1.4.1 Update to active_merchant 1.36.0 (no need for custom build anymore) 1.4.0 Update to killbill 1.4.0 1.3.0 Update to latest killbill (1.3.0 version) 1.2.0 Update to killbill 1.2.0 1.1.0 Update to killbill 1.1.2