diff --git a/support/Release notes.txt b/support/Release notes.txt
index 669e2643..31b6e592 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -1,3 +1,9 @@
+===============================================================================
+20.35.15
+#627 Make tests build with C++14
+#663 Make unit tests compile for C++20
+#675 Compilation error in optional.h line 405
+
 ===============================================================================
 20.35.14
 Convert the Visual Studio project to VS2022