There are no posts under subscriptions and I’m thinking that it might be related to the hack of lemmy.world yesterday. I saw that for some 3rd party apps you’ll need to logout and then back in again but I can’t seem to find a way to log out with Mlem.
Press back until you get to Accounts screen. Then you can swipe on the account left, you should see a red button with “Delete”.
Press the Delete button and add your account again
ah, I was missing the swipe left - thank you!