polars

v0.53.0 Growing

DataFrame library based on Apache Arrow

MIT Edition 2024

#arrow#dataframe#query-engine

GitHub ↗ crates.io ↗ Compare with…

Quick Verdict

✓Actively maintained (updated 47d ago)
!Pre-1.0: API may have breaking changes
✓Massive adoption (5.4K crates depend on it)
!Heavy dependency tree (27 direct deps)
✓Permissive license (MIT)

Security

Checking security advisories...

Downloads

9.5M

Dependents

5.4K

Releases

120

Size

138KB

Deep Insights

📊

Steady growth

914.4K downloads in the last 30 days (30.5K/day), up 16% from the previous period.

🔗

Widely adopted

5.4K crates depend on polars. Strong ecosystem adoption means battle-tested code and long-term stability.

🔬

Pre-1.0 for over a year

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

📦

Heavy dependency tree

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

🌟

Used by top crates

Notable dependents include duckdb, rust_xlsxwriter, pyo3-polars, lingua, faer-ext. When high-quality crates choose polars, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 11/25

Yanked ratio, deps, size, maturity, features

Community 14/20

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

25K/day avg+64%

Top Dependents

Most downloaded crates that depend on polars

Version Adoption

v0.30.0

60%

v0.46.0

15%

v0.32.1

12%

v0.52.0

v0.49.1

Release Timeline

120 releases6 yankedsince 2020

2020

2021

2022

2023

2024

2025

2026

Less

More|

Yanked

Feature Flags

default =["docs", "zip_with", "csv", "polars-parquet", "temporal", "fmt", "dtype-slim"]

absawscovcsecsv*fmt*gcpipclogrlesqlavrodiffdocs*ewmafullhisthttpjsonlazymetamoderankrowssignsimdtestasyncazurebenchcloudfusedis_inpeakspivotrangeregexserdetop_kavx512bigidxiejoinmomentobjectrandombitwisecum_aggcutqcutewma_byndarraynightlyparquetproductreplacestringsbusinesscoalescedescribedtype-i8dtype-u8index_ofir_serdeis_closerow_hashtemporal*true_divzip_with*arg_whereasof_joindtype-f16dtype-i16dtype-u16find_manyis_uniquelist_evallist_setsmonth_endoffset_byrepeat_bytimezonesconcat_strcross_joindecompressdtype-datedtype-fulldtype-i128dtype-slim*dtype-timedtype-u128fmt_no_ttyis_betweenlist_countpct_changeperformantscan_linesserde-lazystring_padto_dummiesarray_countchunked_idsdot_diagramdot_productdtype-arrayinterpolatelist_filterlist_gatherlist_samplemonth_startreinterpretallow_unuseddtype-structlist_any_allmerge_sortedpartition_byround_seriestrigonometryapprox_uniquearray_any_alldtype-decimalipc_streamingnew_streamingsearch_sortedtake_opt_iterunique_countsdocs-selectiondtype-datetimedtype-durationextract_groupsinterpolate_bylist_to_structpropagate_nansrolling_windowsemi_anti_joinstring_reversearray_to_structbinary_encodingcumulative_evaldiagonal_concatdtype-extensionlist_arithmeticlist_drop_nullsstring_encodingarray_arithmeticdynamic_group_byextract_jsonpathis_last_distinctstring_normalizedtype-categoricalis_first_distinctrolling_window_bystring_to_integerchecked_arithmeticpolars_cloud_clientpolars_cloud_serverdataframe_arithmetic