644
index e8a68a45..00000000
--- a/docs/changelog_fragments/195.dev.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fixed xarray load tests for new behaviour of xarray.Dataset.identical.
diff --git a/docs/changelog_fragments/198.dev.rst b/docs/changelog_fragments/198.dev.rst
deleted file mode 100644
index 5a11a9ad..00000000
--- a/docs/changelog_fragments/198.dev.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fix links broken by move to SciTools.
diff --git a/docs/changelog_fragments/202.dev.rst b/docs/changelog_fragments/202.dev.rst
deleted file mode 100644
index dc252dfa..00000000
--- a/docs/changelog_fragments/202.dev.rst
+++ /dev/null
@@ -1 +0,0 @@
-When a linkcheck fails, return that errorcode from the Linkcheck action.
diff --git a/docs/changelog_fragments/255.bug.rst b/docs/changelog_fragments/255.bug.rst
deleted file mode 100644
index ada45702..00000000
--- a/docs/changelog_fragments/255.bug.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fixes to work with Iris >= v3.16 and xarray > v2026.02.
diff --git a/docs/changelog_fragments/258.dev.rst b/docs/changelog_fragments/258.dev.rst
deleted file mode 100644
index d6ba1cf6..00000000
--- a/docs/changelog_fragments/258.dev.rst
+++ /dev/null
@@ -1 +0,0 @@
-Support and test against Python 3.14.
diff --git a/docs/details/developer_notes.rst b/docs/details/developer_notes.rst
index 68f13469..4f0ea91d 100644
--- a/docs/details/developer_notes.rst
+++ b/docs/details/developer_notes.rst
@@ -73,8 +73,6 @@ Release actions
 
     #. ensure all major changes + PRs are referenced in the :ref:`change_notes` section.
 
-    #. update the "latest version" stated in the :ref:`development_status` section
-
 #. Cut a release on GitHub
 
     * this triggers a new docs version on ReadTheDocs_.