diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 0fd82253..fff9c354 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -1,10 +1,14 @@
 
+Version 3.3d15
+====
+**Bug Fix**
+* Adjust the latency calculation to accommodate changes in iOS 12 and AirPlay connections from macOS Mojave.
+
 Version 3.3d14
 ====
 **Bug Fix**
 * Fix a problem when calling the program to be run when the volume control is changed. Thanks to [shaven](https://github.com/shaven) for the report.
 
-
 Version 3.3d13
 ====
 Reverted to 3.3d11 -- the modification in 3.3d12 was not needed and has been removed.