McDonald’s has updated many locations with new technology, streamlining delivery, a new menu and curbside pickup service.
Employees are complaining that they are handling more tasks without pay raises or adequate staffing.
Turnover at U.S. fast-food restaurants jumped to 150 percent, the highest it has been since 1995.
Employees are quitting because of the stress and chaos created by the volume of mobile-app and kiosk orders in addition to register orders.
Drive-through times have also slowed to 239 seconds last year, 30 seconds slower than 2016.
One positive is that the new initiatives have turned around comparable sales, which rose 3.6% last year in the U.S.
A spokeswoman said, “just as Experience of the Future modernizes the restaurant experience for our customers, there is also focus on improving the work experience for restaurant employees.”