We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

Page Bookmarked

AR# 66246

2015.4.2 Vivado - Vivado 2015.4 Update 2 (2015.4.2) Release Notes


This answer record serves as the Vivado 2015.4 tool update 2 (2015.4.2) Release Notes, and contains links to information about what is included in the update.


The Vivado 2015.4 tool update 2 (2015.4.2) is a cumulative update which provides all of the content available in 2015.4 update 1 and also addresses the following issues:

Vivado 2015.4 Update 2 provides -1HV and -1H production speed file updates for all Virtex UltraScale parts except XCVU440 parts, which do not support the -1H and -1HV speed grades

  • Production support for VU065, VU080, VU095, VU125, VU160, and VU190 in the -1H and -1HV Speed Grades.

For designs leveraging these devices, Xilinx recommends installing this update.

For all other devices, please continue to use the Vivado 2015.4 release.

Downloading and installing the Vivado 2015.4 update (2015.4.2)

  • The update is available at: http://www.xilinx.com/download
  • The download file for this update is approximately 1.2 GB.
  • It must be applied to either an existing 2015.4 (SW Build 1404669) or 2015.4.1 (SW build 1431336) installation, and will bring the Vivado version to 2015.4.2.

Known Issues specific to Vivado 2015.4 update (2015.4.2)

(Xilinx Answer 66743) The report_synchronizer_mtbf Tcl command does not support -1H/-1HV devices

For Vivado 2015.4 Update 1 (2015.4.1) Release Notes see (Xilinx Answer 66245)

For Vivado 2015.4 known issues see: (Xilinx Answer 63538)

For known issues related to a specific IP, please search the support site for "Known Issues" and the IP name.

AR# 66246
Date 03/14/2016
Status Active
Type Release Notes
  • Vivado Design Suite - 2015.4