This page is part of the documentation for the Chrome Apps platform, which was deprecated in 2020. Chrome Apps in Kiosk Mode used by Enterprise and Education customers will no longer be supported after April 2027, marking their end of life. Additionally, all remaining Chrome Apps used in managed environments by Enterprise and Education organizations will reach their end of life in October 2028. Learn more about migrating your app.
Manifest Version
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Applications are simply bundles of resources, wrapped up with a manifest.json file that
describes the package's contents. The format of this file is generally stable, but occasionally
breaking changes must be made to address important issues. Developers should specify which version
of the manifest specification their package targets by setting a manifest_version key in their
manifests.
Current Version
Chrome App developers must currently specify 'manifest_version': 2:
{
...,
"manifest_version":2,
...
}
Manifest version 1 only applied to extensions and hosted apps, not Chrome Apps. It was deprecated in Chrome 18.