The Last Iterate Advantage: Empirical Auditing and Principled Heuristic Analysis of Differentially Private SGD - Nasr, Milad; Steinke, Thomas; Balle, Borja; Choquette-Choo, Christopher; Ganesh, Arun; Jagielski, Matthew; Hayes, Jamie; Guha Thakurta, Abhradeep; Smith, Adam; Terzis, Andreas (International Conference on Learning Representations, 2025)