diff --git a/changelog.md b/changelog.md
index 11da694d0..1e9b617a1 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,11 @@
+2.18.4 (2026/08/29)
+==============
+
+Documentation
+--------
+* Add 10px rounded corners to animated `main.gif`.
+
+
 2.18.3 (2026/08/29)
 ==============
 
diff --git a/doc/screenshots/main.gif b/doc/screenshots/main.gif
index e0c2b9229..8e6886cb1 100644
Binary files a/doc/screenshots/main.gif and b/doc/screenshots/main.gif differ