Web app origin migrationLimited availability
The migrate_to and migrate_from web app manifest members move an installed app from one origin to another, within the same site. They preserve the user's installation settings on the device, like shortcuts.
Not yet supported in all major browsers — check the table and provide a fallback.
Browser support
DesktopChrome
1–148Not supported
149+Supportedsince Jun 2, 2026
Current: 155Edge
12–148Not supported
149+Supportedsince Jun 4, 2026
Current: 154Firefox
✕Not supportedup to 157
Current: 157Safari
✕Not supportedup to 27
Current: 27MobileChrome Android
✕Not supportedup to 155
Current: 155Firefox Android
✕Not supportedup to 157
Current: 157Safari iOS
✕Not supportedup to 27
Current: 27How to use
Not supported in Firefox, Safari, Chrome Android, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.
Example
Full syntax and examples are on MDN — see the links below.
Feature detection
There’s no simple runtime check for this feature; rely on the support table and test in your target browsers.
Specification
Sub-features
Support for each part of the feature (2). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| manifests.webapp.migrate_from | 149 | 149 | ✕ | ✕ | ✕ | ✕ | ✕ |
| manifests.webapp.migrate_to | 149 | 149 | ✕ | ✕ | ✕ | ✕ | ✕ |