happy-dom

npm

active

The latest release is less than 12 months old.

happy-dom last released 21.0.3 on 2026-10-15. Its latest version requires Node.js >=20.0.0.

Facts

Latest release
21.0.3, (9 days ago)
First published
(7 years ago)
Releases in the last 12 months
86
Median days between releases
0
Median days between major versions
95
Monthly downloads
83,288,739
License
MIT
Source
registry.npmjs.org (checked 2026-10-19)

Major versions

20 major versions have been published.

MajorFirst versionFirst releasedLatest versionLatest released
2121.0.02026-10-1121.0.32026-10-15
2020.0.02025-10-0920.14.62026-10-08
1919.0.02025-09-2819.0.22025-09-29
1818.0.02025-06-1018.0.12025-06-10
1717.0.02025-02-0517.6.32025-06-04
1616.0.02024-12-2716.8.12025-01-31
1515.0.02024-08-2115.11.72024-11-28
1414.0.02024-03-1914.12.32024-06-20
1313.0.02024-01-1013.10.12024-03-18
1212.0.02023-09-1512.10.32023-10-27
1111.0.02023-09-0611.2.02023-09-14
1010.0.02023-07-0510.11.22023-08-29
99.0.02023-04-019.20.32023-05-23
88.0.02022-12-078.9.02023-02-25
77.0.02022-10-057.8.12022-12-07
66.0.02022-06-306.0.42022-07-17
55.0.02022-05-315.4.02022-06-30
44.0.02022-05-194.1.02022-05-25
33.0.02022-04-263.2.22022-05-16
22.0.02020-12-142.55.02022-03-31

Runtime requirements

The latest version of happy-dom declares these runtime constraints.

RuntimeConstraintMinimum versionSince versionSince
Node.js>=20.0.020.0.021.0.02026-10-11

Supported runtimes

The latest version of happy-dom runs on 7 tracked runtime releases.

RuntimeCycleReleasedEnd of lifeLTS
Node.js262026-05-052029-04-30yes
Node.js252025-10-152026-06-01
Node.js242025-05-062028-04-30yes
Node.js232024-10-162025-06-01
Node.js222024-04-242027-04-30yes
Node.js212023-10-172024-06-01
Node.js202023-04-182026-04-30yes

Keelbench tracks end-of-life dates for 469 products, updated daily. Check your repositories against these dates with Deps.