In a heartfelt letter to fans, Joe Jonas addresses his recent breakup with Taylor Swift, saying that certain “issues” led to a “change of heart.”

Although he doesn’t mention Swift by name, the teen idol makes clear in his MySpace post he’s referring to the country star, who has been speaking and singing about the split.

“Several things I will state with all my heart,” writes Jonas, 19, who’s now quietly dating actress Camilla Belle. “I never cheated on a girlfriend. It might make someone feel better to assume or imply I have been unfaithful but it is simply not true. Maybe there were reasons for a breakup. Maybe the heart moved on. Perhaps feelings changed. I am truly saddened that anything would potentially cause you to think less of me.”