2.18.0 (2025-09-03)

⚠ BREAKING CHANGES

• add allow_large_results option to read_gbq_query, aligning with bpd.options.compute.allow_large_results option (#1935)

Features

• Add allow_large_results option to read_gbq_query, aligning with bpd.options.compute.allow_large_results option (#1935) (a7963fe)
• Add parameter shuffle for ml.model_selection.train_test_split (#2030) (2c72c56)
• Can pivot unordered, unindexed dataframe (#2040) (1a0f710)
• Local date accessor execution support (#2034) (7ac6fe1)
• Support args in dataframe apply method (#2026) (164c481)
• Support args in series apply method (#2013) (d9d725c)
• Support callable for dataframe mask method (#2020) (9d4504b)
• Support multi-column assignment for DataFrame (#2028) (ba0d23b)
• Support string matching in local executor (#2032) (c0b54f0)

Bug Fixes

• Fix scalar op lowering tree walk (#2029) (935af10)
• Read_csv fails when check file size for wildcard gcs files (#2019) (b0d620b)
• Resolve the validation issue for other arg in dataframe where method (#2042) (8689199)

Performance Improvements

• Improve axis=1 aggregation performance (#2036) (fbb2094)
• Improve iter_nodes_topo performance using Kahn's algorithm (#2038) (3961637)