[backport 3.0.x] BUG: use fill_null fallback for bug in pyarrow 21 on Windows (fixes join, fillna, duplicated, etc with pyarrow-backed arrays) (#64081)#64194
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jorisvandenbossche merged 1 commit intopandas-dev:3.0.xfrom Feb 17, 2026
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…oin, fillna, duplicated, etc with pyarrow-backed arrays) (pandas-dev#64081) Co-authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>
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Backport of #64081