Repository Issue Activity (beta feature)

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#18284 Remove `json` support in `LazyFrame.serialize`

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#26290 scan_delta file skip predicate not working for bool dtype

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#12165 Support of vertical fold and scan

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#27372 Error for strict streaming horizontal concat with elementwise operation

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#21840 Specify engine options for lazy evaluation

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#27351 Polars 1.40.0 broke `pl.concat` for certain length inputs due to refactored `reduce_balanced` util

#27373 Panic: pl.col(<Categorical>).unique() inside group_by().agg()

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#10950 Extra technical detail in certain docs