Updating release 20 -> release 21 in docs and docstrings.

Author: miguelalonsojr

colab/Colab_UnityEnvironment_1_Run.ipynb

@@ -32,7 +32,7 @@
    },
    "source": [
     "# ML-Agents Open a UnityEnvironment\n",
-    "<img src=\"https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/images/image-banner.png?raw=true\" align=\"middle\" width=\"435\"/>"
+    "<img src=\"https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/images/image-banner.png?raw=true\" align=\"middle\" width=\"435\"/>"
    ]
   },
   {
@@ -149,7 +149,7 @@
     "  import mlagents\n",
     "  print(\"ml-agents already installed\")\n",
     "except ImportError:\n",
-    "  !python -m pip install -q mlagents==0.30.0\n",
+    "  !python -m pip install -q mlagents==1.0.0\n",
     "  print(\"Installed ml-agents\")"
    ],
    "execution_count": 1,

colab/Colab_UnityEnvironment_2_Train.ipynb

@@ -22,7 +22,7 @@
    },
    "source": [
     "# ML-Agents Q-Learning with GridWorld\n",
-    "<img src=\"https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/images/gridworld.png?raw=true\" align=\"middle\" width=\"435\"/>"
+    "<img src=\"https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/images/gridworld.png?raw=true\" align=\"middle\" width=\"435\"/>"
    ]
   },
   {
@@ -152,7 +152,7 @@
     "  import mlagents\n",
     "  print(\"ml-agents already installed\")\n",
     "except ImportError:\n",
-    "  !python -m pip install -q mlagents==0.30.0\n",
+    "  !python -m pip install -q mlagents==1.0.0\n",
     "  print(\"Installed ml-agents\")"
    ],
    "execution_count": 2,
@@ -190,7 +190,7 @@
     "id": "pZhVRfdoyPmv"
    },
    "source": [
-    "The [GridWorld](https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/Learning-Environment-Examples.md#gridworld) Environment is a simple Unity visual environment. The Agent is a blue square in a 3x3 grid that is trying to reach a green __`+`__ while avoiding a red __`x`__.\n",
+    "The [GridWorld](https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/Learning-Environment-Examples.md#gridworld) Environment is a simple Unity visual environment. The Agent is a blue square in a 3x3 grid that is trying to reach a green __`+`__ while avoiding a red __`x`__.\n",
     "\n",
     "The observation is an image obtained by a camera on top of the grid.\n",
     "\n",

colab/Colab_UnityEnvironment_3_SideChannel.ipynb

@@ -23,7 +23,7 @@
    },
    "source": [
     "# ML-Agents Use SideChannels\n",
-    "<img src=\"https://raw.githubusercontent.com/Unity-Technologies/ml-agents/release_20_docs/docs/images/3dball_big.png\" align=\"middle\" width=\"435\"/>"
+    "<img src=\"https://raw.githubusercontent.com/Unity-Technologies/ml-agents/release_21_docs/docs/images/3dball_big.png\" align=\"middle\" width=\"435\"/>"
    ]
   },
   {
@@ -153,7 +153,7 @@
     "  import mlagents\n",
     "  print(\"ml-agents already installed\")\n",
     "except ImportError:\n",
-    "  !python -m pip install -q mlagents==0.30.0\n",
+    "  !python -m pip install -q mlagents==1.0.0\n",
     "  print(\"Installed ml-agents\")"
    ],
    "execution_count": 2,
@@ -176,7 +176,7 @@
     "## Side Channel\n",
     "\n",
     "SideChannels are objects that can be passed to the constructor of a UnityEnvironment or the `make()` method of a registry entry to send non Reinforcement Learning related data.\n",
-    "More information available [here](https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/Python-API.md#communicating-additional-information-with-the-environment)\n",
+    "More information available [here](https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/Python-API.md#communicating-additional-information-with-the-environment)\n",
     "\n",
     "\n",
     "\n"
@@ -189,7 +189,7 @@
    },
    "source": [
     "### Engine Configuration SideChannel\n",
-    "The [Engine Configuration Side Channel](https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/Python-API.md#engineconfigurationchannel) is used to configure how the Unity Engine should run.\n",
+    "The [Engine Configuration Side Channel](https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/Python-API.md#engineconfigurationchannel) is used to configure how the Unity Engine should run.\n",
     "We will use the GridWorld environment to demonstrate how to use the EngineConfigurationChannel."
    ]
   },
@@ -282,7 +282,7 @@
    },
    "source": [
     "### Environment Parameters Channel\n",
-    "The [Environment Parameters Side Channel](https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/Python-API.md#environmentparameters) is used to modify environment parameters during the simulation.\n",
+    "The [Environment Parameters Side Channel](https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/Python-API.md#environmentparameters) is used to modify environment parameters during the simulation.\n",
     "We will use the GridWorld environment to demonstrate how to use the EngineConfigurationChannel."
    ]
   },
@@ -419,7 +419,7 @@
    },
    "source": [
     "### Creating your own Side Channels\n",
-    "You can send various kinds of data between a Unity Environment and Python but you will need to [create your own implementation of a Side Channel](https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/Custom-SideChannels.md#custom-side-channels) for advanced use cases.\n"
+    "You can send various kinds of data between a Unity Environment and Python but you will need to [create your own implementation of a Side Channel](https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/Custom-SideChannels.md#custom-side-channels) for advanced use cases.\n"
    ]
   },
   {

colab/Colab_UnityEnvironment_4_SB3VectorEnv.ipynb

@@ -7,7 +7,7 @@
    },
    "source": [
     "# ML-Agents run with Stable Baselines 3\n",
-    "<img src=\"https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/images/image-banner.png?raw=true\" align=\"middle\" width=\"435\"/>"
+    "<img src=\"https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/images/image-banner.png?raw=true\" align=\"middle\" width=\"435\"/>"
    ]
   },
   {
@@ -127,7 +127,7 @@
     "  import mlagents\n",
     "  print(\"ml-agents already installed\")\n",
     "except ImportError:\n",
-    "  !python -m pip install -q mlagents==0.30.0\n",
+    "  !python -m pip install -q mlagents==1.0.0\n",
     "  print(\"Installed ml-agents\")"
    ]
   },

com.unity.ml-agents.extensions/Documentation~/com.unity.ml-agents.extensions.md

@@ -28,24 +28,24 @@ The ML-Agents Extensions package is not currently available in the Package Manag
 recommended ways to install the package:
 
 ### Local Installation
-[Clone the repository](https://github.com/Unity-Technologies/ml-agents/tree/release_20_docs/docs/Installation.md#clone-the-ml-agents-toolkit-repository-optional) and follow the
-[Local Installation for Development](https://github.com/Unity-Technologies/ml-agents/tree/release_20_docs/docs/Installation.md#advanced-local-installation-for-development-1)
+[Clone the repository](https://github.com/Unity-Technologies/ml-agents/tree/release_21_docs/docs/Installation.md#clone-the-ml-agents-toolkit-repository-optional) and follow the
+[Local Installation for Development](https://github.com/Unity-Technologies/ml-agents/tree/release_21_docs/docs/Installation.md#advanced-local-installation-for-development-1)
 directions (substituting `com.unity.ml-agents.extensions` for the package name).
 
 ### Github via Package Manager
 In Unity 2019.4 or later, open the Package Manager, hit the "+" button, and select "Add package from git URL".
 
-![Package Manager git URL](https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/images/unity_package_manager_git_url.png)
+![Package Manager git URL](https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/images/unity_package_manager_git_url.png)
 
 In the dialog that appears, enter
  ```
-git+https://github.com/Unity-Technologies/ml-agents.git?path=com.unity.ml-agents.extensions#release_20
+git+https://github.com/Unity-Technologies/ml-agents.git?path=com.unity.ml-agents.extensions#release_21
 ```
 
 You can also edit your project's `manifest.json` directly and add the following line to the `dependencies`
 section:
 ```
-"com.unity.ml-agents.extensions": "git+https://github.com/Unity-Technologies/ml-agents.git?path=com.unity.ml-agents.extensions#release_20",
+"com.unity.ml-agents.extensions": "git+https://github.com/Unity-Technologies/ml-agents.git?path=com.unity.ml-agents.extensions#release_21",
 ```
 See [Git dependencies](https://docs.unity3d.com/Manual/upm-git.html#subfolder) for more information. Note that this
 may take several minutes to resolve the packages the first time that you add it.
@@ -67,4 +67,4 @@ If using the `InputActuatorComponent`
     - No way to customize the action space of the `InputActuatorComponent`
 
 ## Need Help?
-The main [README](https://github.com/Unity-Technologies/ml-agents/tree/release_20_docs/README.md) contains links for contacting the team or getting support.
+The main [README](https://github.com/Unity-Technologies/ml-agents/tree/release_21_docs/README.md) contains links for contacting the team or getting support.

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

@@ -1,11 +1,11 @@
 {
   "name": "com.unity.ml-agents.extensions",
   "displayName": "ML Agents Extensions",
-  "version": "0.6.1-preview",
+  "version": "0.6.1-exp.1",
   "unity": "2022.3",
   "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": "3.0.0-exp.1",
     "com.unity.modules.physics": "1.0.0"
   }
 }

com.unity.ml-agents/Documentation~/com.unity.ml-agents.md

@@ -61,28 +61,28 @@ With the changes to Unity Package Manager in 2021, experimental packages will no
 
 In Unity 2019.4 or later, open the Package Manager, hit the "+" button, and select "Add package from git URL".
 
-![Package Manager git URL](https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/images/unity_package_manager_git_url.png)
+![Package Manager git URL](https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/images/unity_package_manager_git_url.png)
 
 In the dialog that appears, enter
 
 ```
-git+https://github.com/Unity-Technologies/ml-agents.git?path=com.unity.ml-agents#release_20
+git+https://github.com/Unity-Technologies/ml-agents.git?path=com.unity.ml-agents#release_21
 ```
 
 You can also edit your project's `manifest.json` directly and add the following line to the `dependencies`
 section:
 
 ```
-"com.unity.ml-agents": "git+https://github.com/Unity-Technologies/ml-agents.git?path=com.unity.ml-agents#release_20",
+"com.unity.ml-agents": "git+https://github.com/Unity-Technologies/ml-agents.git?path=com.unity.ml-agents#release_21",
 ```
 
 See [Git dependencies](https://docs.unity3d.com/Manual/upm-git.html#subfolder) for more information. Note that this
 may take several minutes to resolve the packages the first time that you add it.
 
 #### Local Installation for Development
 
-[Clone the repository](https://github.com/Unity-Technologies/ml-agents/tree/release_20_docs/docs/Installation.md#clone-the-ml-agents-toolkit-repository-optional) and follow the
-[Local Installation for Development](https://github.com/Unity-Technologies/ml-agents/tree/release_20_docs/docs/Installation.md#advanced-local-installation-for-development-1) directions.
+[Clone the repository](https://github.com/Unity-Technologies/ml-agents/tree/release_21_docs/docs/Installation.md#clone-the-ml-agents-toolkit-repository-optional) and follow the
+[Local Installation for Development](https://github.com/Unity-Technologies/ml-agents/tree/release_21_docs/docs/Installation.md#advanced-local-installation-for-development-1) directions.
 
 ## Requirements
 
@@ -154,10 +154,10 @@ Please refer to "Information that is passively collected by Unity" in the
 [unity ML-Agents Toolkit]: https://github.com/Unity-Technologies/ml-agents
 [unity inference engine]: https://docs.unity3d.com/Packages/com.unity.sentis@latest/index.html
 [package manager documentation]: https://docs.unity3d.com/Manual/upm-ui-install.html
-[installation instructions]: https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/Installation.md
+[installation instructions]: https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/Installation.md
 [github repository]: https://github.com/Unity-Technologies/ml-agents
 [python package]: https://github.com/Unity-Technologies/ml-agents
 [execution order of event functions]: https://docs.unity3d.com/Manual/ExecutionOrder.html
 [connect with us]: https://github.com/Unity-Technologies/ml-agents#community-and-feedback
 [ml-agents forum]: https://forum.unity.com/forums/ml-agents.453/
-[ML-Agents GitHub repo]: https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/com.unity.ml-agents.extensions
+[ML-Agents GitHub repo]: https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/com.unity.ml-agents.extensions

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

@@ -20,7 +20,7 @@
  * API. For more information on each of these entities, in addition to how to
  * set-up a learning environment and train the behavior of characters in a
  * Unity scene, please browse our documentation pages on GitHub:
- * https://github.com/Unity-Technologies/ml-agents/tree/release_20_docs/docs/
+ * https://github.com/Unity-Technologies/ml-agents/tree/release_21_docs/docs/
  */
 
 namespace Unity.MLAgents
@@ -61,7 +61,7 @@ void FixedUpdate()
     /// fall back to inference or heuristic decisions. (You can also set agents to always use
     /// inference or heuristics.)
     /// </remarks>
-    [HelpURL("https://github.com/Unity-Technologies/ml-agents/tree/release_20_docs/" +
+    [HelpURL("https://github.com/Unity-Technologies/ml-agents/tree/release_21_docs/" +
         "docs/Learning-Environment-Design.md")]
     public class Academy : IDisposable
     {
@@ -107,7 +107,7 @@ public class Academy : IDisposable
         /// 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 = "3.0.0-exp.1";
 
         const int k_EditorTrainingPort = 5004;
 

com.unity.ml-agents/Runtime/Actuators/IActionReceiver.cs

@@ -184,7 +184,7 @@ public interface IActionReceiver
         ///
         /// See [Agents - Actions] for more information on masking actions.
         ///
-        /// [Agents - Actions]: https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/Learning-Environment-Design-Agents.md#actions
+        /// [Agents - Actions]: https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/Learning-Environment-Design-Agents.md#actions
         /// </remarks>
         /// <seealso cref="IActionReceiver.OnActionReceived"/>
         void WriteDiscreteActionMask(IDiscreteActionMask actionMask);

com.unity.ml-agents/Runtime/Actuators/IDiscreteActionMask.cs

@@ -16,7 +16,7 @@ public interface IDiscreteActionMask
         ///
         /// See [Agents - Actions] for more information on masking actions.
         ///
-        /// [Agents - Actions]: https://github.com/Unity-Technologies/ml-agents/blob/release_20_docs/docs/Learning-Environment-Design-Agents.md#masking-discrete-actions
+        /// [Agents - Actions]: https://github.com/Unity-Technologies/ml-agents/blob/release_21_docs/docs/Learning-Environment-Design-Agents.md#masking-discrete-actions
         /// </remarks>
         /// <param name="branch">The branch for which the actions will be masked.</param>
         /// <param name="actionIndex">Index of the action.</param>