OnePlus' next series of flagship Android smartphones for the international market is thought to consist of the 13 and 13R, one of which is now also tipped to launch with the OEM's biggest and highest-res displays for next-gen devices. On the other hand, the other is believed to switch to a Pixel 9-esque flat display instead. https://www.notebookcheck.net/OnePlus-13R-but-not-13-might-launch-with-flat-display.876571.0.html
The render looks fine but existing "micro-quad curved" screens look just like curved screens.