the color green to rule them all

dist/preview release/what's new.md

@@ -212,6 +212,7 @@
 - XR's main camera uses the first eye's projection matrix ([#8944](https://github.com/BabylonJS/Babylon.js/issues/8944)) ([RaananW](https://github.com/RaananW))
 - pointerX and pointerY of the scene are now updated when using the pointer selection feature ([#8879](https://github.com/BabylonJS/Babylon.js/issues/8879)) ([RaananW](https://github.com/RaananW))
 - XR tracking state was added to the camera ([#9076](https://github.com/BabylonJS/Babylon.js/issues/9076)) ([RaananW](https://github.com/RaananW))
+- Individual post processing can be applied to the XR rig cameras ([#9038](https://github.com/BabylonJS/Babylon.js/issues/9038)) ([RaananW](https://github.com/RaananW))
 
 ### Collisions