diff --git a/CHANGELOG/CHANGELOG-1.27.md b/CHANGELOG/CHANGELOG-1.27.md
index c0c8ffdc60b..7c36296cad8 100644
--- a/CHANGELOG/CHANGELOG-1.27.md
+++ b/CHANGELOG/CHANGELOG-1.27.md
@@ -8,6 +8,8 @@
     - [Node Binaries](#node-binaries)
     - [Container Images](#container-images)
   - [Changelog since v1.26.0](#changelog-since-v1260)
+  - [Known Issues](#known-issues)
+    - [The PreEnqueue extension point doesn't work in backoffQ](#the-preEnqueue-extension-point-doesnt-work-for-pods-going-to-activeq-through-backoffq)
   - [Urgent Upgrade Notes](#urgent-upgrade-notes)
     - [(No, really, you MUST read this before you upgrade)](#no-really-you-must-read-this-before-you-upgrade)
   - [Changes by Kind](#changes-by-kind)
@@ -198,6 +200,15 @@ name | architectures
 
 ## Changelog since v1.26.0
 
+## Known Issues
+
+### The PreEnqueue extension point doesn't work for Pods going to activeQ through backoffQ
+
+In v1.26.0, we've found the bug that the PreEnqueue extension point doesn't work for Pods going to activeQ through backoffQ. 
+It doesn't affect any of the vanilla Kubernetes behavior, but, may break custom PreEnqueue plugins.
+
+The cause PR is [reverted](https://github.com/kubernetes/kubernetes/pull/117194) by v1.26.1.
+
 ## Urgent Upgrade Notes 
 
 ### (No, really, you MUST read this before you upgrade)