Package

merge2

Merge multiple streams into one stream in sequence or parallel.

v1.4.1, 3 Jun 2020MITCommonJSTypes: None

$ npm install merge2

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 91.1m; +73% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 6 years ago; v1.4.1
GitHub stars: 171; 15 forks
Open issues / PRs: 2 / 5
Contributors: 7
Commits, last 52 weeks: 0

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

91,136,993 downloads last week, 401,613,265 in the last month. The 12-month change of +73% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 023 in total
Latest version: 1.4.1, 3 Jun 20206 years ago
First published: 19 Oct 2014
Last push to GitHub: 21 Jan 2026246 days before the snapshot
Repository archived: No
Open issues: 2
Open pull requests: 5
Commits, last 52 weeks: 0
Dependents on npm: 1,993

Major versions

v1 first release 1.0.0, 19 Jan 2016
v0 first release 0.2.0, 19 Oct 2014

Recent releases

Version	Published
1.4.1	3 Jun 2020
1.4.0	3 Jun 2020
1.3.0	13 Sept 2019
1.2.4	31 Jul 2019
1.2.3	13 Oct 2018
1.2.2	4 May 2018
1.2.1	9 Jan 2018
1.2.0	9 Sept 2017
1.1.0	2 Jul 2017
1.0.3	31 Dec 2016
1.0.2	4 Apr 2016
1.0.1	3 Feb 2016
0.3.7	3 Feb 2016
1.0.0	19 Jan 2016

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: >= 8
Runtimes: -
Unpacked size (npm): 8.7 kB
Dependencies (0): None

Install

npm install merge2

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/merge2@1.4.1/
unpkghttps://unpkg.com/merge2@1.4.1/
esm.shhttps://esm.sh/merge2@1.4.1

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

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