Update CHANGELOG.md

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -28,6 +28,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Added a Falloff Mode (Linear or Exponential) in the Density Volume for volume blending with Blend Distance.
 - Added support for screen space shadows (directional and point, no area) for shadow matte unlit shader graph.
 - Added support for volumetric clouds in planar reflections.
+- Added deferred shading debug visualization
+- Added a new control slider on RTR and RTGI to force the LOD Bias on both effects.
+- Added missing documentation for volumetric clouds.
+- Added the support of interpolators for SV_POSITION in shader graph.
+- Added a "Conservative" mode for shader graph depth offset.
 - Added an error message when trying to use disk lights with realtime GI (case 1317808).
 
 ### Fixed