At the moment it is possible to change the item group to a released product. This ususally causes issue on reconciliation because the general ledger is not parallely updated.
Therefore It would be helpfull to implent an automatich feature which updates the general ledger in accordance with the newly item group assigned to the released product. Such feature could create settlement transactions in order to reverse the old account and post the new account, this could work only for the on hand quantity (physical and fianancial).