Spotify is more or less unusable on my Lumia 620 because I can't access playlists, at all. I've tried numerous times, on 3G and on wifi. The phone starts to download them and I can see the names of a few of the latest ones but after a half a minute it always crashes. The only way to listen to anything is use the search. I do have a huge amount of palylists , that might have something to do with it. The phone (8.0.10211.204) and the app should be up to date.
PS. I do know there are other threads with similar issues, but I did not find any where the lists are completely un-usable. If I should post this issue in one of them, please let me know.