XR technology is a developing technology and when it comes to using XR for learning languages, the technology is not yet where it needs to be. This article talks about how important AI and chatbot technology is to making a completely immersive environment and for XR technology to reach its potential as a language learning tool. Chatbot technology is advancing rapidly; however, that technology is focused on widely used languages such as English. Indigenous languages face an uphill battle to have AI chatbot technology developed for those languages, but not impossible.
https://www.extendedrealitylearning.com/how-will-xr-impact-language-training/