add unreleased section to changelog

com.unity.ml-agents.extensions/package.json

@@ -5,7 +5,7 @@
   "unity": "2021.3",
   "description": "A source-only package for new features based on ML-Agents",
   "dependencies": {
-    "com.unity.ml-agents": "2.3.0-exp.4",
+    "com.unity.ml-agents": "2.3.0-exp.3",
     "com.unity.modules.physics": "1.0.0"
   }
 }

com.unity.ml-agents/CHANGELOG.md

@@ -6,6 +6,23 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to
 [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+### Major Changes
+#### com.unity.ml-agents / com.unity.ml-agents.extensions (C#)
+
+#### ml-agents / ml-agents-envs
+
+### Minor Changes
+#### com.unity.ml-agents / com.unity.ml-agents.extensions (C#)
+
+#### ml-agents / ml-agents-envs
+
+
+### Bug Fixes
+#### com.unity.ml-agents / com.unity.ml-agents.extensions (C#)
+#### ml-agents / ml-agents-envs
+
+
 ## [2.3.0-exp.3] - 2022-11-21
 ### Major Changes
 #### com.unity.ml-agents / com.unity.ml-agents.extensions (C#)

com.unity.ml-agents/Runtime/Academy.cs

@@ -107,7 +107,7 @@ namespace Unity.MLAgents
         /// Unity package version of com.unity.ml-agents.
         /// This must match the version string in package.json and is checked in a unit test.
         /// </summary>
-        internal const string k_PackageVersion = "2.3.0-exp.4";
+        internal const string k_PackageVersion = "2.3.0-exp.3";
 
         const int k_EditorTrainingPort = 5004;
 

com.unity.ml-agents/package.json

@@ -1,7 +1,7 @@
 {
   "name": "com.unity.ml-agents",
   "displayName": "ML Agents",
-  "version": "2.3.0-exp.4",
+  "version": "2.3.0-exp.3",
   "unity": "2021.3",
   "description": "Use state-of-the-art machine learning to create intelligent character behaviors in any Unity environment (games, robotics, film, etc.).",
   "dependencies": {