| ⇢ | A | SubscriberCollection added | 
| ⇢ | B | ExportContactCommand::interact() added | |
| ⇢ | A | SubscriberCollection::getAllEmails() added | |
| ⇢ | A | SubscriberCollection::addContactOmittedFilter() added | |
| ⇢ | A | SubscriberCollection::addEmailFilter() added | |
| ⇢ | A | ExportContactCommand::getCustomerIds() added | |
| ⇢ | A | CustomerCollection::addContactOmittedFilter() added | |
| ⇢ | A | CustomerCollection::addCustomerOmittedFilter() added | |
| ⇢ | A | SubscriberCollection::excludeCustomers() added | |
| ⇢ | A | SubscriberCollection::_initSelect() added | |
| A | ↘ | B | ExportContactCommand::execute() got worse | 
| A | ↛ | ExportContactCommand::getMagentoCustomerIds() removed | |
| A | ↛ | CustomerCollection::addOmittedFilter() removed |