If you are experiencing bugs in the base 2020.2 build (SW Build 3064766), Xilinx released specific tool updates to "fix" known issues:
The release included multi-threaded support for faster device image generation and reduced physical optimization (PhysOpt) compile times. The "Fixed" Versions: 2020.2.1 and 2020.2.2 xilinx vivado 20202 fixed
This update primarily added support for new device packages in the Kintex and Virtex UltraScale+ families, such as the XCKU095_CIV and XCVU190_CIV . If you are experiencing bugs in the base 2020