Or are you talking about the lack of class pragmas?� This is a point.� But classes already have an executable hook they can use for system modification, their class-side initialize and obsolete methods.� That's been used for a long time to address system modification needs on installing and removing classes.� So form that perspective there's less of a need to class pragmas.� Instead we're focussing on more specialised class definition facilities such as slots, which are intrinsic to classes, i.e. define the class itself, rather than pragmas, which are extrinsic to methods in that they define how methods interact in the system outside themselves.