Package
web-streams-polyfill
Web Streams, based on the WHATWG spec reference implementation
Key numbers
As of 25 Sept 2026
- Weekly downloads
- 55.7m
- +187% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 0
- Direct, from package.json
- Last release
- 4 months ago
- v4.3.0
- GitHub stars
- 336
- 30 forks
- Open issues / PRs
- 7 / 2
- Contributors
- 9
- Commits, last 52 weeks
- 97
Downloads
Last week 2026-09-15 to 2026-09-21
55,651,339 downloads last week, 253,603,427 in the last month. The 12-month change of +187% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 135 in total
- Latest version
- 4.3.0, 15 May 20264 months ago
- First published
- 2 Mar 2016
- Last push to GitHub
- 24 Sept 20261 day before the snapshot
- Repository archived
- No
- Open issues
- 7
- Open pull requests
- 2
- Commits, last 52 weeks
- 97
- Dependents on npm
- 665
Major versions
- v4 first release 4.0.0, 28 Feb 2024
- v3 first release 3.0.0, 20 Jul 2020
- v2 first release 2.0.0, 10 Mar 2019
- v1 first release 1.0.0, 2 Mar 2016
Recent releases
| Version | Published |
|---|---|
| 4.3.0 | 15 May 2026 |
| 4.2.0 | 17 Aug 2025 |
| 4.1.0 | 5 Jan 2025 |
| 4.0.0 | 28 Feb 2024 |
| 3.3.3 | 16 Feb 2024 |
| 3.3.2 | 4 Jan 2024 |
| 3.3.1 | 4 Jan 2024 |
| 3.3.0 | 4 Jan 2024 |
| 3.2.1 | 7 Apr 2022 |
| 3.2.0 | 6 Nov 2021 |
| 3.1.1 | 5 Sept 2021 |
| 3.1.0 | 21 Jul 2021 |
| 3.0.3 | 9 Apr 2021 |
| 3.0.2 | 9 Feb 2021 |
- Module format
- ESM + CommonJSFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- >= 8
- Runtimes
- -
- Unpacked size (npm)
- 448 kB
- Dependencies (0)
- None
npm install web-streams-polyfillCDN
jsDelivr: 1.3m requests in 30 days
- jsDelivr
https://cdn.jsdelivr.net/npm/web-streams-polyfill@4.3.0/ - unpkg
https://unpkg.com/web-streams-polyfill@4.3.0/ - esm.sh
https://esm.sh/web-streams-polyfill@4.3.0
| Package | Weekly downloads | Gzip | Last release | Module | Comparison |
|---|---|---|---|---|---|
| @sec-ant/readable-stream | 21.2m | - | 4 months ago | ESM only | - |
| fromentries | 5.9m | - | 5 years ago | CommonJS | - |
| unfetch | 6.8m | - | 3 years ago | ESM + CommonJS | - |
| abortcontroller-polyfill | 2.3m | - | 1 year ago | CommonJS | - |
| weakmap-polyfill | 1m | - | 5 years ago | CommonJS | - |
Indexability: Indexed.