Updating packge change log and version

com.unity.perception/CHANGELOG.md

 ### Added
 
 ### Changed
-Expanded documentation on the Keypoint Labeler
-Updated Keypoint Labeler logic to only report keypoints for visible objects by default
-Increased color variety in instance segmentation images
 
 ### Deprecated
 
 
+## [0.8.0-preview.3] - 2021-03-24
+### Changed
+
+Expanded documentation on the Keypoint Labeler
+Updated Keypoint Labeler logic to only report keypoints for visible objects by default
+Increased color variety in instance segmentation images
+
+### Fixed
+
+
 
 ## [0.8.0-preview.2] - 2021-03-15
 

com.unity.perception/package.json

   "displayName": "Perception",
   "name": "com.unity.perception",
   "unity": "2019.4",
-  "version": "0.8.0-preview.2",
+  "version": "0.8.0-preview.3",
   "samples": [
     {
       "displayName": "Tutorial Files",