diff --git a/src/common/audio/sound/s_soundinternal.h b/src/common/audio/sound/s_soundinternal.h
index cbdeae464..df6943c5d 100644
--- a/src/common/audio/sound/s_soundinternal.h
+++ b/src/common/audio/sound/s_soundinternal.h
@@ -254,6 +254,11 @@ public:
 
 	virtual void StopChannel(FSoundChan* chan);
 	sfxinfo_t* LoadSound(sfxinfo_t* sfx);
+	const sfxinfo_t* GetSfx(unsigned snd)
+	{
+		if (snd >= S_sfx.Size()) return nullptr;
+		return &S_sfx[snd];
+	}
 
 	// Initializes sound stuff, including volume
 	// Sets channels, SFX and music volume,
diff --git a/src/common/console/c_console.cpp b/src/common/console/c_console.cpp
index 365d92889..48c7b86de 100644
--- a/src/common/console/c_console.cpp
+++ b/src/common/console/c_console.cpp
@@ -70,6 +70,8 @@
 #define RIGHTMARGIN 8
 #define BOTTOMARGIN 12
 
+extern bool AppActive;
+
 CUSTOM_CVAR(Int, con_buffersize, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 {
 	// ensure a minimum size
@@ -1039,7 +1041,7 @@ static bool C_HandleKey (event_t *ev, FCommandBuffer &buffer)
 			// Close console and clear command line. But if we're in the
 			// fullscreen console mode, there's nothing to fall back on
 			// if it's closed, so open the main menu instead.
-			if (gamestate == GS_STARTUP)
+			if (gamestate == GS_STARTUP || !AppActive)
 			{
 				return false;
 			}
diff --git a/src/common/engine/namedef.h b/src/common/engine/namedef.h
index 8be149bea..cf8b8da62 100644
--- a/src/common/engine/namedef.h
+++ b/src/common/engine/namedef.h
@@ -525,6 +525,7 @@ xx(ZDoom)
 xx(ZDoomTranslated)
 xx(Vavoom)
 xx(GZDoom)
+xx(Eternity)
 
 xx(Xpanningfloor)
 xx(Ypanningfloor)
diff --git a/src/common/engine/printf.h b/src/common/engine/printf.h
index 35efdd5fd..3c6164f76 100644
--- a/src/common/engine/printf.h
+++ b/src/common/engine/printf.h
@@ -86,6 +86,7 @@ int Printf (int printlevel, const char *format, ...) ATTRIBUTE((format(printf,2,
 int Printf (const char *format, ...) ATTRIBUTE((format(printf,1,2)));
 int DPrintf (int level, const char *format, ...) ATTRIBUTE((format(printf,2,3)));
 
+void I_DebugPrint(const char* cp);
 void debugprintf(const char* f, ...);	// Prints to the debugger's log.
 
 // flag to silence non-error output
diff --git a/src/common/models/models_md3.cpp b/src/common/models/models_md3.cpp
index 15224e4fe..ba17eb83a 100644
--- a/src/common/models/models_md3.cpp
+++ b/src/common/models/models_md3.cpp
@@ -306,7 +306,7 @@ void FMD3Model::AddSkins(uint8_t *hitlist)
 {
 	for (unsigned i = 0; i < Surfaces.Size(); i++)
 	{
-		if (curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i].isValid())
+		if (curSpriteMDLFrame && curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i].isValid())
 		{
 			hitlist[curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i].GetIndex()] |= FTextureManager::HIT_Flat;
 		}
@@ -357,13 +357,16 @@ void FMD3Model::RenderFrame(FModelRenderer *renderer, FGameTexture * skin, int f
 		FGameTexture *surfaceSkin = skin;
 		if (!surfaceSkin)
 		{
-			if (curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i].isValid())
+			if (curSpriteMDLFrame)
 			{
-				surfaceSkin = TexMan.GetGameTexture(curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i], true);
-			}
-			else if (surf->numSkins > 0 && surf->Skins[0].isValid())
-			{
-				surfaceSkin = TexMan.GetGameTexture(surf->Skins[0], true);
+				if (curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i].isValid())
+				{
+					surfaceSkin = TexMan.GetGameTexture(curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i], true);
+				}
+				else if (surf->numSkins > 0 && surf->Skins[0].isValid())
+				{
+					surfaceSkin = TexMan.GetGameTexture(surf->Skins[0], true);
+				}
 			}
 
 			if (!surfaceSkin)
diff --git a/src/common/models/models_obj.cpp b/src/common/models/models_obj.cpp
index 264ffd6ac..cd0e99536 100644
--- a/src/common/models/models_obj.cpp
+++ b/src/common/models/models_obj.cpp
@@ -636,7 +636,7 @@ void FOBJModel::RenderFrame(FModelRenderer *renderer, FGameTexture * skin, int f
 		OBJSurface *surf = &surfaces[i];
 
 		FGameTexture *userSkin = skin;
-		if (!userSkin)
+		if (!userSkin && curSpriteMDLFrame)
 		{
 			if (i < MD3_MAX_SURFACES && curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i].isValid())
 			{
@@ -669,7 +669,7 @@ void FOBJModel::AddSkins(uint8_t* hitlist)
 {
 	for (size_t i = 0; i < surfaces.Size(); i++)
 	{
-		if (i < MD3_MAX_SURFACES && curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i].isValid())
+		if (curSpriteMDLFrame && i < MD3_MAX_SURFACES && curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][i].isValid())
 		{
 			// Precache skins manually reassigned by the user.
 			// On OBJs with lots of skins, such as Doom map OBJs exported from GZDB,
diff --git a/src/common/models/models_ue1.cpp b/src/common/models/models_ue1.cpp
index 3066b7759..7210a26f2 100644
--- a/src/common/models/models_ue1.cpp
+++ b/src/common/models/models_ue1.cpp
@@ -242,7 +242,7 @@ void FUE1Model::RenderFrame( FModelRenderer *renderer, FGameTexture *skin, int f
 		FGameTexture *sskin = skin;
 		if ( !sskin )
 		{
-			if ( curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][groups[i].texNum].isValid() )
+			if (curSpriteMDLFrame && curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][groups[i].texNum].isValid() )
 				sskin = TexMan.GetGameTexture(curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][groups[i].texNum], true);
 			if ( !sskin )
 			{
@@ -303,7 +303,7 @@ void FUE1Model::BuildVertexBuffer( FModelRenderer *renderer )
 void FUE1Model::AddSkins( uint8_t *hitlist )
 {
 	for ( int i=0; i<numGroups; i++ )
-		if ( curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][groups[i].texNum].isValid() )
+		if (curSpriteMDLFrame && curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][groups[i].texNum].isValid() )
 			hitlist[curSpriteMDLFrame->surfaceskinIDs[curMDLIndex][groups[i].texNum].GetIndex()] |= FTextureManager::HIT_Flat;
 }
 
diff --git a/src/common/models/models_voxel.cpp b/src/common/models/models_voxel.cpp
index cfac12372..2be0521ad 100644
--- a/src/common/models/models_voxel.cpp
+++ b/src/common/models/models_voxel.cpp
@@ -37,6 +37,7 @@
 #include "texturemanager.h"
 #include "palettecontainer.h"
 #include "textures.h"
+#include "imagehelpers.h"
 
 #ifdef _MSC_VER
 #pragma warning(disable:4244) // warning C4244: conversion from 'double' to 'float', possible loss of data
@@ -99,6 +100,7 @@ TArray<uint8_t> FVoxelTexture::CreatePalettedPixels(int conversion)
 			pe.b = (pp[2] << 2) | (pp[2] >> 4);
 			// Alphatexture handling is just for completeness, but rather unlikely to be used ever.
 			Pixels[i] = conversion == luminance ? pe.r : ColorMatcher.Pick(pe);
+			
 		}
 	}
 	else 
@@ -108,6 +110,7 @@ TArray<uint8_t> FVoxelTexture::CreatePalettedPixels(int conversion)
 			Pixels[i] = (uint8_t)i;
 		}
 	}  
+	ImageHelpers::FlipSquareBlock(Pixels.Data(), Width);
 	return Pixels;
 }
 
diff --git a/src/common/statusbar/base_sbar.cpp b/src/common/statusbar/base_sbar.cpp
index 18cbe778c..b0e917872 100644
--- a/src/common/statusbar/base_sbar.cpp
+++ b/src/common/statusbar/base_sbar.cpp
@@ -452,16 +452,16 @@ void DStatusBarCore::StatusbarToRealCoords(double& x, double& y, double& w, doub
 //
 //============================================================================
 
-void DStatusBarCore::DrawGraphic(FTextureID texture, double x, double y, int flags, double Alpha, double boxwidth, double boxheight, double scaleX, double scaleY, PalEntry color, int translation, double rotate, ERenderStyle style)
+void DStatusBarCore::DrawGraphic(FTextureID texture, double x, double y, int flags, double Alpha, double boxwidth, double boxheight, double scaleX, double scaleY, PalEntry color, int translation, ERenderStyle style, double clipwidth)
 {
 	if (!texture.isValid())
 		return;
 
 	FGameTexture* tex = TexMan.GetGameTexture(texture, !(flags & DI_DONTANIMATE));
-	DrawGraphic(tex, x, y, flags, Alpha, boxwidth, boxheight, scaleX, scaleY, color, translation, rotate, style);
+	DrawGraphic(tex, x, y, flags, Alpha, boxwidth, boxheight, scaleX, scaleY, color, translation, style);
 }
 
-void DStatusBarCore::DrawGraphic(FGameTexture* tex, double x, double y, int flags, double Alpha, double boxwidth, double boxheight, double scaleX, double scaleY, PalEntry color, int translation, double rotate, ERenderStyle style)
+void DStatusBarCore::DrawGraphic(FGameTexture* tex, double x, double y, int flags, double Alpha, double boxwidth, double boxheight, double scaleX, double scaleY, PalEntry color, int translation, ERenderStyle style, double clipwidth)
 {
 	double texwidth = tex->GetDisplayWidth() * scaleX;
 	double texheight = tex->GetDisplayHeight() * scaleY;
@@ -582,6 +582,10 @@ void DStatusBarCore::DrawGraphic(FGameTexture* tex, double x, double y, int flag
 		DTA_LeftOffset, 0,
 		DTA_DestWidthF, boxwidth,
 		DTA_DestHeightF, boxheight,
+		DTA_ClipLeft, 0,
+		DTA_ClipTop, 0,
+		DTA_ClipBottom, twod->GetHeight(),
+		DTA_ClipRight, clipwidth < 0? twod->GetWidth() : int(x + boxwidth * clipwidth),
 		DTA_Color, color,
 		DTA_TranslationIndex, translation? translation : (flags & DI_TRANSLATABLE) ? GetTranslation() : 0,
 		DTA_ColorOverlay, (flags & DI_DIM) ? MAKEARGB(170, 0, 0, 0) : 0,
@@ -590,7 +594,96 @@ void DStatusBarCore::DrawGraphic(FGameTexture* tex, double x, double y, int flag
 		DTA_FillColor, (flags & DI_ALPHAMAPPED) ? 0 : -1,
 		DTA_FlipX, !!(flags & DI_MIRROR),
 		DTA_FlipY, !!(flags& DI_MIRRORY),
-		DTA_Rotate, rotate,
+		DTA_LegacyRenderStyle, style,
+		TAG_DONE);
+}
+
+
+//============================================================================
+//
+// draw stuff
+//
+//============================================================================
+
+void DStatusBarCore::DrawRotated(FTextureID texture, double x, double y, double angle, int flags, double Alpha, double scaleX, double scaleY, PalEntry color, int translation, ERenderStyle style)
+{
+	if (!texture.isValid())
+		return;
+
+	FGameTexture* tex = TexMan.GetGameTexture(texture, !(flags & DI_DONTANIMATE));
+	DrawRotated(tex, x, y, angle, flags, Alpha, scaleX, scaleY, color, translation, style);
+}
+
+void DStatusBarCore::DrawRotated(FGameTexture* tex, double x, double y, int flags, double angle, double Alpha, double scaleX, double scaleY, PalEntry color, int translation, ERenderStyle style)
+{
+	double texwidth = tex->GetDisplayWidth() * scaleX;
+	double texheight = tex->GetDisplayHeight() * scaleY;
+	double texleftoffs = tex->GetDisplayLeftOffset() * scaleY;
+	double textopoffs = tex->GetDisplayTopOffset() * scaleY;
+
+	// resolve auto-alignment before making any adjustments to the position values.
+	if (!(flags & DI_SCREEN_MANUAL_ALIGN))
+	{
+		if (x < 0) flags |= DI_SCREEN_RIGHT;
+		else flags |= DI_SCREEN_LEFT;
+		if (y < 0) flags |= DI_SCREEN_BOTTOM;
+		else flags |= DI_SCREEN_TOP;
+	}
+
+	Alpha *= this->Alpha;
+	if (Alpha <= 0) return;
+	x += drawOffset.X;
+	y += drawOffset.Y;
+	DVector2 Scale = GetHUDScale();
+
+	scaleX = 1 / scaleX;
+	scaleY = 1 / scaleY;
+
+	if (!fullscreenOffsets)
+	{
+		StatusbarToRealCoords(x, y, texwidth, texheight);
+	}
+	else
+	{
+		double orgx, orgy;
+
+		switch (flags & DI_SCREEN_HMASK)
+		{
+		default: orgx = 0; break;
+		case DI_SCREEN_HCENTER: orgx = twod->GetWidth() / 2; break;
+		case DI_SCREEN_RIGHT:   orgx = twod->GetWidth(); break;
+		}
+
+		switch (flags & DI_SCREEN_VMASK)
+		{
+		default: orgy = 0; break;
+		case DI_SCREEN_VCENTER: orgy = twod->GetHeight() / 2; break;
+		case DI_SCREEN_BOTTOM: orgy = twod->GetHeight(); break;
+		}
+
+		// move stuff in the top right corner a bit down if the fps counter is on.
+		if ((flags & (DI_SCREEN_HMASK | DI_SCREEN_VMASK)) == DI_SCREEN_RIGHT_TOP && vid_fps) y += 10;
+
+		x *= Scale.X;
+		y *= Scale.Y;
+		scaleX *= Scale.X;
+		scaleY *= Scale.Y;
+		x += orgx;
+		y += orgy;
+	}
+	DrawTexture(twod, tex, x, y,
+		DTA_ScaleX, scaleX,
+		DTA_ScaleY, scaleY,
+		DTA_Color, color,
+		DTA_CenterOffsetRel, !!(flags & DI_ITEM_RELCENTER),
+		DTA_Rotate, angle,
+		DTA_TranslationIndex, translation ? translation : (flags & DI_TRANSLATABLE) ? GetTranslation() : 0,
+		DTA_ColorOverlay, (flags & DI_DIM) ? MAKEARGB(170, 0, 0, 0) : 0,
+		DTA_Alpha, Alpha,
+		DTA_AlphaChannel, !!(flags & DI_ALPHAMAPPED),
+		DTA_FillColor, (flags & DI_ALPHAMAPPED) ? 0 : -1,
+		DTA_FlipX, !!(flags & DI_MIRROR),
+		DTA_FlipY, !!(flags & DI_MIRRORY),
 		DTA_LegacyRenderStyle, style,
 		TAG_DONE);
 }
diff --git a/src/common/statusbar/base_sbar.h b/src/common/statusbar/base_sbar.h
index 75daeb826..02c66ba26 100644
--- a/src/common/statusbar/base_sbar.h
+++ b/src/common/statusbar/base_sbar.h
@@ -184,8 +184,10 @@ public:
 	virtual void SetScale();
 	void ValidateResolution(int& hres, int& vres) const;
 	void StatusbarToRealCoords(double& x, double& y, double& w, double& h) const;
-	void DrawGraphic(FGameTexture* texture, double x, double y, int flags, double Alpha, double boxwidth, double boxheight, double scaleX, double scaleY, PalEntry color = 0xffffffff, int translation = 0, double rotate = 0, ERenderStyle style = STYLE_Translucent);
-	void DrawGraphic(FTextureID texture, double x, double y, int flags, double Alpha, double boxwidth, double boxheight, double scaleX, double scaleY, PalEntry color = 0xffffffff, int translation = 0, double rotate = 0, ERenderStyle style = STYLE_Translucent);
+	void DrawGraphic(FGameTexture* texture, double x, double y, int flags, double Alpha, double boxwidth, double boxheight, double scaleX, double scaleY, PalEntry color = 0xffffffff, int translation = 0, ERenderStyle style = STYLE_Translucent, double clipwidth = -1.0);
+	void DrawGraphic(FTextureID texture, double x, double y, int flags, double Alpha, double boxwidth, double boxheight, double scaleX, double scaleY, PalEntry color = 0xffffffff, int translation = 0, ERenderStyle style = STYLE_Translucent, double clipwidth = -1.0);
+	void DrawRotated(FTextureID texture, double x, double y, double angle, int flags, double Alpha, double scaleX, double scaleY, PalEntry color = 0xffffffff, int translation = 0, ERenderStyle style = STYLE_Translucent);
+	void DrawRotated(FGameTexture* tex, double x, double y, int flags, double angle, double Alpha, double scaleX, double scaleY, PalEntry color = 0xffffffff, int translation = 0, ERenderStyle style = STYLE_Translucent);
 	void DrawString(FFont* font, const FString& cstring, double x, double y, int flags, double Alpha, int translation, int spacing, EMonospacing monospacing, int shadowX, int shadowY, double scaleX, double scaleY, int pt);
 	void TransformRect(double& x, double& y, double& w, double& h, int flags = 0);
 	void Fill(PalEntry color, double x, double y, double w, double h, int flags = 0);
diff --git a/src/common/textures/formats/pngtexture.cpp b/src/common/textures/formats/pngtexture.cpp
index 03997f8e5..37254b32a 100644
--- a/src/common/textures/formats/pngtexture.cpp
+++ b/src/common/textures/formats/pngtexture.cpp
@@ -115,11 +115,6 @@ FImageSource *PNGImage_TryCreate(FileReader & data, int lumpnum)
 	uint8_t filter = data.ReadUInt8();
 	uint8_t interlace = data.ReadUInt8();
 
-	// NOTICE: GZDoom is the ONLY program in the typical development stack (GIMP, Slade, UDB) which does not support these formats
-	// As such, the average developer will have no other way to figure out what's going wrong without these: these CANNOT be allowed to fail silently.
-	// As things like PNG-compression and 64-bit color become more common in royalty-free PBR materials, support should be an eventual target.
-	// Even then, these warnings should remain to prevent this from being an issue the next time things change.
-
 	if (compression != 0 || filter != 0 || interlace > 1)
 	{
 		Printf(TEXTCOLOR_YELLOW"WARNING: failed to load PNG %s: the compression, filter, or interlace is not supported!\n", fileSystem.GetFileFullName(lumpnum));
diff --git a/src/common/utility/findfile.cpp b/src/common/utility/findfile.cpp
index ac0ca8fdf..6006a34a1 100644
--- a/src/common/utility/findfile.cpp
+++ b/src/common/utility/findfile.cpp
@@ -208,10 +208,10 @@ bool D_AddFile(TArray<FString>& wadfiles, const char* file, bool check, int posi
 	// Confirm file exists in filesystem.
 	struct stat info;
 	bool found = stat(file, &info) == 0;
+	FString fullpath = file;
 	if (!found)
 	{
 		// File not found, so split file into path and filename so we can enumerate the path for the file.
-		FString fullpath = file;
 		auto lastindex = fullpath.LastIndexOf("/");
 		FString basepath = fullpath.Left(lastindex);
 		FString filename = fullpath.Right(fullpath.Len() - lastindex - 1);
diff --git a/src/maploader/udmf.cpp b/src/maploader/udmf.cpp
index 621ad1b28..0b5e5f642 100644
--- a/src/maploader/udmf.cpp
+++ b/src/maploader/udmf.cpp
@@ -761,6 +761,10 @@ public:
 					ReadUserKey(ukey);
 					loader->MapThingsUserData.Push(ukey);
 				}
+				else
+				{
+					DPrintf(DMSG_WARNING, "Unknown UDMF thing key %s\n", key.GetChars());
+				}
 				break;
 			}
 		}
@@ -1111,6 +1115,7 @@ public:
 				break;
 
 			default:
+				DPrintf(DMSG_WARNING, "Unknown UDMF linedef key %s\n", key.GetChars());
 				break;
 			}
 
@@ -1425,6 +1430,7 @@ public:
 				break;
 
 			default:
+				DPrintf(DMSG_WARNING, "Unknown UDMF sidedef key %s\n", key.GetChars());
 				break;
 
 			}
@@ -1929,6 +1935,7 @@ public:
 					break;
 					
 				default:
+					DPrintf(DMSG_WARNING, "Unknown UDMF sector key %s\n", key.GetChars());
 					break;
 			}
 			if ((namespace_bits & (Zd | Zdt)) && !strnicmp("user_", key.GetChars(), 5))
@@ -2179,6 +2186,7 @@ public:
 			switch(namespc.GetIndex())
 			{
 			case NAME_ZDoom:
+			case NAME_Eternity:
 				namespace_bits = Zd;
 				isTranslated = false;
 				break;