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What’s new in 1.1.0 (??)¶

These are the changes in pandas 1.1.0. See Release Notes for a full changelog including other versions of pandas.

Enhancements¶

Other enhancements¶

Deprecations¶

Performance improvements¶

Bug fixes¶

Categorical¶

Datetimelike¶

Bug in Timestamp where constructing Timestamp from ambiguous epoch time and calling constructor again changed Timestamp.value() property (GH24329)
DatetimeArray.searchsorted(), TimedeltaArray.searchsorted(), PeriodArray.searchsorted() not recognizing non-pandas scalars and incorrectly raising ValueError instead of TypeError (GH30950)

Timedelta¶

Timezones¶

Numeric¶

Conversion¶

Bug in Series construction from NumPy array with big-endian datetime64 dtype (GH29684)

Strings¶

Interval¶

Indexing¶

Bug in slicing on a DatetimeIndex with a partial-timestamp dropping high-resolution indices near the end of a year, quarter, or month (GH31064)

Missing¶

MultiIndex¶

I/O¶

Plotting¶

Groupby/resample/rolling¶

Reshaping¶

Bug in DataFrame.pivot_table() when only MultiIndexed columns is set (GH17038)
Fix incorrect error message in DataFrame.pivot() when columns is set to None. (GH30924)
Bug in crosstab() when inputs are two Series and have tuple names, the output will keep dummy MultiIndex as columns. (GH18321)

Sparse¶

ExtensionArray¶

Other¶

Contributors¶

pandas documentation Getting started