Apple showed off every major new iOS 16 feature earlier this week at WWDC, its annual developer's conference. We're going to go through every feature you should know about in anticipation of the public beta coming in July and the full release in September. iOS 16 lets you edit and 'unsend' messagesYour iPhone gets a new customizable lock screenNotifications and live activitiesWallet and Apple Pay LaterVisual Lookup's tap and ...