According to the latest word, OnePlus' new flagship smartphone the 10 Pro is slated to launch in January 2022, albeit for its Chinese audience only. Now, this possibility is all the greater thanks to a new pre-registration page on JD.com. It specifies a release date matching the latest leaks and teasers.
https://www.notebookcheck.net/A-OnePlus-10-Pro-advance-listing-appears-on-a-Chinese-retail-site.589050.0.html