The latest release broke rclone support. I had to roolback to 11.2-U1 to make the cloud sync tasks work again (with no changes to the task configuration).
The error on an SFTP task was:
2019/02/26 23:00:04 INFO : Transferred: 0 / 0 Bytes, -, 0 Bytes/s, ETA - Errors: 0 Checks: 0 / 0, -...