Taylor Swift isn’t the only one saying so long to her past loves because Joe Alwyn has “moved on” and is “happy” following their April 2023 split, RadarOnline.comhas learned. Sources gave an update on Alwyn after Swift released her eleventh studio album, The Tortured Poets Department (TTPD), with plenty of songs fans believe are about her ex. According to insiders, the British actor isn’t sweating her instant hits likeSo Long, London, The Black Dog, and I Can Do It With a Broken Heart. They claim Alwyn is “doing well” and “focused on work” instead of obsessing over his ex’s lyrics. “He’s datin…