Skip to content
JS
Package

apache-arrow

Apache Arrow columnar in-memory format

v21.2.0, 21 Jul 2026Apache-2.0ESM + CommonJSTypes: Bundled
$ npm install apache-arrow
npmGitHubHomepage

Key numbers

As of 25 Sept 2026
Weekly downloads
4.3m
+353% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
4
Direct, from package.json
Last release
2 months ago
v21.2.0
GitHub stars
112
23 forks
Open issues / PRs
95 / 25
Contributors
-
Commits, last 52 weeks
131

Downloads

Last week 2026-09-15 to 2026-09-21
02m4m6mSept 2025Mar 2026Sept 2026High 5m (28 Jul 2026)Low 631.1k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

4,262,823 downloads last week, 18,028,859 in the last month. The 12-month change of +353% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
251 in total
Latest version
21.2.0, 21 Jul 20262 months ago
First published
15 Aug 2017
Last push to GitHub
22 Sept 20262 days before the snapshot
Repository archived
No
Open issues
95
Open pull requests
25
Commits, last 52 weeks
131
Dependents on npm
-

Major versions

  1. v21 first release 21.0.0, 4 Jul 2025
  2. v20 first release 20.0.0, 14 May 2025
  3. v19 first release 19.0.0, 16 Jan 2025
  4. v18 first release 18.0.0, 30 Oct 2024
  5. v17 first release 17.0.0, 16 Jul 2024
  6. v16 first release 16.0.0, 20 Apr 2024
  7. v15 first release 15.0.0, 21 Jan 2024
  8. v14 first release 14.0.0, 6 Nov 2023
  9. v13 first release 13.0.0, 25 Aug 2023
  10. v12 first release 12.0.0, 2 May 2023
  11. v11 first release 11.0.0, 27 Jan 2023
  12. v10 first release 10.0.0, 26 Oct 2022
  13. v9 first release 9.0.0, 3 Aug 2022
  14. v8 first release 8.0.0, 6 May 2022
  15. v7 first release 7.0.0, 3 Feb 2022
  16. v6 first release 6.0.0, 26 Oct 2021
  17. v5 first release 5.0.0, 28 Jul 2021
  18. v4 first release 4.0.0, 27 Apr 2021
  19. v3 first release 3.0.0, 26 Jan 2021
  20. v2 first release 2.0.0, 19 Oct 2020
  21. v0 first release 0.0.2, 15 Aug 2017

Recent releases

VersionPublished
21.2.021 Jul 2026
21.1.07 Oct 2025
21.0.04 Jul 2025
20.0.014 May 2025
19.0.118 Feb 2025
19.0.016 Jan 2025
18.1.027 Nov 2024
18.0.030 Oct 2024
17.0.016 Jul 2024
16.1.014 May 2024
16.0.020 Apr 2024
15.0.218 Mar 2024
15.0.17 Mar 2024
15.0.021 Jan 2024

Compatibility

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
5.5 MB
Dependencies (4)
tslib@types/nodeflatbuffersjson-with-bigint

Install

npm install apache-arrow

CDN

jsDelivr: 793.6k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/apache-arrow@21.2.0/
  • unpkghttps://unpkg.com/apache-arrow@21.2.0/
  • esm.shhttps://esm.sh/apache-arrow@21.2.0
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.