The files code-learning_general_policies-without_symmetry_reduction.zip and data-learning_general_policies-without_symmetry_reduction.zip contain the code and data, respectively, from Table 2 of the paper on learning general policies on a collection of classical planning benchmarks without symmetry reduction. The files code-learning_general_policies-with_symmetry_reduction.zip and data-learning_general_policies-with_symmetry_reduction.zip contain the code and data, respectively, from Table 2 of the paper on learning general policies on a collection of classical planning benchmarks with symmetry reduction. A GitHub repository is available here. The files code-weisfeiler_leman_expressivity.zip and data-weisfeiler_leman_expressivity.zip contain the code and data, respectively, from Table 1 of the paper on finding expressivity conflicts using the Weisfeiler-Leman algorithm on a collection of classical planning benchmarks. A GitHub repository is available here. Additional Acknowledgements: This work was partially supported by the Wallenberg AI, Autonomous Systems and Software Program (WASP) funded by the Knut and Alice Wallenberg Foundation.