After a long time of rumor and speculation, it looks like Apple will soon introduce its first AR/VR headset. According to Bloomberg’s Mark Gurman, the American manufacturer wants to unveil the device in the spring, before the annual Worldwide Developers Conference in June, after much delay. The first copies would only be available in the fall. A concept render of the headset, based on rumors (source: Ian Zelbo). Apple would launch the so-called Reality Pro…