Sorry to hear you are having trouble. You should be able to change the notification and thread marking settings in the device settings for the app. While you are welcome to continue to use the old app, it's rapidly becoming outdated and some features are no longer functional.
1964 Airstream Overlander | 1964 Globetrotter | Blog
You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose. | Dr. Seuss