OnePlus' recent absorption by OPPO has raised the possibility that the brand's upcoming flagship, the 10 Pro, will arrive on the international market with a new OS rather than the brand's signature OxygenOS. Others have claimed that its replacement will not make the major global launch event involved. The latest word from a rising star in leak terms indicates that this is indeed the case.
https://www.notebookcheck.net/The-OnePlus-10-Pro-s-global-units-will-definitely-stay-on-OxygenOS-12-at-launch.597431.0.html