Just to report (I did not have the time to check in 60a) but I got red square of death with komitter. I also got NECTypedModel>>initializeSelectorsFor: aClass |excludedClasses| selectors reset. excludedClasses := (expanded ifTrue: [#()] ifFalse: [Object withAllSuperclasses]). selectors addAll: ((aClass allSelectorsWithout: excludedClasses) collect: [:each | NECSelectorEntry contents: each type: #selector]) DNU on allSelectorsWithout: with such code mostCommonlyUsedSelectors "self mostCommonlyUsedSelectors" | result | result := Bag new. environment cla ^ cursor here do: [ :each | result addAll: each selectors]. ^ result sortedCounts Stef