orphan: What's new in 0.25.1 (July XX, 2019) Enhancements Other enhancements Bug fixes Categorical Datetimelike Timedelta Timezones Numeric Bug in :class:`format` in which negative floating point complex numbers would raise an IndexError (:issue:`27484`) Conversion Strings Interval Indexing Missing MultiIndex I/O Plotting Groupby/resample/rolling Reshaping Sparse Build Changes ExtensionArray Other Contributors .. contributors:: HEAD..HEAD