diff --git a/specs/udmf_zdoom.txt b/specs/udmf_zdoom.txt
index d501cb884..e79ae196b 100644
--- a/specs/udmf_zdoom.txt
+++ b/specs/udmf_zdoom.txt
@@ -27,7 +27,8 @@ II. Implementation Semantics
 II.A : Storage and Retrieval of Data
 ------------------------------------
 
-No changes.
+Any TEXTMAP lump in the described namespaces must be encoded in ISO 8859-1 which
+as of this writing is the only character encoding supported by ZDoom.
 
 -----------------------------------
 II.B : Storage Within Archive Files
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 799bf6dd4..9332e4919 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -509,6 +509,11 @@ if( NOT MSVC )
 	add_definitions( -D__forceinline=inline )
 endif( NOT MSVC )
 
+# Fix stat in v140_xp (broken in RTM and Update 1 so far)
+if( MSVC AND MSVC_VERSION EQUAL 1900 AND CMAKE_GENERATOR_TOOLSET STREQUAL "v140_xp" )
+	add_definitions( -D_stat64i32=VS14Stat )
+endif( MSVC AND MSVC_VERSION EQUAL 1900 AND CMAKE_GENERATOR_TOOLSET STREQUAL "v140_xp" )
+
 if( UNIX )
 	CHECK_LIBRARY_EXISTS( rt clock_gettime "" CLOCK_GETTIME_IN_RT )
 	if( NOT CLOCK_GETTIME_IN_RT )
diff --git a/src/d_net.cpp b/src/d_net.cpp
index e6b5713f2..780b89382 100644
--- a/src/d_net.cpp
+++ b/src/d_net.cpp
@@ -973,7 +973,7 @@ void NetUpdate (void)
 	{
 		I_StartTic ();
 		D_ProcessEvents ();
-		if ((maketic - gametic) / ticdup >= BACKUPTICS/2-1)
+		if (pauseext || (maketic - gametic) / ticdup >= BACKUPTICS/2-1)
 			break;			// can't hold any more
 		
 		//Printf ("mk:%i ",maketic);
@@ -1204,7 +1204,7 @@ void NetUpdate (void)
 
 		// Send current network delay
 		// The number of tics we just made should be removed from the count.
-		netbuffer[k++] = ((maketic - newtics - gametic) / ticdup);
+		netbuffer[k++] = ((maketic - numtics - gametic) / ticdup);
 
 		if (numtics > 0)
 		{
@@ -1810,7 +1810,8 @@ void TryRunTics (void)
 
 	// If paused, do not eat more CPU time than we need, because it
 	// will all be wasted anyway.
-	if (pauseext) r_NoInterpolate = true;
+	if (pauseext) 
+		r_NoInterpolate = true;
 	bool doWait = cl_capfps || r_NoInterpolate /*|| netgame*/;
 
 	// get real tics
@@ -1828,6 +1829,9 @@ void TryRunTics (void)
 	// get available tics
 	NetUpdate ();
 
+	if (pauseext)
+		return;
+
 	lowtic = INT_MAX;
 	numplaying = 0;
 	for (i = 0; i < doomcom.numnodes; i++)
@@ -1935,7 +1939,7 @@ void TryRunTics (void)
 			C_Ticker ();
 			M_Ticker ();
 			I_GetTime (true);
-			if (!pauseext) G_Ticker();
+			G_Ticker();
 			gametic++;
 
 			NetUpdate ();	// check for new console commands
diff --git a/src/g_shared/hudmessages.cpp b/src/g_shared/hudmessages.cpp
index f60c8a84e..997021c5f 100644
--- a/src/g_shared/hudmessages.cpp
+++ b/src/g_shared/hudmessages.cpp
@@ -134,6 +134,7 @@ DHUDMessage::DHUDMessage (FFont *font, const char *text, float x, float y, int h
 	NoWrap = false;
 	ClipX = ClipY = ClipWidth = ClipHeight = 0;
 	WrapWidth = 0;
+	HandleAspect = true;
 	Top = y;
 	Next = NULL;
 	Lines = NULL;
@@ -196,6 +197,14 @@ void DHUDMessage::Serialize (FArchive &arc)
 		NoWrap = false;
 		ClipX = ClipY = ClipWidth = ClipHeight = WrapWidth = 0;
 	}
+	if (SaveVersion >= 4525)
+	{
+		arc << HandleAspect;
+	}
+	else
+	{
+		HandleAspect = true;
+	}
 	if (arc.IsLoading ())
 	{
 		Lines = NULL;
@@ -257,7 +266,7 @@ void DHUDMessage::CalcClipCoords(int hudheight)
 	else
 	{
 		screen->VirtualToRealCoordsInt(x, y, w, h,
-			HUDWidth, hudheight, false, true);
+			HUDWidth, hudheight, false, HandleAspect);
 		ClipLeft = x;
 		ClipTop = y;
 		ClipRight = x + w;
diff --git a/src/g_shared/sbar.h b/src/g_shared/sbar.h
index b8dde5850..b8416dd5d 100644
--- a/src/g_shared/sbar.h
+++ b/src/g_shared/sbar.h
@@ -94,12 +94,13 @@ public:
 		NoWrap = nowrap;
 		ResetText(SourceText);
 	}
-	void SetClipRect(int x, int y, int width, int height)
+	void SetClipRect(int x, int y, int width, int height, bool aspect)
 	{
 		ClipX = x;
 		ClipY = y;
 		ClipWidth = width;
 		ClipHeight = height;
+		HandleAspect = aspect;
 	}
 	void SetWrapWidth(int wrap)
 	{
@@ -119,6 +120,7 @@ protected:
 	int HUDWidth, HUDHeight;
 	int ClipX, ClipY, ClipWidth, ClipHeight, WrapWidth;	// in HUD coords
 	int ClipLeft, ClipTop, ClipRight, ClipBot;			// in screen coords
+	bool HandleAspect;
 	EColorRange TextColor;
 	FFont *Font;
 	FRenderStyle Style;
diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 4f8a0c6c3..30733eac8 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -5315,6 +5315,7 @@ int DLevelScript::CallFunction(int argCount, int funcIndex, SDWORD *args, const
 			ClipRectWidth = argCount > 2 ? args[2] : 0;
 			ClipRectHeight = argCount > 3 ? args[3] : 0;
 			WrapWidth = argCount > 4 ? args[4] : 0;
+			HandleAspect = argCount > 5 ? !!args[5] : true;
 			break;
 
 		case ACSF_SetHUDWrapWidth:
@@ -5919,6 +5920,7 @@ doplaysound:			if (funcIndex == ACSF_PlayActorSound)
 			break;
 	}
 
+
 	return 0;
 }
 
@@ -7854,7 +7856,7 @@ scriptwait:
 						}
 						break;
 					}
-					msg->SetClipRect(ClipRectLeft, ClipRectTop, ClipRectWidth, ClipRectHeight);
+					msg->SetClipRect(ClipRectLeft, ClipRectTop, ClipRectWidth, ClipRectHeight, HandleAspect);
 					if (WrapWidth != 0)
 					{
 						msg->SetWrapWidth(WrapWidth);
@@ -9466,6 +9468,7 @@ DLevelScript::DLevelScript (AActor *who, line_t *where, int num, const ScriptPtr
 	activefont = SmallFont;
 	hudwidth = hudheight = 0;
 	ClipRectLeft = ClipRectTop = ClipRectWidth = ClipRectHeight = WrapWidth = 0;
+	HandleAspect = true;
 	state = SCRIPT_Running;
 
 	// Hexen waited one second before executing any open scripts. I didn't realize
diff --git a/src/p_acs.h b/src/p_acs.h
index d5971e349..3188e46aa 100644
--- a/src/p_acs.h
+++ b/src/p_acs.h
@@ -891,6 +891,7 @@ protected:
 	int				hudwidth, hudheight;
 	int				ClipRectLeft, ClipRectTop, ClipRectWidth, ClipRectHeight;
 	int				WrapWidth;
+	bool			HandleAspect;
 	FBehavior	    *activeBehavior;
 	int				InModuleScriptNumber;
 
diff --git a/src/p_switch.cpp b/src/p_switch.cpp
index 1ca4654b5..984794c8a 100644
--- a/src/p_switch.cpp
+++ b/src/p_switch.cpp
@@ -177,10 +177,47 @@ bool P_CheckSwitchRange(AActor *user, line_t *line, int sideno)
 
 	if ((TexMan.FindSwitch(side->GetTexture(side_t::top))) != NULL)
 	{
+
+		// Check 3D floors on back side
+		{
+			sector_t * back = line->sidedef[1 - sideno]->sector;
+			for (unsigned i = 0; i < back->e->XFloor.ffloors.Size(); i++)
+			{
+				F3DFloor *rover = back->e->XFloor.ffloors[i];
+				if (!(rover->flags & FF_EXISTS)) continue;
+				if (!(rover->flags & FF_UPPERTEXTURE)) continue;
+
+				if (user->z > rover->top.plane->ZatPoint(checkx, checky) ||
+					user->z + user->height < rover->bottom.plane->ZatPoint(checkx, checky))
+					continue;
+
+				// This 3D floor depicts a switch texture in front of the player's eyes
+				return true;
+			}
+		}
+
 		return (user->z + user->height > open.top);
 	}
 	else if ((TexMan.FindSwitch(side->GetTexture(side_t::bottom))) != NULL)
 	{
+		// Check 3D floors on back side
+		{
+			sector_t * back = line->sidedef[1 - sideno]->sector;
+			for (unsigned i = 0; i < back->e->XFloor.ffloors.Size(); i++)
+			{
+				F3DFloor *rover = back->e->XFloor.ffloors[i];
+				if (!(rover->flags & FF_EXISTS)) continue;
+				if (!(rover->flags & FF_LOWERTEXTURE)) continue;
+
+				if (user->z > rover->top.plane->ZatPoint(checkx, checky) ||
+					user->z + user->height < rover->bottom.plane->ZatPoint(checkx, checky))
+					continue;
+
+				// This 3D floor depicts a switch texture in front of the player's eyes
+				return true;
+			}
+		}
+
 		return (user->z < open.bottom);
 	}
 	else if ((flags & ML_3DMIDTEX) || (TexMan.FindSwitch(side->GetTexture(side_t::mid))) != NULL)
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 9fd631d16..89299e0fa 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -5893,6 +5893,103 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SetRipMax)
 	self->RipLevelMax = max;
 }
 
+//==========================================================================
+//
+// A_CheckProximity(jump, classname, distance, count, flags, ptr)
+//
+// Checks to see if a certain actor class is close to the 
+// actor/pointer within distance, in numbers.
+//==========================================================================
+enum CPXFflags
+{
+	CPXF_ANCESTOR =			1,
+	CPXF_LESSOREQUAL =		1 << 1,
+	CPXF_NOZ =				1 << 2,
+	CPXF_COUNTDEAD =		1 << 3,
+	CPXF_DEADONLY =			1 << 4,
+	CPXF_EXACT =			1 << 5,
+};
+DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckProximity)
+{
+	ACTION_PARAM_START(6);
+	ACTION_PARAM_STATE(jump, 0);
+	ACTION_PARAM_CLASS(classname, 1);
+	ACTION_PARAM_FIXED(distance, 2);
+	ACTION_PARAM_INT(count, 3);
+	ACTION_PARAM_INT(flags, 4);
+	ACTION_PARAM_INT(ptr, 5);
+
+	ACTION_SET_RESULT(false); //No inventory chain results please.
+	AActor *ref = COPY_AAPTR(self, ptr);
+
+	//We need these to check out.
+	if (!ref || !jump || !classname || distance <= 0)
+		return;
+
+	int counter = 0;
+	bool result = false;
+
+	TThinkerIterator<AActor> it;
+	AActor * mo;
+
+	//[MC] Process of elimination, I think, will get through this as quickly and 
+	//efficiently as possible. 
+	while ((mo = it.Next()))
+	{
+		if (mo == ref) //Don't count self.
+			continue;
+
+		//Check inheritance for the classname. Taken partly from CheckClass DECORATE function.
+		if (flags & CPXF_ANCESTOR)
+		{
+			if (!(mo->GetClass()->IsAncestorOf(classname)))
+				continue;
+		}
+		//Otherwise, just check for the regular class name.
+		else if (classname != mo->GetClass())
+			continue;
+
+		//Make sure it's in range and respect the desire for Z or not.
+		if (P_AproxDistance(ref->x - mo->x, ref->y - mo->y) < distance &&
+			((flags & CPXF_NOZ) ||
+			((ref->z > mo->z && ref->z - (mo->z + mo->height) < distance) ||
+			(ref->z <= mo->z && mo->z - (ref->z + ref->height) < distance))))
+		{
+			if (mo->flags6 & MF6_KILLED)
+			{
+				if (!(flags & (CPXF_COUNTDEAD | CPXF_DEADONLY)))
+					continue;
+				counter++;
+			}
+			else
+			{
+				if (flags & CPXF_DEADONLY)
+					continue;
+				counter++;
+			}
+
+			//Abort if the number of matching classes nearby is greater, we have obviously succeeded in our goal.
+			if (counter > count)
+			{
+				result = (flags & (CPXF_LESSOREQUAL | CPXF_EXACT)) ? false : true;
+				break;
+			}
+		}
+	}
+
+	if (counter == count)
+		result = true;
+	else if (counter < count)
+		result = !!((flags & CPXF_LESSOREQUAL) && !(flags & CPXF_EXACT));
+
+
+
+	if (result)
+	{
+		ACTION_JUMP(jump);
+	}
+}
+
 /*===========================================================================
 A_CheckBlock
 (state block, int flags, int ptr)
@@ -5951,4 +6048,4 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckBlock)
 	{
 		ACTION_JUMP(block);
 	}
-}
\ No newline at end of file
+}
diff --git a/src/version.h b/src/version.h
index f33f0999a..0cb89765d 100644
--- a/src/version.h
+++ b/src/version.h
@@ -76,7 +76,7 @@ const char *GetVersionString();
 
 // Use 4500 as the base git save version, since it's higher than the
 // SVN revision ever got.
-#define SAVEVER 4524
+#define SAVEVER 4525
 
 #define SAVEVERSTRINGIFY2(x) #x
 #define SAVEVERSTRINGIFY(x) SAVEVERSTRINGIFY2(x)
diff --git a/src/win32/i_system.cpp b/src/win32/i_system.cpp
index ef56c7050..133337af5 100644
--- a/src/win32/i_system.cpp
+++ b/src/win32/i_system.cpp
@@ -1726,3 +1726,36 @@ FString I_GetLongPathName(FString shortpath)
 	delete[] buff;
 	return longpath;
 }
+
+#if _MSC_VER == 1900 && defined(_USING_V110_SDK71_)
+//==========================================================================
+//
+// VS14Stat
+//
+// Work around an issue where stat doesn't work with v140_xp. This was
+// supposedly fixed, but as of Update 1 continues to not function on XP.
+//
+//==========================================================================
+
+#include <sys/stat.h>
+
+int VS14Stat(const char *path, struct _stat64i32 *buffer)
+{
+	WIN32_FILE_ATTRIBUTE_DATA data;
+	if(!GetFileAttributesEx(path, GetFileExInfoStandard, &data))
+		return -1;
+
+	buffer->st_ino = 0;
+	buffer->st_mode = ((data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? S_IFDIR : S_IFREG)|
+	                  ((data.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? S_IREAD : S_IREAD|S_IWRITE);
+	buffer->st_dev = buffer->st_rdev = 0;
+	buffer->st_nlink = 1;
+	buffer->st_uid = 0;
+	buffer->st_gid = 0;
+	buffer->st_size = data.nFileSizeLow;
+	buffer->st_atime = (*(QWORD*)&data.ftLastAccessTime) / 10000000 - 11644473600LL;
+	buffer->st_mtime = (*(QWORD*)&data.ftLastWriteTime) / 10000000 - 11644473600LL;
+	buffer->st_ctime = (*(QWORD*)&data.ftCreationTime) / 10000000 - 11644473600LL;
+	return 0;
+}
+#endif
diff --git a/tools/lemon/lemon.c b/tools/lemon/lemon.c
index 5e8f03a8b..651e43f20 100644
--- a/tools/lemon/lemon.c
+++ b/tools/lemon/lemon.c
@@ -3061,6 +3061,7 @@ struct lemon *lemp;
   FILE *in;
   char *tpltname;
   char *cp;
+  Boolean tpltnameinbuf;
 
   cp = strrchr(lemp->filename,'.');
   if( cp ){
@@ -3070,10 +3071,13 @@ struct lemon *lemp;
   }
   if( access(buf,004)==0 ){
     tpltname = buf;
+    tpltnameinbuf = LEMON_TRUE;
   }else if( access(templatename,004)==0 ){
     tpltname = templatename;
+    tpltnameinbuf = LEMON_TRUE;
   }else{
     tpltname = pathsearch(lemp->argv0,templatename,0);
+    tpltnameinbuf = LEMON_FALSE;
   }
   if( tpltname==0 ){
     fprintf(stderr,"Can't find the parser driver template file \"%s\".\n",
@@ -3084,11 +3088,11 @@ struct lemon *lemp;
   in = fopen(tpltname,"rb");
   if( in==0 ){
     fprintf(stderr,"Can't open the template file \"%s\".\n",templatename);
-    free(tpltname);
+    if (tpltnameinbuf == LEMON_FALSE) free(tpltname);
     lemp->errorcnt++;
     return 0;
   }
-  free(tpltname);
+  if (tpltnameinbuf == LEMON_FALSE) free(tpltname);
   return in;
 }
 
diff --git a/wadsrc/static/actors/actor.txt b/wadsrc/static/actors/actor.txt
index be4b8b416..5158aa7b5 100644
--- a/wadsrc/static/actors/actor.txt
+++ b/wadsrc/static/actors/actor.txt
@@ -337,6 +337,7 @@ ACTOR Actor native //: Thinker
 	action native A_SetRipperLevel(int level);
 	action native A_SetRipMin(int min);
 	action native A_SetRipMax(int max);
+	action native A_CheckProximity(state jump, class<Actor> classname, float distance, int count = 1, int flags = 0, int ptr = AAPTR_DEFAULT);
 	action native A_CheckBlock(state block, int flags = 0, int ptr = AAPTR_DEFAULT);
 	action native A_CheckSightOrRange(float distance, state label, bool two_dimension = false);
 	action native A_CheckRange(float distance, state label, bool two_dimension = false);
diff --git a/wadsrc/static/actors/constants.txt b/wadsrc/static/actors/constants.txt
index 7f8fbc09e..956ed119f 100644
--- a/wadsrc/static/actors/constants.txt
+++ b/wadsrc/static/actors/constants.txt
@@ -484,6 +484,17 @@ enum
 	QF_WAVE =			1 << 5,
 };
 
+// A_CheckProximity flags
+enum
+{
+	CPXF_ANCESTOR			= 1,
+	CPXF_LESSOREQUAL		= 1 << 1,
+	CPXF_NOZ				= 1 << 2,
+	CPXF_COUNTDEAD			= 1 << 3,
+	CPXF_DEADONLY			= 1 << 4,
+	CPXF_EXACT				= 1 << 5,
+};
+
 // Flags for A_CheckBlock
 // These flags only affect the calling actor('s pointer), not the ones being searched.
 enum