The new build version of OxygenOS 11.2.3 for the OnePlus 9 series smartphones are OnePlus 9 and OnePlus 9 Pro.
The update changelog is smaller with mainly focusing on improving camera quality and battery extended optimizations with a fix of overheating. Both the OnePlus 9, 9 Pro models should offer stabilized 5G network connectivity and reduced power-draining for longer battery life along with some bugs UI fixes.
The OnePlus 9 Pro changelog on OxygenOS 126.96.36.199.LE15DA in the description
- Improved the power consumption performance to extend the battery life.
- Fixed known issues and improved system stability.
- Improved the shooting and recording experience.
- Improved the stability of telecommunication functions.
- Improved the WLAN transmission performance and stability.
The Oxygen OS 11.2.3 version has update size 103MB only. The update will be pushed to every OnePlus 9 and OnePlus 9 Pro users today. You may check it via system > update.