OnePlus is pushing out new Oxygen OS OTA update to OnePlus 5T devices from today. The firmware code is OxygenOS 4.7.4 which is 285 MB in size.
As per changelog, it brings improved camera UI, with some system related optimization.With this update, there is improved image quality and also camera UI issues has been fixed.
Apart from that, it has optimized Vibration, Audio, face unlocks, Battery usage and wifi.They have also improved the performance of Fingerprint scanner and GPS.