Search results

Mixed nested dict breaks on schema_overrides with datetimes

bugSomething isn't workingSomething isn't working

needs triageAwaiting prioritization by a maintainerAwaiting prioritization by a maintainer

pythonRelated to Python PolarsRelated to Python Polars

Status: Open.

#27237 In pola-rs/polars;

· CoderJoshDK opened on Apr 8, 2026

pl.LazyFrame.map_batches should run with no optimization by default.

bugSomething isn't workingSomething isn't working

needs triageAwaiting prioritization by a maintainerAwaiting prioritization by a maintainer

pythonRelated to Python PolarsRelated to Python Polars

Status: Open.

#27236 In pola-rs/polars;

· gab23r opened on Apr 8, 2026

str.replace will not use None as replacement

bugSomething isn't workingSomething isn't working

needs triageAwaiting prioritization by a maintainerAwaiting prioritization by a maintainer

pythonRelated to Python PolarsRelated to Python Polars

Status: Open.

#27235 In pola-rs/polars;

· lmocsi opened on Apr 8, 2026

pl.field not allowed in struct.with_fields

A-dtype-structArea: struct data typeArea: struct data type

acceptedReady for implementationReady for implementation

bugSomething isn't workingSomething isn't working

P-mediumPriority: mediumPriority: medium

pythonRelated to Python PolarsRelated to Python Polars

Status: Open.

#27233 In pola-rs/polars;

· coastalwhite opened on Apr 8, 2026

streaming engine does not raise for rolling when index_column is unsorted

A-streamingRelated to the streaming engineRelated to the streaming engine

bugSomething isn't workingSomething isn't working

needs triageAwaiting prioritization by a maintainerAwaiting prioritization by a maintainer

pythonRelated to Python PolarsRelated to Python Polars

Status: Open.

#27231 In pola-rs/polars;

· wence- opened on Apr 8, 2026

RFC: Allow to provide file size hints to scan_parquet

A-io-parquetArea: reading/writing Parquet filesArea: reading/writing Parquet files

enhancementNew feature or an improvement of an existing featureNew feature or an improvement of an existing feature

Status: Open.

#27227 In pola-rs/polars;

· borchero opened on Apr 8, 2026

RFC: Allow to obtain file metadata from sink_parquet

A-io-parquetArea: reading/writing Parquet filesArea: reading/writing Parquet files

enhancementNew feature or an improvement of an existing featureNew feature or an improvement of an existing feature

Status: Open.

#27226 In pola-rs/polars;

· borchero opened on Apr 8, 2026

Inconsistent floating-point sum results based on row order

bugSomething isn't workingSomething isn't working

needs triageAwaiting prioritization by a maintainerAwaiting prioritization by a maintainer

pythonRelated to Python PolarsRelated to Python Polars

Status: Open.

#27223 In pola-rs/polars;

· unights opened on Apr 8, 2026

Add support for arrow:json type in scan_parquet

A-io-jsonArea: reading/writing JSON filesArea: reading/writing JSON files

A-io-parquetArea: reading/writing Parquet filesArea: reading/writing Parquet files

enhancementNew feature or an improvement of an existing featureNew feature or an improvement of an existing feature

Status: Open.

#27219 In pola-rs/polars;

· lhoestq opened on Apr 7, 2026

Add finish_callback to PartitionBy

enhancementNew feature or an improvement of an existing featureNew feature or an improvement of an existing feature

Status: Open.

#27218 In pola-rs/polars;

· claudious96 opened on Apr 7, 2026

Expression filter pushdown

A-optimizerArea: plan optimizationArea: plan optimization

enhancementNew feature or an improvement of an existing featureNew feature or an improvement of an existing feature

P-goalPriority: aligns with long-term Polars goalsPriority: aligns with long-term Polars goals

Status: Open.

#27207 In pola-rs/polars;

· nameexhaustion opened on Apr 7, 2026

Optimize min/max exprs to first/last_non_null on sorted input

A-optimizerArea: plan optimizationArea: plan optimization

enhancementNew feature or an improvement of an existing featureNew feature or an improvement of an existing feature

P-goalPriority: aligns with long-term Polars goalsPriority: aligns with long-term Polars goals

Status: Open.

#27202 In pola-rs/polars;

· nameexhaustion opened on Apr 7, 2026