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Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
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Pandas v2.1.0.dev0

Pandas: v2.1.0.dev0 Release

Release date:
June 28, 2023
Previous version:
v2.0.3 (released June 28, 2023)
Magnitude:
11,997 Diff Delta
Contributors:
11 total committers
Data confidence:
Commits:
246 impacting commits

246 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

Backport PR #51469 on branch 2.0.x (DOC: Remove 1.0.0 versionadded/versionchanged) (#51558)
Authored February 22, 2023
Backport PR #51545 on branch 2.0.x (TST/CLN: Remove unnecessary pyarrow version checking) (#51595)
Authored February 23, 2023
Backport PR #51082 on branch 2.0.x (API / CoW: return read-only numpy arrays in .values/to_numpy()) (#51933)
Authored March 13, 2023
Backport PR #51643 on branch 2.0.x (API: ArrowExtensionArray._cmp_method to return pyarrow.bool_ type) (#51987)
Authored March 16, 2023
Backport PR #51464 on branch 2.0.x (CoW: Ignore copy=True when copy_on_write is enabled) (#51849)
Authored March 8, 2023
Backport PR #51411 on branch 2.0.x (ENH: Optimize CoW for fillna with ea dtypes) (#51639)
Authored February 26, 2023
Backport PR #52195 on branch 2.0.x (WARN: Only warn about inconsistent parsing if there are multiple non-null elements) (#52242)
Authored March 27, 2023
Backport PR #52008 on branch 2.0.x (CoW: Avoid copying Index in Series constructor) (#52048)
Authored March 17, 2023
Backport PR #52614: ENH: Implement more str accessor methods for ArrowDtype (#52842)
Authored April 22, 2023
Backport PR #51312 on branch 2.0.x (CI/TST: Enable -W error:::pandas in pyproject.toml) (#51570)
Authored February 23, 2023
Backport PR #52036 on branch 2.0.x (BUG: Remove unnecessary validation to non-string columns/index in df.to_parquet) (#52044)
Authored March 17, 2023
Backport PR #51542 on branch 2.0.x (API: ArrowExtensionArray.value_counts returns pyarrow.int64 type) (#51620)
Authored February 25, 2023
Backport PR #52824 on branch 2.0.x (BUG: interchange bitmasks not supported in interchange/from_dataframe.py) (#52907)
Authored April 25, 2023
Backport PR #50918 on branch 2.0.x (ENH: Optimize replace to avoid copying when not necessary) (#51652)
Authored February 26, 2023
Backport PR #51834: CoW: Set copy=False in internal usages of Series/DataFrame constructors (#52012)
Authored March 16, 2023
Backport PR #53027 on branch 2.0.x (CI: Add job to validate conda-forge meta.yaml) (#53146)
Authored May 9, 2023
Backport PR #51302 on branch 2.0.x (ENH: Enable more Arrow CSV tests/features) (#51998)
Authored March 15, 2023
Backport PR #52426 on branch 2.0.x (API: Series/DataFrame from empty dict should have RangeIndex) (#52578)
Authored April 10, 2023
Backport PR #51658 on branch 2.0.x (ENH: Improve replace lazy copy handling) (#51679)
Authored February 27, 2023
Backport PR #52499 on branch 2.0.x (ENH: Implement str.r/split for ArrowDtype) (#52603)
Authored April 11, 2023
Backport PR #52556 on branch 2.0.x (BLD: Add DLL hashes to RECORD) (#52641)
Authored April 13, 2023
Backport PR #50778 on branch 2.0.x (PERF: Use generator expression for Blocks.replace_list) (#51714)
Authored March 1, 2023
Backport PR #52850 on branch 2.0.x (REGR: SeriesGroupBy.agg with multiple categoricals, as_index=False, and a list fails) (#52854)
Authored April 22, 2023
Backport PR #51966 on branch 2.0.x (CoW: __array__ not recognizing ea dtypes) (#52358)
Authored April 2, 2023
Backport PR #52906 on branch 2.0.x (DEPS: Address numpy deprecation of len 1 arrays assignment) (#52933)
Authored April 26, 2023
Backport PR #52097 on branch 2.0.x (DOC: improve (dark) theme getting started tutorials) (#52320)
Authored March 31, 2023
Backport PR #53233 on branch 2.0.x (BUG: preserve dtype for right/outer merge of datetime with different resolutions) (#53275)
Authored May 17, 2023
Backport PR #52422 on branch 2.0.x (BUG: merge with arrow and numpy dtypes raises) (#52480)
Authored April 6, 2023
Backport PR #53055 on branch 2.0.x (BUG: Fix regression when printing backslash in DataFrame.to_string) (#53107)
Authored May 5, 2023
Backport PR #53343: REF: Use np.result_type instead of np.find_common_type (#53359)
Authored May 24, 2023
Backport PR #51470 on branch 2.0.x (DEPS: Partial Matplotlib 3.7 support) (#51510)
Authored February 21, 2023
Backport PR #53231 on branch 2.0.x (PERF: fix merging on datetimelike columns to not use object-dtype factorizer) (#53471)
Authored June 1, 2023
Backport PR #51538 on branch 2.0.x (BUG: Timedelta comparisons with very large pytimedeltas overflowing) (#52241)
Authored March 27, 2023
Backport PR #51430 on branch 2.0.x (BUG: transpose not respecting CoW) (#51564)
Authored February 23, 2023
Backport PR #51766 on branch 2.0.x (CLN: Use type_mapper instead of manual conversion) (#51840)
Authored March 8, 2023
Backport PR #53001 on branch 2.0.x (BUG: Series.describe treating pyarrow timestamps/timedeltas as categorical) (#53031)
Authored May 2, 2023
Backport PR #52765 on branch 2.0.x (BUG: ArrowExtensionArray returning approximate median) (#52785)
Authored April 19, 2023
Backport PR #51854 on branch 2.0.x (ENH: Add misc pyarrow types to ArrowDtype.type) (#51887)
Authored March 10, 2023
Backport PR #51571 on branch 2.0.x (ENH: DataFrame.fillna making deep copy for dict arg) (#51636)
Authored February 25, 2023
Backport PR #51926 on branch 2.0.x (CoW: change ChainedAssignmentError exception to a warning) (#51986)
Authored March 15, 2023

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Top Contributors in v2.1.0.dev0

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