{"description":"Version 1","source_file":"webextensions/manifest/manifest_version.json","support":{"chrome":{"version_added":"4","version_removed":"21"},"edge":{"version_added":false},"firefox":{"version_added":false},"firefox_android":{"version_added":false},"opera":{"version_added":false},"safari":{"version_added":false},"safari_ios":{"version_added":false}}}