diff --git a/build/Version.props b/build/Version.props
index 01d822a7b2..1fcd4953c8 100644
--- a/build/Version.props
+++ b/build/Version.props
@@ -6,7 +6,7 @@
     <TgsConfigVersion>2.0.0</TgsConfigVersion>
     <TgsApiVersion>7.1.0</TgsApiVersion>
     <TgsClientVersion>8.1.0</TgsClientVersion>
-    <TgsDmapiVersion>5.2.2</TgsDmapiVersion>
+    <TgsDmapiVersion>5.2.3</TgsDmapiVersion>
     <TgsControlPanelVersion>0.4.0</TgsControlPanelVersion>
     <TgsHostWatchdogVersion>1.1.0</TgsHostWatchdogVersion>
   </PropertyGroup>
diff --git a/src/DMAPI/tgs.dm b/src/DMAPI/tgs.dm
index d0cf1618a6..35d9dbefbd 100644
--- a/src/DMAPI/tgs.dm
+++ b/src/DMAPI/tgs.dm
@@ -1,6 +1,6 @@
 // tgstation-server DMAPI
 
-#define TGS_DMAPI_VERSION "5.2.2"
+#define TGS_DMAPI_VERSION "5.2.3"
 
 // All functions and datums outside this document are subject to change with any version and should not be relied on.
 
diff --git a/src/DMAPI/tgs/v3210/api.dm b/src/DMAPI/tgs/v3210/api.dm
index e0d00ad15d..96499fb0a6 100644
--- a/src/DMAPI/tgs/v3210/api.dm
+++ b/src/DMAPI/tgs/v3210/api.dm
@@ -180,7 +180,7 @@
 	ExportService(SERVICE_REQUEST_KILL_PROCESS)
 
 /datum/tgs_api/v3210/ChatChannelInfo()
-	return list()
+	return list() // :omegalul:
 
 /datum/tgs_api/v3210/ChatBroadcast(message, list/channels)
 	if(channels)
diff --git a/src/DMAPI/tgs/v4/api.dm b/src/DMAPI/tgs/v4/api.dm
index 5e7f3c60be..d58cec0936 100644
--- a/src/DMAPI/tgs/v4/api.dm
+++ b/src/DMAPI/tgs/v4/api.dm
@@ -257,7 +257,7 @@
 	return instance_name
 
 /datum/tgs_api/v4/TestMerges()
-	return cached_test_merges
+	return cached_test_merges.Copy()
 
 /datum/tgs_api/v4/EndProcess()
 	Export(TGS4_COMM_END_PROCESS)
diff --git a/src/DMAPI/tgs/v5/api.dm b/src/DMAPI/tgs/v5/api.dm
index 3791cbde84..6a7f2414e1 100644
--- a/src/DMAPI/tgs/v5/api.dm
+++ b/src/DMAPI/tgs/v5/api.dm
@@ -16,7 +16,7 @@
 	var/list/chat_channels
 
 /datum/tgs_api/v5/ApiVersion()
-	return new /datum/tgs_version("5.2.2")
+	return new /datum/tgs_version("5.2.3")
 
 /datum/tgs_api/v5/OnWorldNew(minimum_required_security_level)
 	server_port = world.params[DMAPI5_PARAM_SERVER_PORT]
@@ -284,7 +284,7 @@
 
 /datum/tgs_api/v5/TestMerges()
 	RequireInitialBridgeResponse()
-	return test_merges
+	return test_merges.Copy()
 
 /datum/tgs_api/v5/EndProcess()
 	Bridge(DMAPI5_BRIDGE_COMMAND_KILL)
@@ -329,7 +329,7 @@
 
 /datum/tgs_api/v5/ChatChannelInfo()
 	RequireInitialBridgeResponse()
-	return chat_channels
+	return chat_channels.Copy()
 
 /datum/tgs_api/v5/proc/DecodeChannels(chat_update_json)
 	var/list/chat_channels_json = chat_update_json[DMAPI5_CHAT_UPDATE_CHANNELS]
diff --git a/src/Tgstation.Server.Host/Components/Interop/DMApiConstants.cs b/src/Tgstation.Server.Host/Components/Interop/DMApiConstants.cs
index d91d5bdbf7..1dc6e31381 100644
--- a/src/Tgstation.Server.Host/Components/Interop/DMApiConstants.cs
+++ b/src/Tgstation.Server.Host/Components/Interop/DMApiConstants.cs
@@ -33,7 +33,7 @@ namespace Tgstation.Server.Host.Components.Interop
 		/// <summary>
 		/// The DMAPI <see cref="Version"/> being used.
 		/// </summary>
-		public static readonly Version Version = new Version(5, 2, 2);
+		public static readonly Version Version = new Version(5, 2, 3);
 
 		/// <summary>
 		/// <see cref="JsonSerializerSettings"/> for use when communicating with the DMAPI.