Always something new in burgers....
Moister buns, meltier cheese, fewer patties on the grill: With increased competition in the burger market, McDonald's has given its signature item a makeover https://www.wsj.com/business/hospitality/mcdonalds-burger-new-menu-2400d22b?st=6nc0x8y77w5r1xz
No More Dry Burgers: McDonald’s Overhauls Its Biggest Item

In the heated competition for hamburger dominance, the fast-food chain has spent seven years making over its signature offering

WSJ