The document summarizes a paper that conducted a reproducible and fair comparison of recent domain generalization (DG) methods. The key points are: 1. Many DG methods have been proposed recently but lack common experimental settings, making results difficult to compare. 2. The study implemented 14 DG methods on 7 datasets using a common framework to enable fair comparisons. 3. Surprisingly, simple empirical risk minimization performed competitively with state-of-the-art DG methods under the controlled settings. 4. The authors made their code openly available to help advance DG research.