This article talks about OnePlus OxygenOS updates rollout 11.0.8.12 & 11.0.8.11 for 8T, 11.2.1.1 for 9R 5G, & 11.2.4.4 for 9 & 9 Pro phones.
OnePlus Oxygen OS update
This article talks about the newly released OxygenOS 11.0.3.4 update for the OnePlus 8T phones, its features and highlights