OnePlus held a launch event for its 7T series today (October 10, 2019). The OEM also went over OxygenOS 10 - which is based on Android 10 - a new software update that will ship on these new phones and come to older ones soon. Its developers have also implemented a new instant translation feature for video chats, which will come to this ROM soon.
https://www.notebookcheck.net/Android-10-on-OnePlus-will-come-with-an-automatic-translation-feature.438280.0.html