Version Found: v7.1
Version Resolved: See (Xilinx Answer 58435)
Since the first production release of the MIG UltraScale RLDRAM3 v7.1 IP available with Vivado 2015.2 there has been a number of enhancements, which are included into the IP starting in the 2016.1 releases and beyond.
For customers currently in production that are unable to upgrade to Vivado 2016.1, Xilinx recommends the provided patch update be installed to take advantage of the IP improvements.
This patch includes all enhancements and logic fixes related to the RLDRAM3 IP since 2015.2 and is recommended to be installed for designs currently in production, or where you are unable to upgrade to Vivado 2016.1.
To install the patch, extract the contents of "AR66035_Vivado_2015_2_preliminary_rev1.zip" to the 2015.2 install directory (for example, C:\Xilinx\Vivado\2015.1\), then open Vivado 2015.2 and generate or regenerate all of the MIG UltraScale RLDRAM3 IP.
04/16/2016 - Initial Release