Credit: Edgar Cervantes / Android AuthorityTL;DRUber’s 2026 Lost & Found Index reveals that riders left behind everything from dentures and breast milk to a dishwasher, a fish tank, and even live butterflies.Phones remain the most-forgotten item by a huge margin, while New York retained its title as America’s most forgetful city.Uber is rolling out a new in-app feature that lets users request a return trip from their driver to get lost items back with just a few taps.They left WHAT in an Uber? That’s exactly the reaction I had after reading Uber’s newly released 10th annual Lost & Found Index. So if you’ve ever left your phone in an Uber, take comfort in knowing that someone else apparently left behind an entire dishwasher.