diff --git a/user_guide_src/source/changelogs/v4.5.0.rst b/user_guide_src/source/changelogs/v4.5.0.rst
index f109180c8009..0b0c22a0432e 100644
--- a/user_guide_src/source/changelogs/v4.5.0.rst
+++ b/user_guide_src/source/changelogs/v4.5.0.rst
@@ -119,6 +119,8 @@ Others
 - **Autoloader:** Autoloading performance when using Composer has been improved.
   Adding the ``App`` namespace in the ``autoload.psr4`` setting in **composer.json**
   may also improve the performance of your app. See :ref:`autoloader-application-namespace`.
+- **CodeIgniter:** Added a pseudo-variable ``{memory_usage}`` to show your memory
+  usage in your view files, which was supported by CodeIgniter 3.
 
 Message Changes
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