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pola-rs/polars
Pick an open issue and Operate will investigate its root cause.
2,503 open issues
- #28741 str.replace_all expression seems to get translated to str.replace expressionbugpythonacceptedP-medium
- #28733 CSPE ignores inherent nondeterminismbugpythonacceptedP-highA-optimizer
- #28729 Projection pushdown drops scalar reduction from cross-join RHS → silent N×N row expansionbugpythonacceptedP-highA-optimizer
- #28726 Feat: Get more information about type mismatch while building a SeriesenhancementacceptedP-low
- #28718 Performance regression in plan in 0.55 for with_columnbugrustperformanceregressionneeds triage
- #28712 Data mappd to wrong group in nested `over`bugpythonacceptedP-high
- #28706 CSE of listbugpythonneeds triage
- #28704 Feat: Native Semantic Searchenhancement
- #28684 Performance Degredation on certain hardware 1.34 -> >1.35bugpythonperformanceP-medium
- #28682 min_horizontal and max_horizontal can return wrong output when input contains NaNbugpythonacceptedP-high
- #28660 Bug: `cum_sum` panics on Int64 overflow test_confirmed_bugswhile `sum()` and binary `+` wrapbugpythonP-mediumA-arithmeticA-panic
- #28654 Schema inconsistent on `Decimal` arithmetic with integeracceptedA-dtype-decimalP-mediumA-plan
- #28653 CSE in `group().agg()` turns scalar into listbugpythonacceptedP-mediumA-optimizer
- #28647 Speed up datetime parsing from NDJSONenhancementA-io-json
- #28641 SQL JOIN resolves right-table column against left input when comparing it to a literalbugpythonA-sqlneeds triage
- #28633 Arrow table import not setting `fast_explode` on dataframebugpythonenhancementperformance
- #28627 ComputeError reading Parquet files with VARIANT LogicalType (field_id=16) entire file unreadablebugpythonneeds triageA-io-parquet
- #28613 OOC: Categorical data cannot be spilled, swallowing "Dictionary replacement detected" panics and silently failingbugpythonA-dtype-categoricalneeds triageA-panicA-ooc
- #28609 `scan_parquet` with `parallel="prefiltered"` incorrectly returns zero rows for timezone-aware timestamp predicatesbugpythonacceptedP-highA-io-parquetA-optimizer
- #28599 `gather_every(n)` should start from the nth value instead of the first value.breakingA-apineeds decision
- #28597 .rolling(...).agg(...) ~20–40x slower ≥ 64 threadsbugpythonperformanceP-mediumA-rolling
- #28593 FilterExec's parallelism gate is inverted, leading to significant slowdownpythonperformanceacceptedP-medium
- #28592 `pl.coalesce` early-exit is dead code, leading to significant slowdownsbugpythonperformanceP-mediumA-streaming