#239 Use spef_extractor OpenRCX rulesets instead of magic RCX rulesets New issue created by donn The magic RCX rulesets are showing timing violations: https://github.com/The-OpenROAD-Project/OpenLane/actions/runs/2000464858 According to @mkkassem, these are inaccurate. The new ones should be installed in their place, which are available at https://github.com/efabless/openrcx-calibration/tree/main/openrcx-spef_extractor for both sky130A and sky130B. RTimothyEdwards/open_pdks