I just saw this offer in my Dunkin’ app
https://www.dunkindonut
*Offer valid 11/25/22 – 11/27/22. Limit one free Holiday Blend coffee per member per day. Dairy alternative, cold foam, flavors and espresso shots may be an additional charge. Offer valid at participating US Dunkin’ stores by Dunkin’ Rewards members who order ahead in the Dunkin’ App. No substitutions allowed. No cash refunds. Cannot be combined with any other offer, promotion or coupon. For full rewards program terms, please visit dunkindonuts.com/terms .