RELEASE_NOTES.md in btcruby-1.2.1 vs RELEASE_NOTES.md in btcruby-1.2.2

@@ -1,8 +1,14 @@
 
 BTCRuby Release Notes
 =====================
 
+1.2.2 (November 12, 2015)
+-----------------------
+
+* Added support for inserting scripts during script execution in `BTC::ScriptInterpreter`.
+
+
 1.2.1 (September 8, 2015)
 -----------------------
 
 * Added more arithmetic operators to `BTC::ScriptNumber`.