I don't think it makes any sense to put individual varying problems with
MacOSX in our Changes file. It might make sense mentioning them on the
download page. But I think that we should rather put there a link to the
issue tracker, OpSys-OSX entries with status New, Accepted, Started,
Fixed. On the assumption that "Verified" issues are not relevant if you
installed the latest version.
That way we don't need any manual updates of MacOSX info.