Add support for Pandas 3 #2295
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Add support for Pandas 3 #2295
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ihnorton
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Feb 5, 2026
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ihnorton
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LGTM overall but I'm nervous about the changes around string types (see inline) based on past experience.
tiledb/multirange_indexing.py
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| if col_dtypes: | ||
| df = df.astype(col_dtypes, copy=False) | ||
| # Use str instead of '<U0' so pandas uses its native string type |
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Is our type-mapping wrong now? I don't quite follow why we need this change
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This PR adds Pandas 3 support while maintaining Pandas 2 compatibility. The main change is handling the new
StringDtypethat Pandas 3 uses by default for strings.Also, added a CI step to continue on running tests using Pandas 2.
Closes CORE-487