That it is very likely the reason why. Well done indeed! It’s not uncommon to see iOS add trailing space at the end after a copy paste form a website. Do you think we could trim the url ?
I tried deleting Damus altogether suspecting the DamusState object might have been corrupted somehow. But no luck so far. Either the object doesn’t get flushed when removing the app (thank you iCloud?) or it is something else entirely.