Mark Gurman reported that Apple has changed the name of its mixed reality headset's software to "xrOS". "XR" stands for extended reality and the headset is expected to have both augmented and virtual reality features. Gurman says a shell corporation has filed a trademark for the brand "xrOS" in the US and in other countries, including ones in the European Union and in Asia. DeepDive applied for a trademark for "head-mounted displays and devices that provide virtual reality and augmented reality experiences." It's not clear if Apple is behind the filing. A patent application for "realityOS" was found earlier this year by a product manager. Another shell company with a different name applied for "Reality One," "Reality Pro" and "Reality Processor." It is possible that Apple is working on the details of its upcoming launch. Gurman says Apple will have a dedicated operating system and a headset next year. The device will feature virtual versions of the company's apps, and will use iris scanning for app purchases and sign-ins, according to previous reports. According to Apple's job listings, the tech giant is working on a 3D mixed reality world that could be a challenge to Facebook's.