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Pull requests: pandas-dev/pandas
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ENH: Allow where/mask/Indexers to accept callable API Design Indexing Related to indexing on series/frames, not to indexes themselves
API: generalized check_array_indexer for validating array-like getitem indexers ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves
BUG: df[col] = arr should not overwrite data in df[col] Indexing Related to indexing on series/frames, not to indexes themselves
API/ENH: add method='nearest' to Index.get_indexer/reindex and method to get_loc Enhancement Indexing Related to indexing on series/frames, not to indexes themselves
BUG: Bug in loc did not change dtype when complete column was assigned Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves Stale
#37749 by phofl was closed Jun 16, 2021 Loading…
8 tasks done
API: Implement new indexing behavior for intervals API Design Indexing Related to indexing on series/frames, not to indexes themselves Interval Interval data type
ENH: Add set_index to Series Enhancement Indexing Related to indexing on series/frames, not to indexes themselves
#22225 by h-vetinari was closed Jan 6, 2019 Loading…
5 tasks done
API: better error-handling for df.set_index Error Reporting Incorrect or improved errors from pandas Indexing Related to indexing on series/frames, not to indexes themselves
Introduction of RangeIndex API Design Indexing Related to indexing on series/frames, not to indexes themselves Performance Memory or execution speed performance
#9977 by ARF1 was closed Dec 30, 2015 Loading…
15 of 25 tasks
Subclassing improvements Compat pandas objects compatability with Numpy or Python functions Indexing Related to indexing on series/frames, not to indexes themselves
#12308 by cldy was closed Nov 22, 2016 Loading…
add optional default value to GroupBy.get_group API Design Groupby Indexing Related to indexing on series/frames, not to indexes themselves
Index repr changes to make them consistent Indexing Related to indexing on series/frames, not to indexes themselves Output-Formatting __repr__ of pandas objects, to_string
ENH: provide "inplace" argument to set_axis() Enhancement Indexing Related to indexing on series/frames, not to indexes themselves Reshaping Concat, Merge/Join, Stack/Unstack, Explode
API: map() on Index returns an Index, not array API Design Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves
ENH: Add masked engine Enhancement Indexing Related to indexing on series/frames, not to indexes themselves
CLN: revisit & simplify Block/BlockManager, remove axes Indexing Related to indexing on series/frames, not to indexes themselves Internals Related to non-user accessible pandas implementation Refactor Internal refactoring of code
ENH: add per axis, per level indexing with tuples using loc Enhancement Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
ENH/API: Scalar values for Series.rename and NDFrame.rename_axis API Design Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
ERR: disallow non-hashables in Index/MultiIndex construction & rename Error Reporting Incorrect or improved errors from pandas Indexing Related to indexing on series/frames, not to indexes themselves
BUG: Timestamp == date match stdlib Datetime Datetime data dtype Deprecate Functionality to remove in pandas Indexing Related to indexing on series/frames, not to indexes themselves
ENH: tolerance now takes list-like argument for reindex and get_indexer. Enhancement Indexing Related to indexing on series/frames, not to indexes themselves
BUG: Multiindexed series .at fix Bug Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
ProTip! Updated in the last three days: updated:>2025-11-28.