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Preserve pandas nullable types from pandas objects#21514

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mroeschke wants to merge 19 commits intorapidsai:mainfrom
mroeschke:ref/cudf/pandas_nullable_from_args
Open

Preserve pandas nullable types from pandas objects#21514
mroeschke wants to merge 19 commits intorapidsai:mainfrom
mroeschke:ref/cudf/pandas_nullable_from_args

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Description

closes #21229

On top of #21499

Second of the major changes which will now preserve pandas extension types from pandas objects. IMO this PR is enough to claim "victory" in cuDF now supporting pandas extension types natively. Subsequent PRs will definitely be need to further ensure these types are propagated correctly in APIs

Checklist

  • I am familiar with the Contributing Guidelines.
  • New or existing tests cover these changes.
  • The documentation is up to date with these changes.

@mroeschke mroeschke self-assigned this Feb 20, 2026
@mroeschke mroeschke added the Python Affects Python cuDF API. label Feb 20, 2026
@mroeschke mroeschke requested a review from a team as a code owner February 20, 2026 23:40
@mroeschke mroeschke added the improvement Improvement / enhancement to an existing function label Feb 20, 2026
@mroeschke mroeschke requested a review from a team as a code owner February 20, 2026 23:40
@mroeschke mroeschke added the breaking Breaking change label Feb 20, 2026
@mroeschke mroeschke requested review from vyasr and wence- February 20, 2026 23:40
@github-actions github-actions bot added the cudf.pandas Issues specific to cudf.pandas label Feb 20, 2026
@GPUtester GPUtester moved this to In Progress in cuDF Python Feb 20, 2026
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breaking Breaking change cudf.pandas Issues specific to cudf.pandas improvement Improvement / enhancement to an existing function Python Affects Python cuDF API.

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[FEA] Allow cuDF classic to natively support pandas nullable types

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