diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 3136cdadcc..3126b32473 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -67,6 +67,9 @@
 * Fix issue where not resetting the position for a new `MediaSource` in calls to
   `ExoPlayer.prepare` causes an `IndexOutOfBoundsException`
   ([#5520](https://github.com/google/ExoPlayer/issues/5520)).
+* Update `DefaultTimeBar` based on duration of media and add parameter to set
+  the minimum update interval to control the smoothness of the updates
+  ([#5040](https://github.com/google/ExoPlayer/issues/5040)).
 
 ### 2.9.6 ###