- required time support - printing ABC version/platform in the output files - improve AIG rewriting package - high-effort logic synthesis for hard miters (cofactoring, Boolean division) - SAT solver with linear constraints - specialized synthesis for EXORs and large MUXes - parser for Verilog netlists - required time based on all cuts - comparing tts of differently derived the same cut - area flow based AIG rewriting - cut frontier adjustment - box-aware dch, lcorr, and scorr with optional deboxing - mfs with boxes - power-aware mapping - full support of required times