Update NEWS.md

Author: dourouc05

NEWS.md

@@ -4,11 +4,15 @@ Release Notes
 Version 0.4.2
 -------------
 
-Add bridges:
+Add bridge:
 * from `SortPermutation` to MILP
 
 Refactor the test sets to avoid using helpers.
 
+Fix bugs in the FlatZinc implementation, like supporting more constraints than
+actually supported in the most basic FlatZinc or providing no way to copy 
+models.
+
 
 Version 0.4.1
 -------------