diff --git a/docs/releases/4.2.21.txt b/docs/releases/4.2.21.txt
index 36e24df12f..1064dcf202 100644
--- a/docs/releases/4.2.21.txt
+++ b/docs/releases/4.2.21.txt
@@ -4,7 +4,7 @@ Django 4.2.21 release notes
 
 *Expected May 7, 2025*
 
-Django 4.2.21 fixes a data loss bug in 4.2.20.
+Django 4.2.21 fixes a data loss bug and a regression in 4.2.20.
 
 Bugfixes
 ========
@@ -13,3 +13,8 @@ Bugfixes
   ``allow_overwrite=True``, where leftover content from a previously larger
   file could remain after overwriting with a smaller one due to lack of
   truncation (:ticket:`36298`).
+
+* Fixed a regression in Django 4.2.20, introduced when fixing
+  :cve:`2025-26699`, where the :tfilter:`wordwrap` template filter did not
+  preserve empty lines between paragraphs after wrapping text
+  (:ticket:`36341`).