amazon-gamelift · fzehao · Jun 18, 2026 · Dec 1, 2023 · Dec 20, 2023 · Dec 20, 2023
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,8 @@
 CHANGELOG
 
+# 3.3.0 (06/18/2026)
+- Adds the ListContainersNetworkInfo() server SDK action to retrieve network information for all containers running on the same instance of a managed container fleet, enabling container-to-container discovery.
+
 # 3.2.1 (02/24/2026)
 - Adds support for Unity 6.3 LTS to the plugin and server SDK.
 - Adds Windows Server 2022 as a new operating system option in the deployment UI for managed EC2 fleets.

diff --git a/GameLiftPlugin/Editor/Resources/CloudFormation/scenario1_single_fleet/cloudformation.yml b/GameLiftPlugin/Editor/Resources/CloudFormation/scenario1_single_fleet/cloudformation.yml
@@ -411,7 +411,7 @@ Resources:
         Key: !Ref BuildS3KeyParameter
         RoleArn: !GetAtt BuildAccessRole.Arn
       Version: !Ref BuildVersionParameter
-      ServerSdkVersion: 5.4.0
+      ServerSdkVersion: 5.5.0
 
   FleetResource:
     Type: "AWS::GameLift::Fleet"

diff --git a/GameLiftPlugin/Editor/Resources/CloudFormation/scenario2_flexmatch/cloudformation.yml b/GameLiftPlugin/Editor/Resources/CloudFormation/scenario2_flexmatch/cloudformation.yml
@@ -640,7 +640,7 @@ Resources:
         Key: !Ref BuildS3KeyParameter
         RoleArn: !GetAtt BuildAccessRole.Arn
       Version: !Ref BuildVersionParameter
-      ServerSdkVersion: 5.4.0
+      ServerSdkVersion: 5.5.0
 
   FlexMatchStatusPollerLambdaPermission:
     Type: "AWS::Lambda::Permission"

diff --git a/...ugin/Editor/Resources/CloudFormation/scenario3_containers_single_fleet/cloudformation.yml b/...ugin/Editor/Resources/CloudFormation/scenario3_containers_single_fleet/cloudformation.yml
@@ -370,7 +370,7 @@ Resources:
       GameServerContainerDefinition: 
         ContainerName: !Ref ContainerImageNameParameter
         ImageUri: !Ref ContainerImageUriParameter
-        ServerSdkVersion: "5.4.0"
+        ServerSdkVersion: "5.5.0"
         PortConfiguration:
           ContainerPortRanges:
             - FromPort: !Ref FleetTcpFromPortParameter

diff --git a/...tPlugin/Editor/Resources/CloudFormation/scenario4_containers_flexmatch/cloudformation.yml b/...tPlugin/Editor/Resources/CloudFormation/scenario4_containers_flexmatch/cloudformation.yml
@@ -596,7 +596,7 @@ Resources:
       GameServerContainerDefinition: 
         ContainerName: !Ref ContainerImageNameParameter
         ImageUri: !Ref ContainerImageUriParameter
-        ServerSdkVersion: "5.4.0"
+        ServerSdkVersion: "5.5.0"
         PortConfiguration:
           ContainerPortRanges:
             - FromPort: !Ref FleetTcpFromPortParameter

diff --git a/GameLiftPlugin/Resources/GameLiftPackageInfo.asset b/GameLiftPlugin/Resources/GameLiftPackageInfo.asset
@@ -13,4 +13,4 @@ MonoBehaviour:
   m_Name: GameLiftPackageInfo
   m_EditorClassIdentifier: 
   pluginName: Unity3D_com.amazonaws.gamelift
-  version: 3.2.1
+  version: 3.3.0
diff --git a/GameLiftPlugin/package.json b/GameLiftPlugin/package.json
@@ -2,7 +2,7 @@
   "name": "com.amazonaws.gamelift",
   "displayName": "Amazon GameLift Plugin for Unity",
   "author": "Amazon.com, Inc.",
-  "version": "3.2.1",
+  "version": "3.3.0",
   "unity": "2021.3",
   "description": "The Amazon GameLift Plugin for Unity contains libraries and native UI that makes it easier to access GameLift resources and integrate GameLift into your Unity game. You can use the GameLift Unity Plugin to access GameLift APIs and deploy AWS CloudFormation templates for common gaming scenarios.",
   "documentationUrl": "https://docs.aws.amazon.com/gamelift/latest/developerguide/unity-plug-in.html",

diff --git a/GameLiftServerSDK/Resources/GameLiftCSharpSdkPackageInfo.asset b/GameLiftServerSDK/Resources/GameLiftCSharpSdkPackageInfo.asset
@@ -13,4 +13,4 @@ MonoBehaviour:
   m_Name: GameLiftCSharpSdkPackageInfo
   m_EditorClassIdentifier: AmazonGameLiftSDKPlugin.Runtime:AmazonGameLift.Runtime:GameLiftCSharpSdkPackageInfo
   pluginName: Unity3D_com.amazonaws.gameliftserver.sdk
-  version: 5.4.0
+  version: 5.5.0
diff --git a/GameLiftServerSDK/Runtime/Core/Common/ListContainersNetworkInfoOutcome.cs.meta b/GameLiftServerSDK/Runtime/Core/Common/ListContainersNetworkInfoOutcome.cs.meta
diff --git a/GameLiftServerSDK/Runtime/Core/Server/Model/ContainerNetworkInfo.cs.meta b/GameLiftServerSDK/Runtime/Core/Server/Model/ContainerNetworkInfo.cs.meta
diff --git a/GameLiftServerSDK/Runtime/Core/Server/Model/Result/ListContainersNetworkInfoResult.cs.meta b/GameLiftServerSDK/Runtime/Core/Server/Model/Result/ListContainersNetworkInfoResult.cs.meta
diff --git a/GameLiftServerSDK/package.json b/GameLiftServerSDK/package.json
@@ -2,7 +2,7 @@
     "name": "com.amazonaws.gameliftserver.sdk",
     "displayName": "Amazon GameLift Server SDK",
     "author": "Amazon.com, Inc.",
-    "version": "5.4.0",
+    "version": "5.5.0",
     "unity": "2020.3",
     "description": "The Amazon GameLift Server SDK Plugin for Unity contains source code to integrate Unity based game servers with the Amazon GameLift service.",
     "documentationUrl": "https://aws.amazon.com/documentation/gamelift",

diff --git a/GameLiftServerSDK/release-notes/5.5.0-release-notes.txt.meta b/GameLiftServerSDK/release-notes/5.5.0-release-notes.txt.meta
diff --git a/Scripts/setup_server_sdk.ps1 b/Scripts/setup_server_sdk.ps1
@@ -1,7 +1,7 @@
 # Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 # SPDX-License-Identifier: Apache-2.0
 
-$SERVER_SDK_DOWNLOAD_URL = "https://github.com/amazon-gamelift/amazon-gamelift-servers-csharp-server-sdk/releases/download/v5.4.0/GameLift-CSharp-ServerSDK-5.4.0.zip"
+$SERVER_SDK_DOWNLOAD_URL = "https://github.com/amazon-gamelift/amazon-gamelift-servers-csharp-server-sdk/releases/download/v5.5.0/GameLift-CSharp-ServerSDK-5.5.0.zip"
 $CURRENT_DIRECTORY = Get-Location
 $TEMP_FOLDER_PATH = Join-Path $CURRENT_DIRECTORY "Temp"
 $DOWNLOADS_FOLDER_PATH = Join-Path $TEMP_FOLDER_PATH "downloads"