Durable /Ordered Write Notification: enables writing selected critical cache data to the media, minimizing impact on normal operations.
Device Temperature Monitoring: allows for active monitoring of SATA device temperature and other conditions without impacting normal operation by utilizing the SFF-8609 standard for out of band (OOB) communications.
Device Sleep Signal Timing: provides additional definition to enhance compatibility between manufacturers' implementations.

https://www.nextinpact.com/brief/norme-sata-3-4---ecriture-prioritaire--surveillance-de-la-temperature-et-autres-ameliorations-4618.htm