work Two-to-three processes Higher orders for higher multiplicity cross-sections STRIPPER SecToR Improved Phase sPacE for real Radiation -- A NNLO QCD subtraction scheme Heavy flavour production Precision predictions for heavy flavour production Polarized bosons Precision predictions for polarized boson production Top-quark pair production and decay Higher-order corrections to top-quark production and their decays HighTEA A database framework for theory events for high-energy physics