As of my last knowledge update in January 2022, I don't have specific information about products released or changes made after that date, including details about Appleton Estate Signature Blend Rum. Therefore, I recommend checking the latest information from Appleton Estate or reliable sources for the most up-to-date details on this product.Generally, signature blend rums are crafted to represent the distinct character and quality of a particular rum producer. They often combine various aged rums to create a well-balanced and flavorful profile. Appleton Estate, known for its Jamaican rum production, typically emphasizes a rich and full-bodied taste in its rums, with notes of tropical fruit, spice, and oak.For accurate and current information about Appleton Estate Signature Blend Rum, I suggest visiting the official Appleton Estate website or contacting their customer service. They may provide detailed tasting notes, production methods, and other relevant details about this specific rum blend.