Key numbers
As of 25 Sept 2026
- Weekly downloads
- 30.3m
- +37% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 0
- Direct, from package.json
- Last release
- 2 months ago
- v5.1.9
- GitHub stars
- 33k
- 1.9k forks
- Open issues / PRs
- 100 / 38
- Contributors
- -
- Commits, last 52 weeks
- 154
Downloads
Last week 2026-09-15 to 2026-09-21
30,280,186 downloads last week, 152,077,220 in the last month. The 12-month change of +37% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 10100 in total
- Latest version
- 5.1.9, 29 Jun 20262 months ago
- First published
- 28 Feb 2013
- Last push to GitHub
- 10 Sept 202615 days before the snapshot
- Repository archived
- No
- Open issues
- 100
- Open pull requests
- 38
- Commits, last 52 weeks
- 154
- Dependents on npm
- 8,344
Major versions
- v5 first release 5.0.0, 3 Nov 2024
- v4 first release 4.0.0, 7 Oct 2021
- v3 first release 3.0.0, 29 Oct 2014
- v2 first release 2.0.0, 29 Jul 2014
- v1 first release 1.0.0, 4 May 2013
- v0 first release 0.8.0, 27 Mar 2013
Recent releases
| Version | Published |
|---|---|
| 3.8.4 | 14 Aug 2026 |
| 5.1.9 | 29 Jun 2026 |
| 5.1.8 | 25 Jun 2026 |
| 4.3.9 | 25 Jun 2026 |
| 5.1.7 | 22 Jun 2026 |
| 5.1.6 | 28 May 2026 |
| 3.8.3 | 6 Mar 2026 |
| 4.3.8 | 3 Mar 2026 |
| 5.1.5 | 3 Mar 2026 |
| 5.1.4 | 13 Oct 2025 |
| 5.1.3 | 11 Jun 2025 |
| 5.1.2 | 5 May 2025 |
| 5.1.1 | 26 Mar 2025 |
| 5.1.0 | 25 Mar 2025 |
- Module format
- ESM + CommonJSFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- Not declared
- Runtimes
- -
- Unpacked size (npm)
- 709 kB
- Dependencies (0)
- None
npm install immutableCDN
jsDelivr: 3.2m requests in 30 days
- jsDelivr
https://cdn.jsdelivr.net/npm/immutable@5.1.9/ - unpkg
https://unpkg.com/immutable@5.1.9/ - esm.sh
https://esm.sh/immutable@5.1.9
Indexability: Not indexed (discovery only): no category.