https://wccftech.com/oneplus-announces-final-developer-preview-for-oxygenos-based-on-android-11/

OnePlus is has announced the final developer preview for its Android 11-based OxygenOS. The company introduced several major changes in HydrogenOS recently, but the variant of the software was not available on all OnePlus phones. Now, it looks like all of these changes are making their way to OxygenOS.

OnePlus has announced the launch of its upcoming third and final developer preview for OxygenOS based on Android 11. The changelog mentions the transition of changes brought to HydrogenOS and their way to OxygenOS. If you're looking for visual design changes, you will be pleased to know that they are part of the mix as well.