According to ChewBoom, M&M's introduced a brand new flavor: Caramel Cold Brew! The brand new flavor was introduced in celebration of the brand new Purple M&M! The Caramel Cold Brew flavor is described as:
M&M’s Caramel Cold Brew features a combination of smooth, robust coffee flavor and sweet, chewy caramel, covered in classic M&M’s milk chocolate and wrapped in a colorful, candy shell.
The M&M Caramel Cold Brew pack will be available starting February 2023!