diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 9020f5f8..57fbc527 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,7 @@
+### 5.4.9
+- [LodRenderer] Handle exceptions in background threads
+- [GL] Implemented GLSL shader caches for platforms that do not support program binaries (e.g. MacOS)
+
 ### 5.4.8
 - [GL] Fixed locking order of GlobalResourceLock and context locks to avoid potential deadlocks
 - [GL] Added workaround for layered rendering and GLSL < 430