Updating release notes for 2.27

jonathansenior · jonathansenior · commit 12dd3d2b8b64 · 2016-03-15T09:18:57.000Z
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
@@ -1,5 +1,11 @@
 # OpenGamma Platform
 
+## v2.27
+
+### Enhancements
+
+* Extend SSVI volatility formula implementation to expiry-dependent rho and eta
+
 ## v2.26
 
 ### Enhancements
