@User was it you that was talking about the big SPICE problem stemming from the clock mesh fix at opentapeout yesterday? Is that netlist available or any instructions on how to reproduce it? I've been collecting challenging SPICE simulation benchmarks that would have solved real world problems, so I'd be interested in taking a look

The branch is

caravel-mpw-two-mfix

and should be part of the caravel public repository. The changes were made in magic layout, GDS, and verilog.