mine is still numbers
Tonight i got the same problem, now this look solved, could it be implied with Discover Weekly not updating?
All solved, thanks again to Spotify
Just found this on the support website
As we look to improve the overall Spotify experience, we’re now automatically generating usernames, hence the random numbers and letters.
You don’t need to remember this to log in. You can log in with just your password and the email address associated with your account.
During sign up, you can personalize your account by creating a profile name that’s displayed in the app. There’s no limitations to a profile name, so you can choose any you like :)