Release note from https://www.synology.com/en-global/releaseNote/DS3615xs Version: 6.1.5-15254 (2018-01-31) Important Note The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly. This update will restart your Synology NAS. What's New in DSM 6.1.5 Added support for editing permissions to multiple groups and users to a single folder or file simultaneously in File Station. Added Seagate IronWolf Health Manag