diff --git a/src/Makefile b/src/Makefile
index 322e67bfe..f2d532cd5 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,3 +1,4 @@
+
 #     GNU Make makefile for SRB2
 #############################################################################
 # Copyright (C) 1998-2000 by DooM Legacy Team.
@@ -357,7 +358,8 @@ endif
 
 ifdef PROFILEMODE
 	# build with profiling information
-	CFLAGS:=-pg $(CFLAGS)
+	CFLAGS+=-pg
+	LDFLAGS+=-pg
 endif
 
 ifdef ZDEBUG
diff --git a/src/d_clisrv.c b/src/d_clisrv.c
index 834b0a327..11e600038 100644
--- a/src/d_clisrv.c
+++ b/src/d_clisrv.c
@@ -395,8 +395,7 @@ static void ExtraDataTicker(void)
 							DEBFILE(va("player %d kicked [gametic=%u] reason as follows:\n", i, gametic));
 						}
 						CONS_Alert(CONS_WARNING, M_GetText("Got unknown net command [%s]=%d (max %d)\n"), sizeu1(curpos - bufferstart), *curpos, bufferstart[0]);
-						D_FreeTextcmd(gametic);
-						return;
+						break;
 					}
 				}
 			}
@@ -3326,7 +3325,7 @@ void SV_StopServer(void)
 	localtextcmd[0] = 0;
 	localtextcmd2[0] = 0;
 
-	for (i = 0; i < BACKUPTICS; i++)
+	for (i = firstticstosend; i < firstticstosend + BACKUPTICS; i++)
 		D_Clearticcmd(i);
 
 	consoleplayer = 0;
diff --git a/src/d_main.c b/src/d_main.c
index a5e1a0254..f252e7592 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -1032,15 +1032,6 @@ void D_SRB2Main(void)
 
 	if (M_CheckParm("-password") && M_IsNextParm())
 		D_SetPassword(M_GetNextParm());
-	else
-	{
-		size_t z;
-		char junkpw[25];
-		for (z = 0; z < 24; z++)
-			junkpw[z] = (char)(rand() & 64)+32;
-		junkpw[24] = '\0';
-		D_SetPassword(junkpw);
-	}
 
 	// add any files specified on the command line with -file wadfile
 	// to the wad list
diff --git a/src/d_netcmd.c b/src/d_netcmd.c
index e01178155..7c9d42940 100644
--- a/src/d_netcmd.c
+++ b/src/d_netcmd.c
@@ -2725,10 +2725,12 @@ static void D_MD5PasswordPass(const UINT8 *buffer, size_t len, const char *salt,
 
 #define BASESALT "basepasswordstorage"
 static UINT8 adminpassmd5[16];
+static boolean adminpasswordset = false;
 
 void D_SetPassword(const char *pw)
 {
 	D_MD5PasswordPass((const UINT8 *)pw, strlen(pw), BASESALT, &adminpassmd5);
+	adminpasswordset = true;
 }
 
 // Remote Administration
@@ -2797,6 +2799,12 @@ static void Got_Login(UINT8 **cp, INT32 playernum)
 
 	READMEM(*cp, sentmd5, 16);
 
+	if (!adminpasswordset)
+	{
+		CONS_Printf(M_GetText("Password from %s failed (no password set).\n"), player_names[playernum]);
+		return;
+	}
+
 	if (client)
 		return;
 
@@ -4066,7 +4074,7 @@ static void Command_RestartAudio_f(void)
 	I_ShutdownSound();
 	I_StartupSound();
 	I_InitMusic();
-	
+
 // These must be called or no sound and music until manually set.
 
 	I_SetSfxVolume(cv_soundvolume.value);
@@ -4074,7 +4082,7 @@ static void Command_RestartAudio_f(void)
 	I_SetMIDIMusicVolume(cv_midimusicvolume.value);
 	if (Playing()) // Gotta make sure the player is in a level
 		P_RestoreMusic(&players[consoleplayer]);
-	
+
 }
 
 /** Quits a game and returns to the title screen.
diff --git a/src/f_finale.c b/src/f_finale.c
index db62ddf09..b64766ff6 100644
--- a/src/f_finale.c
+++ b/src/f_finale.c
@@ -987,7 +987,6 @@ static const char *credits[] = {
 	"\1Programming",
 	"Alam \"GBC\" Arias",
 	"Logan \"GBA\" Arias",
-	"Colette \"fickle\" Bordelon",
 	"Callum Dickinson",
 	"Scott \"Graue\" Feeney",
 	"Nathan \"Jazz\" Giroux",
diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index f23209379..119be6b46 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -2115,27 +2115,34 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 				}
 				else
 				{
-#ifdef ESLOPE // P.S. this is better-organized than the old version
-					fixed_t offs = sides[(newline ? newline : rover->master)->sidenum[0]].rowoffset;
-					grTex = HWR_GetTexture(texnum);
-
-					wallVerts[3].t = (*rover->topheight - h + offs) * grTex->scaleY;
-					wallVerts[2].t = (*rover->topheight - hS + offs) * grTex->scaleY;
-					wallVerts[0].t = (*rover->topheight - l + offs) * grTex->scaleY;
-					wallVerts[1].t = (*rover->topheight - lS + offs) * grTex->scaleY;
-#else
-					grTex = HWR_GetTexture(texnum);
+					fixed_t texturevpeg;
 
+					// Wow, how was this missing from OpenGL for so long?
+					// ...Oh well, anyway, Lower Unpegged now changes pegging of FOFs like in software
+					// -- Monster Iestyn 26/06/18
 					if (newline)
 					{
-						wallVerts[3].t = wallVerts[2].t = (*rover->topheight - h + sides[newline->sidenum[0]].rowoffset) * grTex->scaleY;
-						wallVerts[0].t = wallVerts[1].t = (h - l + (*rover->topheight - h + sides[newline->sidenum[0]].rowoffset)) * grTex->scaleY;
+						texturevpeg = sides[newline->sidenum[0]].rowoffset;
+						if (newline->flags & ML_DONTPEGBOTTOM)
+							texturevpeg -= *rover->topheight - *rover->bottomheight;
 					}
 					else
 					{
-						wallVerts[3].t = wallVerts[2].t = (*rover->topheight - h + sides[rover->master->sidenum[0]].rowoffset) * grTex->scaleY;
-						wallVerts[0].t = wallVerts[1].t = (h - l + (*rover->topheight - h + sides[rover->master->sidenum[0]].rowoffset)) * grTex->scaleY;
+						texturevpeg = sides[rover->master->sidenum[0]].rowoffset;
+						if (gr_linedef->flags & ML_DONTPEGBOTTOM)
+							texturevpeg -= *rover->topheight - *rover->bottomheight;
 					}
+
+					grTex = HWR_GetTexture(texnum);
+
+#ifdef ESLOPE
+					wallVerts[3].t = (*rover->topheight - h + texturevpeg) * grTex->scaleY;
+					wallVerts[2].t = (*rover->topheight - hS + texturevpeg) * grTex->scaleY;
+					wallVerts[0].t = (*rover->topheight - l + texturevpeg) * grTex->scaleY;
+					wallVerts[1].t = (*rover->topheight - lS + texturevpeg) * grTex->scaleY;
+#else
+					wallVerts[3].t = wallVerts[2].t = (*rover->topheight - h + texturevpeg) * grTex->scaleY;
+					wallVerts[0].t = wallVerts[1].t = (*rover->topheight - l + texturevpeg) * grTex->scaleY;
 #endif
 
 					wallVerts[0].s = wallVerts[3].s = cliplow * grTex->scaleX;
@@ -4072,7 +4079,7 @@ static void HWR_DrawSpriteShadow(gr_vissprite_t *spr, GLPatch_t *gpatch, float t
 		angle_t shadowdir;
 
 		// Set direction
-		if (splitscreen && stplyr != &players[displayplayer])
+		if (splitscreen && stplyr == &players[secondarydisplayplayer])
 			shadowdir = localangle2 + FixedAngle(cv_cam2_rotate.value);
 		else
 			shadowdir = localangle + FixedAngle(cv_cam_rotate.value);
@@ -5480,7 +5487,10 @@ static void HWR_ProjectSprite(mobj_t *thing)
 	}
 
 	heightsec = thing->subsector->sector->heightsec;
-	phs = players[displayplayer].mo->subsector->sector->heightsec;
+	if (viewplayer->mo && viewplayer->mo->subsector)
+		phs = viewplayer->mo->subsector->sector->heightsec;
+	else
+		phs = -1;
 
 	if (heightsec != -1 && phs != -1) // only clip things which are in special sectors
 	{
diff --git a/src/lua_consolelib.c b/src/lua_consolelib.c
index c82c39b46..d576efb9a 100644
--- a/src/lua_consolelib.c
+++ b/src/lua_consolelib.c
@@ -85,7 +85,9 @@ void Got_Luacmd(UINT8 **cp, INT32 playernum)
 
 deny:
 	//must be hacked/buggy client
-	lua_settop(gL, 0); // clear stack
+	if (gL) // check if Lua is actually turned on first, you dummmy -- Monster Iestyn 04/07/18
+		lua_settop(gL, 0); // clear stack
+
 	CONS_Alert(CONS_WARNING, M_GetText("Illegal lua command received from %s\n"), player_names[playernum]);
 	if (server)
 	{
diff --git a/src/m_menu.c b/src/m_menu.c
index a866dac1b..b10ec38ab 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -8829,7 +8829,7 @@ static void M_HandleSetupMultiPlayer(INT32 choice)
 				break;
 			S_StartSound(NULL,sfx_menu1); // Tails
 			l = strlen(setupm_name);
-			if (l < MAXPLAYERNAME-1)
+			if (l < MAXPLAYERNAME)
 			{
 				setupm_name[l] = (char)choice;
 				setupm_name[l+1] = 0;
diff --git a/src/m_misc.c b/src/m_misc.c
index bf637f7c3..50b6d7a05 100644
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -56,7 +56,9 @@ typedef off_t off64_t;
 #endif
 #endif
 
-#if defined (_WIN32)
+#if defined(__MINGW32__) && ((__GNUC__ > 7) || (__GNUC__ == 6 && __GNUC_MINOR__ >= 3))
+#define PRIdS "u"
+#elif defined (_WIN32) 
 #define PRIdS "Iu"
 #elif defined (DJGPP)
 #define PRIdS "u"
diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c
index 718324591..a82335f6c 100644
--- a/src/sdl/mixer_sound.c
+++ b/src/sdl/mixer_sound.c
@@ -66,6 +66,7 @@ static boolean midimode;
 static Mix_Music *music;
 static UINT8 music_volume, midi_volume, sfx_volume;
 static float loop_point;
+static boolean songpaused;
 
 #ifdef HAVE_LIBGME
 static Music_Emu *gme;
@@ -102,6 +103,7 @@ void I_StartupSound(void)
 	}
 
 	sound_started = true;
+	songpaused = false;
 	Mix_AllocateChannels(256);
 }
 
@@ -450,7 +452,7 @@ static void mix_gme(void *udata, Uint8 *stream, int len)
 	(void)udata;
 
 	// no gme? no music.
-	if (!gme || gme_track_ended(gme))
+	if (!gme || gme_track_ended(gme) || songpaused)
 		return;
 
 	// play gme into stream
@@ -458,7 +460,7 @@ static void mix_gme(void *udata, Uint8 *stream, int len)
 
 	// apply volume to stream
 	for (i = 0, p = (short *)stream; i < len/2; i++, p++)
-		*p = ((INT32)*p) * music_volume / 31;
+		*p = ((INT32)*p) * music_volume*2 / 42;
 }
 #endif
 
@@ -476,12 +478,14 @@ void I_PauseSong(INT32 handle)
 {
 	(void)handle;
 	Mix_PauseMusic();
+	songpaused = true;
 }
 
 void I_ResumeSong(INT32 handle)
 {
 	(void)handle;
 	Mix_ResumeMusic();
+	songpaused = false;
 }
 
 //