The OnePlus 8 and 8 Pro are now getting updates that include the August 2020 Android security patches. These updates also fix an overlapping character display issue with the ambient display and optimize the front-facing camera's shooting effect.
The version numbers of these new updates vary a bit depending on which device you have and where in the world you're located. Here's the update versions for the OnePlus 8:
And the OnePlus 8 Pro update version numbers:
One thing that's the same for everyone is that these updates are rolling out incrementally. That means only a small number of OnePlus 8 and 8 Pro owners will get their phone's update right now. A broader rollout will begin in a few days after OnePlus has confirmed that everything is working smoothly.