Uber tweaks its driver app amid rising tensions over worker rights

Uber made several changes to its app Thursday to improve the experience for both novice and seasoned drivers. The update came as ride-hailing drivers rallied in support of legislation in California that would reclassify them as employees rather than contractors.Uber is testing out several new features for drivers, including a scrolling feed of promotions and gamified “quests” that are viewable before drivers sign on to start driving. For new drivers, there will be a “simulated