NewFeatures.md

@@ -12,6 +12,8 @@ Dynare 4.8 (unstable)
 
  - New options `periods` and `drop` to `evaluate_planner_objective` (!1967)
 
+ - Support for new mathematical primitives: complementary error function (`erfc`), hyperbolic functions (`cosh`, `sinh`, `tanh`, `acosh`, `asinh`, `atanh`) (preprocessor#85, preprocessor@c0ea8d72038cd6c57e48aca26d2d29866848ae0a)
+
 Dynare 4.7
 ----------