Installation instructions and a list of the Release Notes and Known Issues in System Generator for DSP 2013.1 tools are included in this answer record. A successful installation of Vivado Design Suite 2013.1 changes your design tools version number to 2013.1.
Release Notes and New Features in System Generator for DSP 2013.1
For a list and description of the new features and Release Notes in the 2013.1 tools, see the Vivado Design Suite User Guide - Release Notes, Installation and Licensing (UG973): http://www.xilinx.com/support/documentation/sw_manuals/xilinx2013_1/ug973-vivado-release-notes-install-license.pdf
Please be sure to read the documentation because it answers questions that you might have about changes to the functionality or the look-and-feel from previous versions of System Generator for DSP. The Vivado Design Suite User Guide - Model-Based DSP Design using System Generator is accessible in PDF format at: http://www.xilinx.com/support/documentation/sw_manuals/xilinx2013_1/ug897-vivado-sysgen-user.pdf.
For System Generator for DSP Release Notes for other versions, see (Xilinx Answer 29595).
Which versions of System Generator for DSP and AccelDSP synthesis tool are compatible with which versions of ISE software and MATLAB? See (Xilinx Answer 17966).
(Xilinx Answer 47631) - When the System Generator design is "generated" from the Vivado tool, the System Generator token is in hidden mode; cannot correct errors in System Generator token in hidden mode. Why?
(Xilinx Answer 47634) - What is the list of blocks removed from System Generator?
(Xilinx Answer 55635) - 2013.1 System Generator - xlVersion does not return any values in the Vivado tool
(Xilinx Answer 55637) - 2013.1 System Generator - xlUpdateModel does not work in the 2013.1 tools