New techniques for reconstructing and calibrating hadronic objects with ATLAS

The precision and reach of physics analyses at the LHC are often tied to the performance of hadronic object reconstruction and calibration, with even small incremental gains in understanding and reduced uncertainties being impactful on ATLAS results. Recent refinements to the reconstruction and calibration procedures for jets and missing transverse momentum by the ATLAS collaboration have resulted in reduced uncertainties, improved pile-up stability, and overall performance gains. In this proceeding, we present highlights of these developments.