Alchemy: A benchmark and analysis toolkit for meta-reinforcement learning agents - Wang, Jane; King, Michael; Porcel, Nicolas; Kurth-Nelson, Zeb; Zhu, Tina; Deck, Charles; Choy, Peter; Cassin, Mary; Reynolds, Malcolm; Song, Francis; Buttimore, Gavin; Reichert, David; et al. (Proceedings of the Neural Information Processing Systems Track on Datasets and Benchmarks, 2021)