diff --git a/documentation/RELEASE_NOTES.html b/documentation/RELEASE_NOTES.html
index bfec6e348..28839e2c9 100644
--- a/documentation/RELEASE_NOTES.html
+++ b/documentation/RELEASE_NOTES.html
@@ -60,6 +60,10 @@ field string is identical to the old one. The default (zero) menu value is
 set to "Always" if you want a record to fire monitors every time the record
 is processed (analagous to setting ADEL/MDEL=-1 for numeric record types).</p>
 
+<p><strong>epicsMessageQueue</strong></p>
+<p>A new facility that provides the capabilities of vxWorks msgQLib.
+See the Application Developer's Guide (libCom OSI) for details.</p>
+
 <p><strong>epicsStdio and errlogPrintf</strong></p>
 <p>A new facility has been added to libCom described by epicsStdio.h.
 It contains the functions epicsSnprintf and epicsVsnprintf.