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Pull requests list

REF: DatetimeLikeArray Datetime Datetime data dtype Refactor Internal refactoring of code
#24024 by TomAugspurger was merged Jan 2, 2019 Loading…
7 of 12 tasks
0.24.0
3
608
ENH: Adding origin parameter in pd.to_datetime Datetime Datetime data dtype Enhancement
#11470 by sumitbinnani was closed Mar 28, 2017 Loading… 0.20.0
224
PERF: cythonizing _concat_date_cols; conversion to float without exceptions in _does_string_look_like_datetime Datetime Datetime data dtype Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Performance Memory or execution speed performance
#25754 by anmyachev was merged May 12, 2019 Loading…
4 tasks done
0.25.0
173
BUG: hashing datetime64 objects Datetime Datetime data dtype
#50960 by jbrockmendel was closed Aug 15, 2023 Loading…
5 tasks
128
BUG: _convert_and_box_cache raise ValueError: Tz-aware datetime.datetime cannot be converted to datetime64 unless utc=True Datetime Datetime data dtype
#26097 by anmyachev was merged Jul 3, 2019 Loading…
4 tasks done
0.25.0
128
BUG/TST/REF: Datetimelike Arithmetic Methods Datetime Datetime data dtype
#23215 by jbrockmendel was merged Oct 28, 2018 Loading…
3 of 4 tasks
0.24.0
119
PDEP0004: implementation Datetime Datetime data dtype PDEP pandas enhancement proposal
#49024 by MarcoGorelli was merged Dec 13, 2022 Loading…
6 tasks done
2.0
2
118
REF/DEPR: DatetimeIndex constructor Datetime Datetime data dtype Deprecate Functionality to remove in pandas
#23675 by jbrockmendel was merged Dec 3, 2018 Loading… 0.24.0
112
Recognize timezoned labels when accessing dataframes. Datetime Datetime data dtype Indexing Related to indexing on series/frames, not to indexes themselves Timezones Timezone data dtype
#17920 by 1kastner was closed Jun 30, 2018 Loading…
4 tasks done
1
111
implement+test mean for datetimelike EA/Index/Series Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Datetime Datetime data dtype ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
#24757 by jbrockmendel was merged Jun 10, 2019 Loading…
2 of 4 tasks
0.25.0
109
PERF: Parse certain dates in Cython instead of falling back to dateutil.parse Datetime Datetime data dtype Performance Memory or execution speed performance
#25922 by vnlitvinov was merged Apr 20, 2019 Loading…
4 tasks done
0.25.0
108
ENH: add pd.asof_merge Datetime Datetime data dtype Enhancement Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#13358 by jreback was closed Jun 17, 2016 Loading… 0.19.0
1
101
BUG/REF: TimedeltaIndex.__new__ Bug Datetime Datetime data dtype Refactor Internal refactoring of code Timedelta Timedelta data type
#23539 by jbrockmendel was merged Nov 11, 2018 Loading… 0.24.0
101
[READY] perf improvements for strftime Datetime Datetime data dtype Performance Memory or execution speed performance Stale
#51298 by smarie was closed Oct 5, 2025 Loading…
5 tasks done
1
100
REF/ENH: Constructors for DatetimeArray/TimedeltaArray Datetime Datetime data dtype Timedelta Timedelta data type
#23493 by jbrockmendel was closed Nov 9, 2018 Loading…
97
ENH: add time-window capability to .rolling Datetime Datetime data dtype Enhancement Numeric Operations Arithmetic, Comparison, and Logical operations
#13513 by jreback was closed Jul 20, 2016 Loading… 0.19.0
1
97
DOC: Updated docstring DatetimeIndex.tz_localize Datetime Datetime data dtype Docs Timezones Timezone data dtype
#20050 by IHackPy was merged Mar 14, 2018 Loading…
95
ENH: support cut/qcut for datetime/timedelta (GH14714) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Datetime Datetime data dtype Enhancement Timedelta Timedelta data type
#14737 by aileronajay was merged Dec 3, 2016 Loading…
4 tasks done
0.20.0
1
87
Allow indices to be mapped through through dictionaries or series API Design Clean Datetime Datetime data dtype Indexing Related to indexing on series/frames, not to indexes themselves Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#15081 by nateyoder was merged Nov 25, 2017 Loading…
4 tasks done
0.23.0
1
85
ENH: support for nanosecond time in offset and period Datetime Datetime data dtype Dtype Conversions Unexpected or buggy dtype conversions Enhancement
#3060 by wuan was merged Sep 30, 2013 Loading… 0.13
1
84
API/BUG: Make consistent datetime string parse function Datetime Datetime data dtype IO Data IO issues that don't fit into a more specific label
#7599 by sinhrks was merged Jul 14, 2015 Loading… 0.17.0
2
83
ENH: Return locale based month_name and weekday_name values (#12805, #12806) Compat pandas objects compatability with Numpy or Python functions Datetime Datetime data dtype Enhancement
#18164 by mroeschke was merged Mar 4, 2018 Loading…
3 tasks done
0.23.0
2
79
standardize signature for Index reductions, implement nanmean for datetime64 dtypes API Design Datetime Datetime data dtype
#24293 by jbrockmendel was merged Dec 29, 2018 Loading…
3 of 4 tasks
0.24.0
1
73
API: add is_beg_month/quarter/year, is_end_month/quarter/year accessors (#4565) Datetime Datetime data dtype Enhancement Frequency DateOffsets
#4823 by mikebailey was merged Apr 29, 2014 Loading… 0.14.0
1
70
Rolling window endpoints inclusion API Design Datetime Datetime data dtype Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#15795 by carlosdanielcsantos was closed Apr 13, 2017 Loading…
5 tasks done
0.20.0
1
68
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