polars-core

v0.54.4 Growing

Core of the Polars DataFrame library

MIT Edition 2024

GitHub ↗ crates.io ↗ Compare with…

Quick Verdict

✓Actively maintained (updated 39d ago)
!Pre-1.0: API may have breaking changes
✓Massive adoption (1.5K crates depend on it)
!Heavy dependency tree (41 direct deps)
✓Permissive license (MIT)

Security

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Downloads

13.1M

Dependents

1.5K

Releases

107

Size

444KB

Deep Insights

📊

Stable downloads

939.7K downloads in the last 30 days (31.3K/day). Volume is roughly flat compared to the previous period.

🔗

Widely adopted

1.5K crates depend on polars-core. Strong ecosystem adoption means battle-tested code and long-term stability.

🔬

Pre-1.0 for over a year

Despite being 5+ years old, polars-core hasn't reached 1.0 yet. Expect potential API changes between versions.

📦

Heavy dependency tree

41 direct dependencies. Consider the impact on compile times and supply chain complexity.

🌟

Used by top crates

Notable dependents include polars-io, polars, polars-lazy, polars-ops, polars-time. When high-quality crates choose polars-core, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days

29K/day avg-43%

Top Dependents

Most downloaded crates that depend on polars-core

Version Adoption

v0.52.0

31%

v0.49.1

26%

v0.53.0

19%

v0.51.0

16%

v0.50.0

Release Timeline

10 releasessince 2025

2025

2026

Less

Feature Flags

default =["algorithm_group_by"]

fmtdocslazyrowssimdserdeavx512bigidxobjectpythonrandombitwisenightlyproductstringsdescribedtype-i8dtype-u8proptestrow_hashtemporalzip_withdtype-f16dtype-i16dtype-u16timezonesdsl-schemadtype-datedtype-i128dtype-timedtype-u128fmt_no_ttyperformantserde-lazydot_productdtype-arrayreinterpretallow_unuseddtype-structpartition_byround_seriesapprox_uniquedtype-decimalgroup_by_listtake_opt_iterunique_countsdocs-selectiondtype-datetimedtype-durationrolling_windowdiagonal_concatdtype-extensionlist_arithmeticarray_arithmeticdynamic_group_byis_last_distinctdtype-categoricalis_first_distinctrolling_window_byalgorithm_group_by*checked_arithmeticdataframe_arithmetic

README

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Maintainers

Dependencies

direct dependencies

Dependents

1.5K

crates depend on polars-core