Listen for filter + filter search and sort option + notification

[Lunaku]

Plan

Premium

Country

 Germany

Device

Huawei p10

Operating System

Android 

My Question or Issue

1. I can not listen to my songs by order of filtering. How can I listen to my songs by order of filtering?

2. At the top of the playlist, the filter search and the sort option have disappeared. I always have to press Option and press "Search in playlist" or "Sort playlist". How do I get the old function back?

3. I rarely get notified when the artists I follow publish songs. I also turned on the notification in the settings. How do I always get notified when new songs come out?