diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 06618a8f2f1..ba254db4e05 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -1,5 +1,15 @@
 RELEASE NOTES
 
+Version 4.8.4
+=============
+
+- Notes
+  - fixes bugs
+  - a substantial update to how the seq theory solver handles regular
+    expressions. Other performance improvements to the seq solver.
+  - Managed .NET DLLs include dotnet standard 1.4 on supported platforms.
+  - Windows Managed DLLs are strong signed in the released binaries.
+
 Version 4.8.3
 =============
 - New features