DoorDash won’t let you tip NYC drivers without the app

Last week, I placed a big dinner order for myself and several friends through DoorDash. There was no way to add a tip when I placed my order, but I wasn’t too worried — DoorDash assured me I’d be able to tip after the order was placed or delivered.

It was the first time I had used the service since last November, and since then, DoorDash made some big changes: in protest of a New York City law guaranteeing a minimum wage for delivery drivers...