They should have honored their promise and listing on previous conditions as this is common practice everywhere. Any change in policies applies to new contracts but that isn't the only exchange. It is appreciable that Voise team has discussed the issue with supporters openly. This will help a lot to understand the reasons behind the delays in exchanges.
at least the Voise team has been responsible for giving reason to the supporters why the exchange is experiencing this delay as a form of their concern in order to avoid misunderstanding.