XULRunner was killed off for webapps, which was killed off for https://github.com/mozilla/positron https://github.com/mozilla/positron, which was killed off for

XULRunner was killed off for webapps, which was killed off for https://github.com/mozilla/positron https://github.com/mozilla/positron, which was killed off for nothing. On the bright side, Servo is designed for embedding, although it's a lot more work than something like XULRunner or Electron.