diff --git a/src/c_bind.cpp b/src/c_bind.cpp
index a298dc296..5c1b18323 100644
--- a/src/c_bind.cpp
+++ b/src/c_bind.cpp
@@ -228,7 +228,7 @@ static const char *KeyName (int key)
 	if (KeyNames[key])
 		return KeyNames[key];
 
-	mysnprintf (name, countof(name), "#%d", key);
+	mysnprintf (name, countof(name), "Key_%d", key);
 	return name;
 }
 
diff --git a/src/g_strife/a_sentinel.cpp b/src/g_strife/a_sentinel.cpp
index fa99c827f..91adbb01e 100644
--- a/src/g_strife/a_sentinel.cpp
+++ b/src/g_strife/a_sentinel.cpp
@@ -60,7 +60,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_SentinelAttack)
 		for (int i = 8; i > 1; --i)
 		{
 			trail = Spawn("SentinelFX1",
-				self->Vec3Angle(missile->radius*i, missile->Angles.Yaw, missile->Vel.Z / 4 * i), ALLOW_REPLACE);
+				self->Vec3Angle(missile->radius*i, missile->Angles.Yaw, 32 + missile->Vel.Z / 4 * i), ALLOW_REPLACE);
 			if (trail != NULL)
 			{
 				trail->target = self;
diff --git a/src/intermission/intermission.cpp b/src/intermission/intermission.cpp
index 5b78ebc51..ba4566e9d 100644
--- a/src/intermission/intermission.cpp
+++ b/src/intermission/intermission.cpp
@@ -109,7 +109,7 @@ void DIntermissionScreen::Init(FIntermissionAction *desc, bool first)
 	}
 	else if (*texname == '$')
 	{
-		texname = GStrings[texname+1];
+		texname = GStrings(texname+1);
 	}
 	if (texname[0] != 0)
 	{
diff --git a/src/p_enemy.cpp b/src/p_enemy.cpp
index b35faa505..4568f30b7 100644
--- a/src/p_enemy.cpp
+++ b/src/p_enemy.cpp
@@ -121,30 +121,32 @@ void P_RandomChaseDir (AActor *actor);
 // PROC P_RecursiveSound
 //
 // Called by P_NoiseAlert.
-// Recursively traverse adjacent sectors,
+// Traverses adjacent sectors,
 // sound blocking lines cut off traversal.
 //----------------------------------------------------------------------------
 
-void P_RecursiveSound (sector_t *sec, AActor *soundtarget, bool splash, int soundblocks, AActor *emitter, double maxdist)
+struct NoiseTarget
+{
+	sector_t *sec;
+	int soundblocks;
+};
+static TArray<NoiseTarget> NoiseList(128);
+
+static void NoiseMarkSector(sector_t *sec, AActor *soundtarget, bool splash, AActor *emitter, int soundblocks, double maxdist)
 {
-	int 		i;
-	line_t* 	check;
-	sector_t*	other;
-	AActor*		actor;
-		
 	// wake up all monsters in this sector
 	if (sec->validcount == validcount
-		&& sec->soundtraversed <= soundblocks+1)
+		&& sec->soundtraversed <= soundblocks + 1)
 	{
 		return; 		// already flooded
 	}
-	
+
 	sec->validcount = validcount;
-	sec->soundtraversed = soundblocks+1;
+	sec->soundtraversed = soundblocks + 1;
 	sec->SoundTarget = soundtarget;
 
 	// [RH] Set this in the actors in the sector instead of the sector itself.
-	for (actor = sec->thinglist; actor != NULL; actor = actor->snext)
+	for (AActor *actor = sec->thinglist; actor != NULL; actor = actor->snext)
 	{
 		if (actor != soundtarget && (!splash || !(actor->flags4 & MF4_NOSPLASHALERT)) &&
 			(!maxdist || (actor->Distance2D(emitter) <= maxdist)))
@@ -152,31 +154,39 @@ void P_RecursiveSound (sector_t *sec, AActor *soundtarget, bool splash, int soun
 			actor->LastHeard = soundtarget;
 		}
 	}
+	NoiseList.Push({ sec, soundblocks });
+}
 
+
+static void P_RecursiveSound(sector_t *sec, AActor *soundtarget, bool splash, AActor *emitter, int soundblocks, double maxdist)
+{
 	bool checkabove = !sec->PortalBlocksSound(sector_t::ceiling);
 	bool checkbelow = !sec->PortalBlocksSound(sector_t::floor);
 
-	for (i = 0; i < sec->linecount; i++)
+	for (int i = 0; i < sec->linecount; i++)
 	{
-		check = sec->lines[i];
+		line_t *check = sec->lines[i];
 
+		// check sector portals
 		// I wish there was a better method to do this than randomly looking through the portal at a few places...
 		if (checkabove)
 		{
 			sector_t *upper = P_PointInSector(check->v1->fPos() + check->Delta() / 2 + sec->GetPortalDisplacement(sector_t::ceiling));
-			P_RecursiveSound(upper, soundtarget, splash, soundblocks, emitter, maxdist);
+			NoiseMarkSector(upper, soundtarget, splash, emitter, soundblocks, maxdist);
 		}
 		if (checkbelow)
 		{
 			sector_t *lower = P_PointInSector(check->v1->fPos() + check->Delta() / 2 + sec->GetPortalDisplacement(sector_t::floor));
-			P_RecursiveSound(lower, soundtarget, splash, soundblocks, emitter, maxdist);
+			NoiseMarkSector(lower, soundtarget, splash, emitter, soundblocks, maxdist);
 		}
+
+		// ... and line portals;
 		FLinePortal *port = check->getPortal();
 		if (port && (port->mFlags & PORTF_SOUNDTRAVERSE))
 		{
 			if (port->mDestination)
 			{
-				P_RecursiveSound(port->mDestination->frontsector, soundtarget, splash, soundblocks, emitter, maxdist);
+				NoiseMarkSector(port->mDestination->frontsector, soundtarget, splash, emitter, soundblocks, maxdist);
 			}
 		}
 
@@ -186,28 +196,29 @@ void P_RecursiveSound (sector_t *sec, AActor *soundtarget, bool splash, int soun
 		{
 			continue;
 		}
-		
+
 		// Early out for intra-sector lines
 		if (check->sidedef[0]->sector == check->sidedef[1]->sector) continue;
 
-		if ( check->sidedef[0]->sector == sec)
+		sector_t *other;
+		if (check->sidedef[0]->sector == sec)
 			other = check->sidedef[1]->sector;
 		else
 			other = check->sidedef[0]->sector;
 
 		// check for closed door
-		if ((sec->floorplane.ZatPoint (check->v1->fPos()) >=
-			 other->ceilingplane.ZatPoint (check->v1->fPos()) &&
-			 sec->floorplane.ZatPoint (check->v2->fPos()) >=
-			 other->ceilingplane.ZatPoint (check->v2->fPos()))
-		 || (other->floorplane.ZatPoint (check->v1->fPos()) >=
-			 sec->ceilingplane.ZatPoint (check->v1->fPos()) &&
-			 other->floorplane.ZatPoint (check->v2->fPos()) >=
-			 sec->ceilingplane.ZatPoint (check->v2->fPos()))
-		 || (other->floorplane.ZatPoint (check->v1->fPos()) >=
-			 other->ceilingplane.ZatPoint (check->v1->fPos()) &&
-			 other->floorplane.ZatPoint (check->v2->fPos()) >=
-			 other->ceilingplane.ZatPoint (check->v2->fPos())))
+		if ((sec->floorplane.ZatPoint(check->v1->fPos()) >=
+			other->ceilingplane.ZatPoint(check->v1->fPos()) &&
+			sec->floorplane.ZatPoint(check->v2->fPos()) >=
+			other->ceilingplane.ZatPoint(check->v2->fPos()))
+			|| (other->floorplane.ZatPoint(check->v1->fPos()) >=
+				sec->ceilingplane.ZatPoint(check->v1->fPos()) &&
+				other->floorplane.ZatPoint(check->v2->fPos()) >=
+				sec->ceilingplane.ZatPoint(check->v2->fPos()))
+			|| (other->floorplane.ZatPoint(check->v1->fPos()) >=
+				other->ceilingplane.ZatPoint(check->v1->fPos()) &&
+				other->floorplane.ZatPoint(check->v2->fPos()) >=
+				other->ceilingplane.ZatPoint(check->v2->fPos())))
 		{
 			continue;
 		}
@@ -215,17 +226,18 @@ void P_RecursiveSound (sector_t *sec, AActor *soundtarget, bool splash, int soun
 		if (check->flags & ML_SOUNDBLOCK)
 		{
 			if (!soundblocks)
-				P_RecursiveSound (other, soundtarget, splash, 1, emitter, maxdist);
+				NoiseMarkSector(other, soundtarget, splash, emitter, 1, maxdist);
 		}
 		else
 		{
-			P_RecursiveSound (other, soundtarget, splash, soundblocks, emitter, maxdist);
+			NoiseMarkSector(other, soundtarget, splash, emitter, soundblocks, maxdist);
 		}
 	}
 }
 
 
 
+
 //----------------------------------------------------------------------------
 //
 // PROC P_NoiseAlert
@@ -244,7 +256,11 @@ void P_NoiseAlert (AActor *target, AActor *emitter, bool splash, double maxdist)
 		return;
 
 	validcount++;
-	P_RecursiveSound (emitter->Sector, target, splash, 0, emitter, maxdist);
+	NoiseMarkSector(emitter->Sector, target, splash, emitter, 0, maxdist);
+	for (unsigned i = 0; i < NoiseList.Size(); i++)
+	{
+		P_RecursiveSound(NoiseList[i].sec, target, splash, emitter, NoiseList[i].soundblocks, maxdist);
+	}
 }
 
 
diff --git a/src/p_enemy.h b/src/p_enemy.h
index 298c60725..1be77a4ec 100644
--- a/src/p_enemy.h
+++ b/src/p_enemy.h
@@ -46,7 +46,6 @@ struct FLookExParams
 };
 
 void P_DaggerAlert (AActor *target, AActor *emitter);
-void P_RecursiveSound (sector_t *sec, AActor *soundtarget, bool splash, int soundblocks, AActor *emitter=NULL, double maxdist=0);
 bool P_HitFriend (AActor *self);
 void P_NoiseAlert (AActor *target, AActor *emmiter, bool splash=false, double maxdist=0);
 
diff --git a/src/p_map.cpp b/src/p_map.cpp
index 36a13b040..193bbf93b 100644
--- a/src/p_map.cpp
+++ b/src/p_map.cpp
@@ -6498,7 +6498,7 @@ void AActor::UpdateRenderSectorList()
 		while (!sec->PortalBlocksMovement(sector_t::ceiling))
 		{
 			double planeh = sec->GetPortalPlaneZ(sector_t::ceiling);
-			if (planeh < lasth) break;	// broken setup.
+			if (planeh <= lasth) break;	// broken setup.
 			if (Top() + SPRITE_SPACE < planeh) break;
 			lasth = planeh;
 			DVector2 newpos = Pos() + sec->GetPortalDisplacement(sector_t::ceiling);
@@ -6509,7 +6509,7 @@ void AActor::UpdateRenderSectorList()
 		while (!sec->PortalBlocksMovement(sector_t::floor))
 		{
 			double planeh = sec->GetPortalPlaneZ(sector_t::floor);
-			if (planeh > lasth) break;	// broken setup.
+			if (planeh >= lasth) break;	// broken setup.
 			if (Z() - SPRITE_SPACE > planeh) break;
 			lasth = planeh;
 			DVector2 newpos = Pos() + sec->GetPortalDisplacement(sector_t::floor);
diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index 7e77b0aa2..f3ee142a9 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -3561,10 +3561,10 @@ void AActor::Tick ()
 						scrolltype -= Carry_East5;
 						BYTE dir = HereticScrollDirs[scrolltype / 5];
 						double carryspeed = HereticSpeedMuls[scrolltype % 5] * (1. / (32 * CARRYFACTOR));
-						if (scrolltype<=Carry_East35 && !(i_compatflags&COMPATF_RAVENSCROLL)) 
+						if (scrolltype < 5 && !(i_compatflags&COMPATF_RAVENSCROLL)) 
 						{
 							// Use speeds that actually match the scrolling textures!
-							carryspeed = (1 << ((scrolltype%5) - 1));
+							carryspeed = (1 << ((scrolltype % 5) + 15)) / 65536.;
 						}
 						scrollv.X += carryspeed * ((dir & 3) - 1);
 						scrollv.Y += carryspeed * (((dir & 12) >> 2) - 1);
diff --git a/src/p_terrain.cpp b/src/p_terrain.cpp
index 1b3226780..ca5a8b998 100644
--- a/src/p_terrain.cpp
+++ b/src/p_terrain.cpp
@@ -497,7 +497,7 @@ static void ParseFriction (FScanner &sc, int keyword, void *fields)
 	friction = (0x1EB8*(sc.Float*100))/0x80 + 0xD001;
 	friction = clamp<double> (friction, 0, 65536.);
 
-	if (friction > ORIG_FRICTION)	// ice
+	if (friction > ORIG_FRICTION * 65536.)	// ice
 		movefactor = ((0x10092 - friction) * 1024) / 4352 + 568;
 	else
 		movefactor = ((friction - 0xDB34)*(0xA))/0x80;
diff --git a/src/portal.cpp b/src/portal.cpp
index d5e9d1c39..a414cf53b 100644
--- a/src/portal.cpp
+++ b/src/portal.cpp
@@ -312,7 +312,7 @@ void P_SpawnLinePortal(line_t* line)
 		else
 		{
 			port->mAlign = BYTE(line->args[3] >= PORG_ABSOLUTE && line->args[3] <= PORG_CEILING ? line->args[3] : PORG_ABSOLUTE);
-			if (port->mType == PORTT_INTERACTIVE)
+			if (port->mType == PORTT_INTERACTIVE && port->mAlign != PORG_ABSOLUTE)
 			{
 				// Due to the way z is often handled, these pose a major issue for parts of the code that needs to transparently handle interactive portals.
 				Printf(TEXTCOLOR_RED "Warning: z-offsetting not allowed for interactive portals. Changing line %d to teleport-portal!\n", int(line - lines));
diff --git a/src/posix/cocoa/i_video.mm b/src/posix/cocoa/i_video.mm
index c4595678c..3ff5b28d7 100644
--- a/src/posix/cocoa/i_video.mm
+++ b/src/posix/cocoa/i_video.mm
@@ -789,7 +789,6 @@ void CocoaVideo::SetFullscreenMode(const int width, const int height)
 	}
 
 	[m_window setFrame:screenFrame display:YES];
-	[m_window setFrameOrigin:NSMakePoint(0.0f, 0.0f)];
 }
 
 void CocoaVideo::SetWindowedMode(const int width, const int height)
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index afbc036a6..feec1aceb 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -1226,8 +1226,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_Explode)
 	P_CheckSplash(self, distance);
 	if (alert && self->target != NULL && self->target->player != NULL)
 	{
-		validcount++;
-		P_RecursiveSound (self->Sector, self->target, false, 0);
+		P_NoiseAlert(self->target, self);
 	}
 	return 0;
 }
@@ -3439,7 +3438,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_Burst)
 
 		if (mo)
 		{
-			mo->Vel.Z = 4 * (mo->Z() - self->Z()) * self->Height;
+			mo->Vel.Z = 4 * (mo->Z() - self->Z()) / self->Height;
 			mo->Vel.X = pr_burst.Random2() / 128.;
 			mo->Vel.Y = pr_burst.Random2() / 128.;
 			mo->RenderStyle = self->RenderStyle;
@@ -5635,16 +5634,17 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_RadiusGive)
 	PARAM_FLOAT		(distance);
 	PARAM_INT		(flags);
 	PARAM_INT_OPT	(amount)	{ amount = 0; }
-	PARAM_CLASS_OPT	(filter, AActor)	{ filter = NULL; }
+	PARAM_CLASS_OPT	(filter, AActor)	{ filter = nullptr; }
 	PARAM_NAME_OPT	(species)	{ species = NAME_None; }
 	PARAM_FLOAT_OPT	(mindist)	{ mindist = 0; }
+	PARAM_INT_OPT	(limit)		{ limit = 0; }
 
 	// We need a valid item, valid targets, and a valid range
-	if (item == NULL || (flags & RGF_MASK) == 0 || !flags || distance <= 0 || mindist >= distance)
+	if (item == nullptr || (flags & RGF_MASK) == 0 || !flags || distance <= 0 || mindist >= distance)
 	{
 		ACTION_RETURN_INT(0);
 	}
-	
+	bool unlimited = (limit <= 0);
 	if (amount == 0)
 	{
 		amount = 1;
@@ -5654,7 +5654,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_RadiusGive)
 	if (flags & RGF_MISSILES)
 	{
 		TThinkerIterator<AActor> it;
-		while ((thing = it.Next()))
+		while ((thing = it.Next()) && ((unlimited) || (given < limit)))
 		{
 			given += DoRadiusGive(self, thing, item, amount, distance, flags, filter, species, mindist);
 		}
@@ -5666,7 +5666,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_RadiusGive)
 		FMultiBlockThingsIterator it(check, self->X(), self->Y(), mid-distance, mid+distance, distance, false, self->Sector);
 		FMultiBlockThingsIterator::CheckResult cres;
 
-		while ((it.Next(&cres)))
+		while ((it.Next(&cres)) && ((unlimited) || (given < limit)))
 		{
 			given += DoRadiusGive(self, cres.thing, item, amount, distance, flags, filter, species, mindist);
 		}
diff --git a/wadsrc/static/actors/actor.txt b/wadsrc/static/actors/actor.txt
index 44ebb1dc3..fbb16dc80 100644
--- a/wadsrc/static/actors/actor.txt
+++ b/wadsrc/static/actors/actor.txt
@@ -237,7 +237,7 @@ ACTOR Actor native //: Thinker
 	native state A_JumpIfInTargetInventory(class<Inventory> itemtype, int amount, state label, int forward_ptr = AAPTR_DEFAULT);
 	native bool A_GiveToTarget(class<Inventory> itemtype, int amount = 0, int forward_ptr = AAPTR_DEFAULT);
 	native bool A_TakeFromTarget(class<Inventory> itemtype, int amount = 0, int flags = 0, int forward_ptr = AAPTR_DEFAULT);
-	native int A_RadiusGive(class<Inventory> itemtype, float distance, int flags, int amount = 0, class<Actor> filter = "None", name species = "None", int mindist = 0);
+	native int A_RadiusGive(class<Inventory> itemtype, float distance, int flags, int amount = 0, class<Actor> filter = "None", name species = "None", int mindist = 0, int limit = 0);
 	native state A_CheckSpecies(state jump, name species = "", int ptr = AAPTR_DEFAULT);
 	native void A_CountdownArg(int argnum, state targstate = "");
 	action native A_CustomMeleeAttack(int damage = 0, sound meleesound = "", sound misssound = "", name damagetype = "none", bool bleed = true);