Update what's new.md (#11)

dist/preview release/what's new.md

@@ -29,6 +29,7 @@
 - Effect renderer to render one or multiple shader effects to a texture ([TrevorDev](https://github.com/TrevorDev))
 - Added url parameters to web request modifiers ([PierreLeBlond](https://github.com/PierreLeBlond))
 - Added `VRExperienceHelper.exitVROnDoubleTap` ([Deltakosh](https://github.com/deltakosh/))
+- Added `Scene.getTextureByUniqueID` ([aWeirdo](https://github.com/aWeirdo/))
 
 ### Engine
 - Morph targets now can morph UV channel as well ([Deltakosh](https://github.com/deltakosh/))