[ovirt-users] hot plug memory in el7

Hi all, I may miss something but according to http://www.ovirt.org/Features/Hot_Plug_Memory, ovirt 3.6 was supposed to support the hot plug memory feature. Nothing happens in reality when increasing memory on a running vm with centos7. I found this : http://lists.ovirt.orgpipermail/kimchi-devel/2015-June/010714.html, and it seems that el7.1 can't support the feature because of its libvirt version (1.2.8) while the required one is 1.2.14. I didn't test, but I guess F22 supports it. Is there any chance that el7.2 would support it with a backported libvirtd? Or will a dedicated libvirt rhev package be released so as the downstream to support it (like qemu-kvm for live snapshot some time ago)? Documentation and limitation of the libvirt version for hot plug memory are difficult to find in the ovirt wiki and more generally on the web. Maybe the feature has been postponed to a 3.6.z release? Thank you for your help