• Project ID parameter is optional in read_gbq and to_gbq when it can inferred from the environment. Note: you must still pass in a project ID when using user-based authentication. (#103)
• Progress bar added for to_gbq, through an optional library tqdm as dependency. (#162)
• Add location parameter to read_gbq and to_gbq so that pandas-gbq can work with datasets in the Tokyo region. (#177)