OpenXR
OpenXR is an open, royalty-free standard for cross-platform virtual reality (VR) and augmented reality (AR) applications. It provides a unified API that allows developers to write code once and run it across multiple XR hardware and software platforms, such as headsets from Meta, HTC, and Valve, as well as operating systems like Windows and Android. This standard is maintained by the Khronos Group and aims to reduce fragmentation in the XR ecosystem.
Developers should learn OpenXR when building VR or AR applications that need to target multiple hardware devices or platforms, as it eliminates the need for platform-specific code and simplifies development. It is particularly useful for creating immersive experiences in gaming, training simulations, and enterprise applications where compatibility across different headsets is crucial. Using OpenXR ensures future-proofing and access to a broad range of XR technologies without vendor lock-in.