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pola-rs/polars
Extremely fast Query Engine for DataFrames, written in Rust
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Polars Latest Pending

Polars: Latest Pending Release

Release date:
Pending release in a future version
Previous version:
rs-0.51.0 (released September 16, 2025)
Magnitude:
10,976 Diff Delta
Contributors:
21 total committers
Data confidence:
---
Commits:
224 impacting commits

224 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

refactor(rust): Genericize UnitVec for any T (#24597)
Authored September 25, 2025
perf: Lower `unique` to native group-by and speed up `n_unique` in group-by context (#24976)
Authored October 22, 2025
feat: Remove filtered scan paths in IR when possible (#24974)
Authored October 23, 2025
fix some wards
Authored October 21, 2025
fix: CSV pl.len() was incorrect
Authored September 23, 2025
feat: Improve rolling_(sum|mean) accuracy
Authored October 3, 2025
refactor: Dispatch to no-op rayon thread-pool from streaming (#24957)
Authored October 22, 2025
refactor(rust): Move scan filter code to `polars-mem-engine` (#24959)
Authored October 22, 2025
perf: Implement native `skew` and `kurtosis` in group-by context (#24961)
Authored October 22, 2025
feat: Support `ewm_mean()` in streaming engine (#25003)
Authored October 24, 2025
(rust) add support for compression in write_csv
Authored September 19, 2025
test: Update tests to be index type agnostic
Authored October 15, 2025
chore: Make `LazyFrame.set_sorted` into a `FunctionIR::Hint` (#24981)
Authored October 24, 2025
feat(python): Allow `glimpse` to return a `DataFrame`
Authored October 8, 2025
fix: Re-enable CPU feature check before import (#25010)
Authored October 24, 2025
c
Authored October 22, 2025
perf: Implement native `skew` and `kurtosis` in group-by context
Authored October 21, 2025
perf: Allow for some literal casts in IO column expressions
Authored September 18, 2025
perf: Implement `cumulative_eval` using the group-by engine
Authored October 15, 2025
test: add tests
Authored September 19, 2025
add fast-path for NotAggregated
Authored September 16, 2025
fix: Follow Kleene logic in `any` / `all` for group-by (#24940)
Authored October 21, 2025
docstrings
Authored September 17, 2025
docs(python): Update `name.replace` examples (#24941)
Authored October 20, 2025
refactor(rust): Add stateful `EwmMean` kernel (#24972)
Authored October 22, 2025
fix: Decimal <-> literal arithmetic supertype rules
Authored September 24, 2025
perf: Speed up `reverse` in group-by context
Authored October 13, 2025
feat: Improve row-count estimates (#24996)
Authored October 24, 2025
feat: Support `np.ndarray -> AnyValue` conversion
Authored October 3, 2025
fix: Correctness `any(ignore_nulls)` and OOB in `all` (#25005)
Authored October 24, 2025
add a `return_type='self'` option
Authored October 8, 2025
working_on_local
Authored September 16, 2025
remove ToFieldContext.validate and no mut ref
Authored September 24, 2025
refactor(rust): Remove unused `expr_eval` (#24988)
Authored October 23, 2025
fix: Optimize memory for groups iter in `NotAggregated` state
Authored September 29, 2025
Expr.rechunk
Authored October 6, 2025
fix: Optimize memory on rolling groups in `ApplyExpr` (#24709)
Authored October 24, 2025
refactor: Dispatch to no-op rayon thread-pool from streaming
Authored October 21, 2025
docs: Introduce remote Polars MCP server (#24977)
Authored October 22, 2025
chore: Rename pl.dependencies to pl._dependencies
Authored September 24, 2025

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