The new Sweet & Spicy Sriracha sauce is a sweet and tangy sauce made with chili peppers. The new barbecue sauce is called "Smokehouse BBQ" sauce and features a smoky honey barbecue sauce with black pepper for heat. The new ranch is called "Garlic & Herb Ranch" and is a creamy buttermilk ranch with notes of garlic, onion, and herbs. Finally, the new Buffalo sauce is called "Zesty Buffalo" sauce and is described as "a flavorful hot sauce with smooth, bold flavor."
In case, you're wondering which locations you can find the sauces at, Chick-fil-A has put together a helpful map:
Although only currently available in the few locations, the new sauces are slated to be available nationwide by late 2016.