*New Ceph dashboard
*New cluster dashboard ( cluster 的部分越強大越好)
*Optimized HA GUI
*CPU limitation for containers
*Unprivileged containers ( 其實之前就可以設定, 在 conf 裡面)
*Container restart migration ( 新! 雖然跟 live migration 還是有差異)

http://www.proxmox.com/en/news/listid-1/mailid-123-proxmox-newsletter-december-2016-proxmox-ve-4-4-available?tmpl=component