diff --git a/lsteamclient/cppISteamNetworkingMessages_SteamNetworkingMessages002.cpp b/lsteamclient/cppISteamNetworkingMessages_SteamNetworkingMessages002.cpp
new file mode 100644
index 00000000..e35bd210
--- /dev/null
+++ b/lsteamclient/cppISteamNetworkingMessages_SteamNetworkingMessages002.cpp
@@ -0,0 +1,42 @@
+#include "steam_defs.h"
+#pragma push_macro("__cdecl")
+#undef __cdecl
+#include "steamworks_sdk_150/steam_api.h"
+#include "steamworks_sdk_150/steamnetworkingtypes.h"
+#include "steamworks_sdk_150/isteamnetworkingmessages.h"
+#pragma pop_macro("__cdecl")
+#include "steamclient_private.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define SDKVER_150
+#include "struct_converters.h"
+#include "cppISteamNetworkingMessages_SteamNetworkingMessages002.h"
+EResult cppISteamNetworkingMessages_SteamNetworkingMessages002_SendMessageToUser(void *linux_side, const SteamNetworkingIdentity * identityRemote, const void * pubData, uint32 cubData, int nSendFlags, int nRemoteChannel)
+{
+    return ((ISteamNetworkingMessages*)linux_side)->SendMessageToUser((const SteamNetworkingIdentity *)identityRemote, (const void *)pubData, (uint32)cubData, (int)nSendFlags, (int)nRemoteChannel);
+}
+
+bool cppISteamNetworkingMessages_SteamNetworkingMessages002_AcceptSessionWithUser(void *linux_side, const SteamNetworkingIdentity * identityRemote)
+{
+    return ((ISteamNetworkingMessages*)linux_side)->AcceptSessionWithUser((const SteamNetworkingIdentity *)identityRemote);
+}
+
+bool cppISteamNetworkingMessages_SteamNetworkingMessages002_CloseSessionWithUser(void *linux_side, const SteamNetworkingIdentity * identityRemote)
+{
+    return ((ISteamNetworkingMessages*)linux_side)->CloseSessionWithUser((const SteamNetworkingIdentity *)identityRemote);
+}
+
+bool cppISteamNetworkingMessages_SteamNetworkingMessages002_CloseChannelWithUser(void *linux_side, const SteamNetworkingIdentity * identityRemote, int nLocalChannel)
+{
+    return ((ISteamNetworkingMessages*)linux_side)->CloseChannelWithUser((const SteamNetworkingIdentity *)identityRemote, (int)nLocalChannel);
+}
+
+ESteamNetworkingConnectionState cppISteamNetworkingMessages_SteamNetworkingMessages002_GetSessionConnectionInfo(void *linux_side, const SteamNetworkingIdentity * identityRemote, SteamNetConnectionInfo_t * pConnectionInfo, SteamNetworkingQuickConnectionStatus * pQuickStatus)
+{
+    return ((ISteamNetworkingMessages*)linux_side)->GetSessionConnectionInfo((const SteamNetworkingIdentity *)identityRemote, (SteamNetConnectionInfo_t *)pConnectionInfo, (SteamNetworkingQuickConnectionStatus *)pQuickStatus);
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/lsteamclient/cppISteamNetworkingMessages_SteamNetworkingMessages002.h b/lsteamclient/cppISteamNetworkingMessages_SteamNetworkingMessages002.h
new file mode 100644
index 00000000..403b027e
--- /dev/null
+++ b/lsteamclient/cppISteamNetworkingMessages_SteamNetworkingMessages002.h
@@ -0,0 +1,6 @@
+extern EResult cppISteamNetworkingMessages_SteamNetworkingMessages002_SendMessageToUser(void *, const SteamNetworkingIdentity *, const void *, uint32, int, int);
+extern int cppISteamNetworkingMessages_SteamNetworkingMessages002_ReceiveMessagesOnChannel(void *, int, winSteamNetworkingMessage_t_150 **, int);
+extern bool cppISteamNetworkingMessages_SteamNetworkingMessages002_AcceptSessionWithUser(void *, const SteamNetworkingIdentity *);
+extern bool cppISteamNetworkingMessages_SteamNetworkingMessages002_CloseSessionWithUser(void *, const SteamNetworkingIdentity *);
+extern bool cppISteamNetworkingMessages_SteamNetworkingMessages002_CloseChannelWithUser(void *, const SteamNetworkingIdentity *, int);
+extern ESteamNetworkingConnectionState cppISteamNetworkingMessages_SteamNetworkingMessages002_GetSessionConnectionInfo(void *, const SteamNetworkingIdentity *, SteamNetConnectionInfo_t *, SteamNetworkingQuickConnectionStatus *);
diff --git a/lsteamclient/gen_wrapper.py b/lsteamclient/gen_wrapper.py
index cfd86d74..e3b6e18d 100755
--- a/lsteamclient/gen_wrapper.py
+++ b/lsteamclient/gen_wrapper.py
@@ -142,6 +142,9 @@ files = [
     ("isteamparentalsettings.h", [
         "ISteamParentalSettings"
     ]),
+    ("isteamnetworkingmessages.h", [
+        "ISteamNetworkingMessages"
+    ]),
     ("isteamnetworkingsockets.h", [
         "ISteamNetworkingSockets"
     ]),
@@ -210,6 +213,9 @@ manually_handled_methods = {
         "cppISteamNetworkingUtils_SteamNetworkingUtils003": [
             "AllocateMessage",
         ],
+        "cppISteamNetworkingMessages_SteamNetworkingMessages002": [
+            "ReceiveMessagesOnChannel"
+        ],
 }
 
 # manual converters for simple types (function pointers)
@@ -859,7 +865,10 @@ def handle_method(cfile, classname, winclassname, cppname, method, cpp, cpp_h, e
 
 def get_iface_version(classname):
     # ISteamClient -> STEAMCLIENT_INTERFACE_VERSION
-    defname = "%s_INTERFACE_VERSION" % classname[1:].upper()
+    if "SteamNetworkingMessages" in classname:
+        defname = "%s_VERSION" % classname[1:].upper()
+    else:
+        defname = "%s_INTERFACE_VERSION" % classname[1:].upper()
     if defname in iface_versions.keys():
         ver = iface_versions[defname]
     else:
@@ -1207,7 +1216,7 @@ for sdkver in sdk_versions:
     for f in os.listdir("steamworks_sdk_%s" % sdkver):
         x = open("steamworks_sdk_%s/%s" % (sdkver, f), "r")
         for l in x:
-            if "INTERFACE_VERSION" in l:
+            if "define STEAM" in l and "_VERSION" in l:
                 result = prog.match(l)
                 if result:
                     iface, version = result.group(1, 2)
diff --git a/lsteamclient/steam_defs.h b/lsteamclient/steam_defs.h
index 41be2581..dbe16dce 100644
--- a/lsteamclient/steam_defs.h
+++ b/lsteamclient/steam_defs.h
@@ -98,7 +98,8 @@ typedef uint32_t EUserUGCList,
         ESteamIPv6ConnectivityState,
         ESteamIPv6ConnectivityProtocol,
         EDurationControlOnlineState,
-        ETextFilteringContext
+        ETextFilteringContext,
+        ESteamNetworkingConnectionState
 ;
 
 /* XXX NO */
diff --git a/lsteamclient/steamclient_manual_150.cpp b/lsteamclient/steamclient_manual_150.cpp
index 3b598fb4..154e7155 100644
--- a/lsteamclient/steamclient_manual_150.cpp
+++ b/lsteamclient/steamclient_manual_150.cpp
@@ -198,4 +198,14 @@ void cppISteamNetworkingSockets_SteamNetworkingSockets009_SendMessages(
     }
 }
 
+int cppISteamNetworkingMessages_SteamNetworkingMessages002_ReceiveMessagesOnChannel(
+        void *linux_side, int nLocalChannel,
+        winSteamNetworkingMessage_t_150 ** ppOutMessages, int nMaxMessages)
+{
+    SteamNetworkingMessage_t *lin_ppOutMessages[nMaxMessages];
+    int retval = ((ISteamNetworkingMessages*)linux_side)->ReceiveMessagesOnChannel(nLocalChannel, lin_ppOutMessages, nMaxMessages);
+    lin_to_win_struct_SteamNetworkingMessage_t_150(retval, lin_ppOutMessages, ppOutMessages, nMaxMessages);
+    return retval;
+}
+
 }
diff --git a/lsteamclient/steamworks_sdk_150/isteamnetworkingmessages.h b/lsteamclient/steamworks_sdk_150/isteamnetworkingmessages.h
index cde7505b..0f2f28ab 100644
--- a/lsteamclient/steamworks_sdk_150/isteamnetworkingmessages.h
+++ b/lsteamclient/steamworks_sdk_150/isteamnetworkingmessages.h
@@ -2,7 +2,6 @@
 
 #ifndef ISTEAMNETWORKINGMESSAGES
 #define ISTEAMNETWORKINGMESSAGES
-#pragma once
 
 #include "steamnetworkingtypes.h"
 
diff --git a/lsteamclient/winISteamNetworkingMessages.c b/lsteamclient/winISteamNetworkingMessages.c
new file mode 100644
index 00000000..461d4d5e
--- /dev/null
+++ b/lsteamclient/winISteamNetworkingMessages.c
@@ -0,0 +1,92 @@
+/* This file is auto-generated, do not edit. */
+#include <stdarg.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "wine/debug.h"
+
+#include "cxx.h"
+
+#include "steam_defs.h"
+
+#include "steamclient_private.h"
+
+#include "struct_converters.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(steamclient);
+
+#include "cppISteamNetworkingMessages_SteamNetworkingMessages002.h"
+
+typedef struct __winISteamNetworkingMessages_SteamNetworkingMessages002 {
+    vtable_ptr *vtable;
+    void *linux_side;
+} winISteamNetworkingMessages_SteamNetworkingMessages002;
+
+DEFINE_THISCALL_WRAPPER(winISteamNetworkingMessages_SteamNetworkingMessages002_SendMessageToUser, 24)
+EResult __thiscall winISteamNetworkingMessages_SteamNetworkingMessages002_SendMessageToUser(winISteamNetworkingMessages_SteamNetworkingMessages002 *_this, const SteamNetworkingIdentity * identityRemote, const void * pubData, uint32 cubData, int nSendFlags, int nRemoteChannel)
+{
+    TRACE("%p\n", _this);
+    return cppISteamNetworkingMessages_SteamNetworkingMessages002_SendMessageToUser(_this->linux_side, identityRemote, pubData, cubData, nSendFlags, nRemoteChannel);
+}
+
+DEFINE_THISCALL_WRAPPER(winISteamNetworkingMessages_SteamNetworkingMessages002_ReceiveMessagesOnChannel, 16)
+int __thiscall winISteamNetworkingMessages_SteamNetworkingMessages002_ReceiveMessagesOnChannel(winISteamNetworkingMessages_SteamNetworkingMessages002 *_this, int nLocalChannel, winSteamNetworkingMessage_t_150 ** ppOutMessages, int nMaxMessages)
+{
+    TRACE("%p\n", _this);
+    return cppISteamNetworkingMessages_SteamNetworkingMessages002_ReceiveMessagesOnChannel(_this->linux_side, nLocalChannel, ppOutMessages, nMaxMessages);
+}
+
+DEFINE_THISCALL_WRAPPER(winISteamNetworkingMessages_SteamNetworkingMessages002_AcceptSessionWithUser, 8)
+bool __thiscall winISteamNetworkingMessages_SteamNetworkingMessages002_AcceptSessionWithUser(winISteamNetworkingMessages_SteamNetworkingMessages002 *_this, const SteamNetworkingIdentity * identityRemote)
+{
+    TRACE("%p\n", _this);
+    return cppISteamNetworkingMessages_SteamNetworkingMessages002_AcceptSessionWithUser(_this->linux_side, identityRemote);
+}
+
+DEFINE_THISCALL_WRAPPER(winISteamNetworkingMessages_SteamNetworkingMessages002_CloseSessionWithUser, 8)
+bool __thiscall winISteamNetworkingMessages_SteamNetworkingMessages002_CloseSessionWithUser(winISteamNetworkingMessages_SteamNetworkingMessages002 *_this, const SteamNetworkingIdentity * identityRemote)
+{
+    TRACE("%p\n", _this);
+    return cppISteamNetworkingMessages_SteamNetworkingMessages002_CloseSessionWithUser(_this->linux_side, identityRemote);
+}
+
+DEFINE_THISCALL_WRAPPER(winISteamNetworkingMessages_SteamNetworkingMessages002_CloseChannelWithUser, 12)
+bool __thiscall winISteamNetworkingMessages_SteamNetworkingMessages002_CloseChannelWithUser(winISteamNetworkingMessages_SteamNetworkingMessages002 *_this, const SteamNetworkingIdentity * identityRemote, int nLocalChannel)
+{
+    TRACE("%p\n", _this);
+    return cppISteamNetworkingMessages_SteamNetworkingMessages002_CloseChannelWithUser(_this->linux_side, identityRemote, nLocalChannel);
+}
+
+DEFINE_THISCALL_WRAPPER(winISteamNetworkingMessages_SteamNetworkingMessages002_GetSessionConnectionInfo, 16)
+ESteamNetworkingConnectionState __thiscall winISteamNetworkingMessages_SteamNetworkingMessages002_GetSessionConnectionInfo(winISteamNetworkingMessages_SteamNetworkingMessages002 *_this, const SteamNetworkingIdentity * identityRemote, SteamNetConnectionInfo_t * pConnectionInfo, SteamNetworkingQuickConnectionStatus * pQuickStatus)
+{
+    TRACE("%p\n", _this);
+    return cppISteamNetworkingMessages_SteamNetworkingMessages002_GetSessionConnectionInfo(_this->linux_side, identityRemote, pConnectionInfo, pQuickStatus);
+}
+
+extern vtable_ptr winISteamNetworkingMessages_SteamNetworkingMessages002_vtable;
+
+#ifndef __GNUC__
+void __asm_dummy_vtables(void) {
+#endif
+    __ASM_VTABLE(winISteamNetworkingMessages_SteamNetworkingMessages002,
+        VTABLE_ADD_FUNC(winISteamNetworkingMessages_SteamNetworkingMessages002_SendMessageToUser)
+        VTABLE_ADD_FUNC(winISteamNetworkingMessages_SteamNetworkingMessages002_ReceiveMessagesOnChannel)
+        VTABLE_ADD_FUNC(winISteamNetworkingMessages_SteamNetworkingMessages002_AcceptSessionWithUser)
+        VTABLE_ADD_FUNC(winISteamNetworkingMessages_SteamNetworkingMessages002_CloseSessionWithUser)
+        VTABLE_ADD_FUNC(winISteamNetworkingMessages_SteamNetworkingMessages002_CloseChannelWithUser)
+        VTABLE_ADD_FUNC(winISteamNetworkingMessages_SteamNetworkingMessages002_GetSessionConnectionInfo)
+    );
+#ifndef __GNUC__
+}
+#endif
+
+winISteamNetworkingMessages_SteamNetworkingMessages002 *create_winISteamNetworkingMessages_SteamNetworkingMessages002(void *linux_side)
+{
+    winISteamNetworkingMessages_SteamNetworkingMessages002 *r = HeapAlloc(GetProcessHeap(), 0, sizeof(winISteamNetworkingMessages_SteamNetworkingMessages002));
+    TRACE("-> %p\n", r);
+    r->vtable = &winISteamNetworkingMessages_SteamNetworkingMessages002_vtable;
+    r->linux_side = linux_side;
+    return r;
+}
+
diff --git a/lsteamclient/win_constructors.h b/lsteamclient/win_constructors.h
index a39c835e..1b1f5346 100644
--- a/lsteamclient/win_constructors.h
+++ b/lsteamclient/win_constructors.h
@@ -27,6 +27,7 @@ extern void *create_winISteamGameServer_SteamGameServer013(void *);
 extern void *create_winISteamGameServerStats_SteamGameServerStats001(void *);
 extern void *create_winISteamGameCoordinator_SteamGameCoordinator001(void *);
 extern void *create_winISteamParentalSettings_STEAMPARENTALSETTINGS_INTERFACE_VERSION001(void *);
+extern void *create_winISteamNetworkingMessages_SteamNetworkingMessages002(void *);
 extern void *create_winISteamNetworkingSockets_SteamNetworkingSockets009(void *);
 extern void *create_winISteamNetworkingUtils_SteamNetworkingUtils003(void *);
 extern void *create_winISteamUtils_SteamUtils009(void *);
diff --git a/lsteamclient/win_constructors_table.dat b/lsteamclient/win_constructors_table.dat
index e343967b..1ccec6c5 100644
--- a/lsteamclient/win_constructors_table.dat
+++ b/lsteamclient/win_constructors_table.dat
@@ -27,6 +27,7 @@
     {"SteamGameServerStats001", &create_winISteamGameServerStats_SteamGameServerStats001},
     {"SteamGameCoordinator001", &create_winISteamGameCoordinator_SteamGameCoordinator001},
     {"STEAMPARENTALSETTINGS_INTERFACE_VERSION001", &create_winISteamParentalSettings_STEAMPARENTALSETTINGS_INTERFACE_VERSION001},
+    {"SteamNetworkingMessages002", &create_winISteamNetworkingMessages_SteamNetworkingMessages002},
     {"SteamNetworkingSockets009", &create_winISteamNetworkingSockets_SteamNetworkingSockets009},
     {"SteamNetworkingUtils003", &create_winISteamNetworkingUtils_SteamNetworkingUtils003},
     {"SteamUtils009", &create_winISteamUtils_SteamUtils009},