No, OnePlus never gives any information about updates and when they will be released so there's no exact date for the release of Oxygen OS12 based on Android 12. This is all that's known about oxygen OS 12 so far
Please use the search before creating a new thread, there are similar threads already open and answered.
Android 12 is still under development for your device model, it will be released when it is ready. There is no ETA.
Please read and use this threads for further discussion
SoOP May 2022 - Reflection
by hennes, 2022-05-01