{"source_file":"webextensions/manifest/browser_action.json","support":{"chrome":{"version_added":true},"edge":{"version_added":"14"},"firefox":{"version_added":"48"},"firefox_android":{"notes":"Browser actions are presented as menu items, and the title is the menu item's label.","version_added":"55"},"opera":{"version_added":true},"safari":{"version_added":"14"},"safari_ios":{"version_added":"15"}}}