{"source_file":"webextensions/manifest/background.json","support":{"chrome":{"notes":"Available for use in Manifest V2 or later.","version_added":"88"},"edge":{"notes":"Available for use in Manifest V2 or later.","version_added":"88"},"firefox":{"version_added":false},"firefox_android":{"version_added":false},"opera":{"notes":"Available for use in Manifest V2 or later.","version_added":"74"},"safari":{"notes":"Available for use in Manifest V2 or later.","version_added":"15.4"},"safari_ios":{"notes":"Available for use in Manifest V2 or later.","version_added":"15.4"}}}