Xilinx Vivado 20202 Fixed Jun 2026

They eventually discovered the culprit wasn't Xilinx’s code at all, but a microscopic flaw in the AMD AGESA (BIOS)

# Previously failed if netlist used mixed case read_edif ./third_party/MyMixedCaseNetlist.edf # Now correctly maps to Xilinx primitives link_design -top top -part xczu9eg-ffvb1156-2-e xilinx vivado 20202 fixed

Vivado Simulator saw performance tweaks in 2020.2. While it is generally slower than third-party simulators like ModelSim/Questa or VCS, the integration with the GUI improved, making waveform analysis and debug easier within the native environment. the integration with the GUI improved