flat versions and release history

Inspect a published release before upgrading or adding a dependency. Each version reference keeps its metadata and provider measurements pinned to that exact npm version.

Published versions28
Stable versions28
Prereleases0
Releases published in the last 90 days0
Deprecated releases16
Latest npm dist-tag6.0.1

All available releases

VersionPublishedRuntime dependenciesTypesStatus
6.0.12023-09-19T14:47:19.548Z0Bundledlatest
6.0.02023-09-15T09:22:00.547Z0Bundled
3.0.12020-10-14T15:24:03.024Z1Not declared
2.0.22020-10-14T15:23:47.929Z1Not declared
1.6.22020-10-14T15:23:32.680Z1Not declared
4.1.12020-10-14T15:19:00.252Z1Not declared
5.0.22020-08-06T15:29:02.438Z0Not declared
5.0.12020-08-06T15:18:07.976Z0Not declared
5.0.02019-10-22T05:18:23.114Z1Not declaredFixed a prototype pollution security issue in 5.0.0, please upgrade to ^5.0.1.
4.1.02018-07-02T07:53:50.823Z1Not declaredFixed a prototype pollution security issue in 4.1.0, please upgrade to ^4.1.1 or ^5.0.1.
4.0.02017-07-25T07:18:19.906Z1Not declaredFixed a prototype pollution security issue in 4.0.0, please upgrade to ^4.1.1 or ^5.0.1.
3.0.02017-07-23T06:46:22.138Z1Not declaredFixed a prototype pollution security issue in 3.0.0, please upgrade to ^3.0.1 or ^5.0.1.
2.0.12016-06-23T05:14:14.628Z1Not declaredFixed a prototype pollution security issue in 2.0.1, please upgrade to ^2.0.2 or ^5.0.1.
2.0.02016-01-30T22:53:58.981Z1Not declaredFixed a prototype pollution security issue in 2.0.0, please upgrade to ^2.0.2 or ^5.0.1.
1.6.12016-01-30T22:29:29.502Z1Not declaredFixed a prototype pollution security issue in 1.6.1, please upgrade to ^1.6.2 or ^5.0.1.
1.6.02015-05-27T21:39:11.103Z0Not declaredFixed a prototype pollution security issue in 1.6.0, please upgrade to ^1.6.2 or ^5.0.1.
1.5.12015-03-19T04:04:22.673Z0Not declaredFixed a prototype pollution security issue in flat, please upgrade to ^1.6.2 or ^5.0.1.
1.5.02015-01-14T03:28:05.115Z0Not declaredFixed a prototype pollution security issue in flat, please upgrade to ^1.6.2 or ^5.0.1.
1.4.02015-01-14T03:22:29.521Z0Not declaredFixed a prototype pollution security issue in flat, please upgrade to ^1.6.2 or ^5.0.1.
1.3.02014-09-28T02:20:15.098Z0Not declaredFixed a prototype pollution security issue in flat, please upgrade to ^1.6.2 or ^5.0.1.
1.2.12014-04-16T19:08:02.744Z0Not declaredFixed a prototype pollution security issue in flat, please upgrade to ^1.6.2 or ^5.0.1.
1.2.02014-02-17T00:31:17.275Z0Not declaredFixed a prototype pollution security issue in flat, please upgrade to ^1.6.2 or ^5.0.1.
1.1.02013-12-16T11:37:51.785Z0Not declaredFixed a prototype pollution security issue in flat, please upgrade to ^1.6.2 or ^5.0.1.
1.0.02013-04-30T03:55:09.020Z0Not declaredFixed a prototype pollution security issue in flat, please upgrade to ^1.6.2 or ^5.0.1.
0.2.02012-11-21T02:18:45.899Z0Not declared
0.1.02012-10-11T00:53:37.536Z0Not declared
0.0.22012-10-06T02:47:40.724Z0Not declared
0.0.12012-10-05T16:52:58.271Z0Not declared

Choosing a version

The latest tag is selected by the publisher and is not a guarantee of compatibility. Prerelease and deprecated status remain visible. Check your Node.js range and peer requirements on the exact version page, then review the maintainer’s release notes before upgrading.

Removed or unpublished versions may be absent. Historical download charts cover all package versions and do not show adoption of an individual release.

npm release-history source — retrieved 2026-10-29T12:14:25.324Z