V3_MIGRATION.md

Manifest V3 migration problem

Firefox need a page which loads a script :

"background": {
    "page": "background-page.html"
},

where chrome works with service_worker :

"background": {
    "service_worker": "background.js",
     "type": "module"
},

Links :

• https://stackoverflow.com/questions/75043889/manifest-v3-background-scripts-service-worker-on-firefox
• https://extensionworkshop.com/documentation/develop/manifest-v3-migration-guide/#browser-action