NewFeatures.md

@@ -15,6 +15,8 @@ Dynare 4.6-unstable
 
  - New command `model_local_variable` that allows defining LaTeX-expressions for model-local variables  [(#563)](https://github.com/DynareTeam/dynare/issues/563)
 
+ - Always write `M_.state_var`, independently of what commands are issued [(#637)](https://github.com/DynareTeam/dynare/issues/637)
+
 Dynare 4.5
 ----------