This answer record serves as the Vivado 2019.1 Tool Update 3 (2019.1.3) Release Notes, and contains links to information about what is included in the update.
Vivado Design Suite 2019.1 Update 3 is now available with support for the following:
For customers using these devices, Xilinx recommends installing Vivado 2019.1.3.
For other devices, please continue to use Vivado 2019.1.
Downloading and installing Vivado 2019.1 Update 3 (2019.1.3)
Known Issues specific to Vivado 2019.1 Update 3 (2019.1.3)
There are currently no known issues associated with this release.