DoorDash opposed the measures, which set standards for delivery distances and minimum payments per order.
Grocery delivery became an overnight necessity for many during the pandemic, and it may be a habit that will stick.
The companies announced Monday that Uber will acquire Postmates for about $2.65 billion in an all-stock deal.
That could mean higher prices for consumers, and for the restaurants that rely on the apps.
"We have to adapt every single thing we do," one eatery owner says.