manifest_version
Type | Number |
---|---|
Mandatory | Yes |
Example |
|
This key specifies the version of manifest.json used by this extension.
Currently, this must always be 2.
Example
"manifest_version": 2
Browser compatibility
Report problems with this compatibility data on GitHubwebextensions-desktop | webextensions-mobile | |||||
---|---|---|---|---|---|---|
manifest_version | ChromeFull support4 | EdgeFull support14 | FirefoxFull support48 | OperaFull support15 | SafariFull support14 | Firefox for AndroidFull support48 |
Version 1 | ChromeNo support4 — 21 | EdgeNo supportNo | FirefoxNo supportNo | OperaNo supportNo | SafariNo supportNo | Firefox for AndroidNo supportNo |
Version 2 | ChromeFull supportYes | EdgeFull support14 | FirefoxFull support48 | OperaFull supportYes | SafariFull support14 | Firefox for AndroidFull support48 |
Version 3 | ChromeFull support88 | EdgeNo supportNo | FirefoxNo supportNo | OperaNo supportNo | SafariNo supportNo | Firefox for AndroidNo supportNo |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Non-standard. Check cross-browser support before using.
- Deprecated. Not for use in new websites.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.