diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 3b6eb728..b750bb76 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -8,12 +8,19 @@ Change history
 **Bugfixes and QOL**
 
 * updated to Django 4.2 (objects-api#385)
+* changed caching backend from LocMem to Redis
 
 .. warning::
 
    Two-factor authentication is enabled by default. The ``DISABLE_2FA`` environment variable
    can be used to disable it if needed.
 
+.. warning::
+
+    Because the caching barefer to env config for envvarsckend was changed to Redis,
+    existing deployments must add a Redis container or Redis instance
+    (see ``Installation > Environment configuration reference`` in the documentation on how to configure) the connection with Redis
+
 2.1.2 (2024-02-06)
 ------------------
 
diff --git a/src/objecttypes/conf/base.py b/src/objecttypes/conf/base.py
index 7a016c83..a8683f9d 100644
--- a/src/objecttypes/conf/base.py
+++ b/src/objecttypes/conf/base.py
@@ -38,7 +38,6 @@
 #
 PROJECT_NAME = "Objecttypes"
 SITE_TITLE = "Starting point"
-SHOW_ALERT = True  # FIXME this doesn't seem to be used anywhere?
 
 
 ##############################