2.21.0 (2025-09-17)

Features

• Add bigframes.bigquery.to_json (#2078) (0fc795a)
• Support average='binary' in precision_score() (#2080) (920f381)
• Support pandas series in ai.generate_bool (#2086) (a3de53f)

Bug Fixes

• Allow bigframes.options.bigquery.credentials to be None (#2092) (78f4001)