OnePlus has actually been doing a respectable task with upgrading its flagships, although a few of the updates that have actually been released recently have introduced more concerns than repairs.
The most recent OxygenOS upgrade for OnePlus 8 and 8 Pro was indicated to attend to some green-tint concerns, but it made some units get too hot and the battery life dropped substantially.
We’re pretty sure that OnePlus will resolve these problems in future upgrade