I've got the same issue, been trying to work out what the yellow warning triangle means.
There's no "download" option in the app on phones for me either (Huawei P20 Lite, the app is version 4.6.2-1379350). No idea what it means, was going to check it on my iPad to see if it was there, but my iPad is a zillion years old and the app has finally stopped working there so had to uninstall. Need new iPad... need money.... *shakey fist*
Still baffled to the triangle on the phone though. Not sure if it should matter to me, is it warning about something... it's not linked to a specific show - it's only on "All shows". Is the app needing something?