mdn-browser-compat-data/webextensions/manifest/externally_connectable.json

Browser compatibility data provided by MDN Web Docs

{
  "webextensions": {
    "manifest": {
      "externally_connectable": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/externally_connectable",
          "support": {
            "chrome": {
              "version_added": true
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false,
              "notes": "See <a href='https://bugzil.la/1319168'>bug 1319168</a>."
            },
            "firefox_android": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            }
          }
        }
      }
    }
  }
}