chore: release version 4.1.3 (#18)

Author: OnestarLee

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## 4.1.3 (Feb 4, 2026)
+### Bug Fixes
+- Fixed WebGL memory issue by optimizing JSON parsing for message deserialization
+
 ## 4.1.2 (Nov 3, 2025)
 ### Improvements
 - Removed unnecessary URL encoding from SB-SDK-User-Agent header

Runtime/Scripts/Internal/Command/DataTransferObject/Message/BaseMessageDto.cs

@@ -142,7 +142,7 @@ internal static BaseMessageDto JsonStringToMessageDto(string inJsonString)
 
             try
             {
-                return JObjectToMessageDto(JObject.Parse(inJsonString));
+                return JsonStringToMessageDtoDirectDeserialize(inJsonString);
             }
             catch (Exception exception)
             {
@@ -151,6 +151,32 @@ internal static BaseMessageDto JsonStringToMessageDto(string inJsonString)
             }
         }
 
+        private static BaseMessageDto JsonStringToMessageDtoDirectDeserialize(string inJsonString)
+        {
+            string typeString = NewtonsoftJsonExtension.ExtractTypeField(inJsonString);
+            if (string.IsNullOrEmpty(typeString))
+                return null;
+
+            WsCommandType wsCommandType = WsCommandTypeExtension.JsonNameToType(typeString);
+            if (wsCommandType == WsCommandType.UserMessage || wsCommandType == WsCommandType.UpdateUserMessage)
+            {
+                return UserMessageDto.DeserializeFromJson(inJsonString);
+            }
+
+            if (wsCommandType == WsCommandType.FileMessage || wsCommandType == WsCommandType.UpdateFileMessage)
+            {
+                return FileMessageDto.DeserializeFromJson(inJsonString);
+            }
+
+            if (wsCommandType == WsCommandType.AdminMessage || wsCommandType == WsCommandType.UpdateAdminMessage)
+            {
+                return AdminMessageDto.DeserializeFromJson(inJsonString);
+            }
+
+            Logger.Warning(Logger.CategoryType.Command, $"Invalid message type:{typeString} json:{inJsonString}");
+            return null;
+        }
+
         internal static BaseMessageDto JObjectToMessageDto(JObject inJObject)
         {
             if (inJObject == null)

Runtime/Scripts/Internal/Common/Json/NewtonsoftJsonExtension.cs

@@ -1,11 +1,11 @@
-// 
+//
 //  Copyright (c) 2022 Sendbird, Inc.
-// 
+//
 
 using System;
+using System.IO;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
-using Newtonsoft.Json.Serialization;
 
 namespace Sendbird.Chat
 {
@@ -95,10 +95,46 @@ internal static TObject ToPropertyValueIgnoreException<TObject>(this JObject inJ
             return inDefaultIfFailed;
         }
 
-        private static void OnSerializerSettingsErrorHandler(object inSender, ErrorEventArgs inErrorEventArgs)
+        private static void OnSerializerSettingsErrorHandler(object inSender, Newtonsoft.Json.Serialization.ErrorEventArgs inErrorEventArgs)
         {
             Logger.Warning(Logger.CategoryType.Json, $"OnSerializerSettingsErrorHandler exception:{inErrorEventArgs.ErrorContext.Error.Message}");
             inErrorEventArgs.ErrorContext.Handled = true;
         }
+
+        internal static JObject ParseToJObject(string inJsonString)
+        {
+            if (string.IsNullOrEmpty(inJsonString))
+            {
+                return null;
+            }
+
+            return JObject.Parse(inJsonString);
+        }
+
+        internal static string ExtractTypeField(string inJsonString)
+        {
+            if (string.IsNullOrEmpty(inJsonString))
+            {
+                return null;
+            }
+
+            using (StringReader stringReader = new StringReader(inJsonString))
+            using (JsonTextReader jsonReader = new JsonTextReader(stringReader))
+            {
+                while (jsonReader.Read())
+                {
+                    if (jsonReader.TokenType == JsonToken.PropertyName &&
+                        string.Equals(jsonReader.Value as string, "type", StringComparison.Ordinal))
+                    {
+                        if (jsonReader.Read() && jsonReader.TokenType == JsonToken.String)
+                        {
+                            return jsonReader.Value as string;
+                        }
+                    }
+                }
+            }
+
+            return null;
+        }
     }
-}
+}

Runtime/Scripts/UnityPlatform/UnityPlatformApplication.cs

@@ -11,7 +11,7 @@ internal class UnityPlatformApplication : IPlatformApplication
     {
         // NOTE: This version is automatically updated by the PublishPackage workflow during deployment.
         // Only update manually when making releases outside of the automated workflow.
-        string IPlatformApplication.SdkVersion => "4.1.2";
+        string IPlatformApplication.SdkVersion => "4.1.3";
         string IPlatformApplication.PlatformName => "Unity";
         string IPlatformApplication.PlatformVersion => Application.unityVersion;
         string IPlatformApplication.OsName => Application.platform.ToString();

package.json

@@ -1,7 +1,7 @@
 {
   "name": "com.sendbird.chat",
   "displayName": "SendbirdChat",
-  "version": "4.1.2",
+  "version": "4.1.3",
   "documentationUrl": "https://github.com/sendbird/sendbird-chat-sdk-unity",
   "changelogUrl": "https://github.com/sendbird/sendbird-chat-sdk-unity/blob/master/CHANGELOG.md",
   "licensesUrl": "https://github.com/sendbird/sendbird-chat-sdk-unity/blob/master/LICENSE.md",