diff --git a/docs/src/conf.py b/docs/src/conf.py
index 97be2776ef..0fa493bde1 100644
--- a/docs/src/conf.py
+++ b/docs/src/conf.py
@@ -291,7 +291,6 @@ def _dotv(version):
 html_theme_options = {
     "footer_start": ["copyright", "sphinx-version"],
     "footer_end": ["custom_footer"],
-    "collapse_navigation": True,
     "navigation_depth": 3,
     "show_prev_next": True,
     "navbar_align": "content",
diff --git a/docs/src/whatsnew/latest.rst b/docs/src/whatsnew/latest.rst
index d7e9a40648..fc755165be 100644
--- a/docs/src/whatsnew/latest.rst
+++ b/docs/src/whatsnew/latest.rst
@@ -142,6 +142,13 @@ This document explains the changes made to Iris for this release
 
 #. `@bouweandela`_ updated all hyperlinks to https. (:pull:`5621`)
 
+#. `@ESadek-MO`_ created an index page for :ref:`further_topics_index`, and
+   relocated all 'Technical Papers' into
+   :ref:`further_topics_index`. (:pull:`5602`)
+
+#. `@trexfeathers`_ made drop-down icons visible to show which pages link to
+   'sub-pages'. (:pull:`5684`)
+
 
 💼 Internal
 ===========