From elliot On Fri, Jul 3, 2009 at 2:41 PM, Ken Causey <ken <at> kencausey.com> wrote: I would like to suggest that we develop a formal deprecation policy. It could be as simple as deprecate in one release, remove in the next. I just think we need to be consistent about it and remove no individual methods without following it. How this relates to the idea of repackaging and removing whole categories of classes, I'm not so sure. It would be good to add a date, version and selector Deprecation as in self deprecated: 'use Foo>>mumble' on: '2009/6/3' in: 'Croquet1.0beta' Move the preference check into Deprecation defaultAction. This would allow logging to collect a set of selectors used in a particular run, e.g. deprecations := Deprecation deprecationsWhile: [self runMyTests] as in the attached