+-- Changed to verify SSL/TLS certificates with root CAs in FTPS connections.\r
+ Please modify "ssl.pem" in PEM format if you want to update root CA list.\r
+\r
+-- Added a feature to send commands for keep alive.\r
+ This is disabled by default.\r
+\r
+-- Reduced chance of stopping transfer when numerous files are transfered.\r
+\r
+-- Added a feature to retry transfering files if failed.\r
+\r