A new leak says that OnePlus is working on the vanilla OnePlus 10. The smartphone will be powered by the MediaTek Dimensity 9000 SoC but will be released in limited quantities.
https://www.notebookcheck.net/OnePlus-10-MediaTek-Dimensity-9000-powered-flagship-smartphone-slated-for-a-limited-release.612575.0.html