diff --git a/README.md b/README.md
index 35a2c1be4..60720381e 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Please see license files for individual contributor licenses
 
 Special thanks to Coraline of the 3DGE team for allowing us to use her README.md as a template for this one.
 
-### Licensed under the GPL v3 (or greater)
+### Licensed under the GPL v3
 ##### https://www.gnu.org/licenses/quick-guide-gplv3.en.html
 ---
 
diff --git a/src/gl/data/gl_vertexbuffer.cpp b/src/gl/data/gl_vertexbuffer.cpp
index bf867f13e..cd7549aa8 100644
--- a/src/gl/data/gl_vertexbuffer.cpp
+++ b/src/gl/data/gl_vertexbuffer.cpp
@@ -249,10 +249,7 @@ void FFlatVertexBuffer::Unmap()
 void FFlatVertexBuffer::CreateVBO()
 {
 	vbo_shadowdata.Resize(mNumReserved);
-	if (!gl.legacyMode)
-	{
-		FFlatVertexGenerator::CreateVertices();
-	}
+	FFlatVertexGenerator::CreateVertices();
 	mCurIndex = mIndex = vbo_shadowdata.Size();
 	Map();
 	memcpy(map, &vbo_shadowdata[0], vbo_shadowdata.Size() * sizeof(FFlatVertex));
diff --git a/src/gl/scene/gl_flats.cpp b/src/gl/scene/gl_flats.cpp
index 70ca080f2..63c4f9a01 100644
--- a/src/gl/scene/gl_flats.cpp
+++ b/src/gl/scene/gl_flats.cpp
@@ -207,11 +207,15 @@ void FDrawInfo::ProcessLights(GLFlat *flat, bool istrans)
 void FDrawInfo::DrawSubsectors(GLFlat *flat, int pass, bool processlights, bool istrans)
 {
 	int dli = flat->dynlightindex;
+	auto vcount = flat->sector->ibocount;
 
 	gl_RenderState.Apply();
-	if (gl.legacyMode) processlights = false;
+	if (gl.legacyMode)
+	{
+		processlights = false;
+		goto legacy;
+	}
 
-	auto vcount = flat->sector->ibocount;
 	if (vcount > 0 && !gl_RenderState.GetClipLineShouldBeActive())
 	{
 		if (processlights) SetupSectorLights(flat, GLPASS_ALL, &dli);
@@ -243,6 +247,7 @@ void FDrawInfo::DrawSubsectors(GLFlat *flat, int pass, bool processlights, bool
 	}
 	else
 	{
+		legacy:
 		// Draw the subsectors belonging to this sector
 		for (int i=0; i<flat->sector->subsectorcount; i++)
 		{
diff --git a/src/hwrenderer/scene/hw_bsp.cpp b/src/hwrenderer/scene/hw_bsp.cpp
index 4393424c1..1c7041d46 100644
--- a/src/hwrenderer/scene/hw_bsp.cpp
+++ b/src/hwrenderer/scene/hw_bsp.cpp
@@ -75,6 +75,21 @@ void HWDrawInfo::UnclipSubsector(subsector_t *sub)
 //
 //==========================================================================
 
+CVAR(Float, gl_line_distance_cull, 0.0, 0 /*CVAR_ARCHIVE|CVAR_GLOBALCONFIG*/) // this is deactivated, for now
+
+inline bool IsDistanceCulled(seg_t *line)
+{
+	double dist3 = gl_line_distance_cull * gl_line_distance_cull;
+	if (dist3 <= 0.0)
+		return false;
+
+	double dist1 = (line->v1->fPos() - r_viewpoint.Pos).LengthSquared();
+	double dist2 = (line->v2->fPos() - r_viewpoint.Pos).LengthSquared();
+	if ((dist1 > dist3) && (dist2 > dist3))
+		return true;
+	return false;
+}
+
 void HWDrawInfo::AddLine (seg_t *seg, bool portalclip)
 {
 #ifdef _DEBUG
@@ -123,6 +138,8 @@ void HWDrawInfo::AddLine (seg_t *seg, bool portalclip)
 
 	uint8_t ispoly = uint8_t(seg->sidedef->Flags & WALLF_POLYOBJ);
 
+	if (IsDistanceCulled(seg)) { clipper.SafeAddClipRange(startAngle, endAngle); return; }
+
 	if (!seg->backsector)
 	{
 		clipper.SafeAddClipRange(startAngle, endAngle);
diff --git a/src/hwrenderer/scene/hw_walls.cpp b/src/hwrenderer/scene/hw_walls.cpp
index b70c4ebf8..f8ed6d30d 100644
--- a/src/hwrenderer/scene/hw_walls.cpp
+++ b/src/hwrenderer/scene/hw_walls.cpp
@@ -1522,7 +1522,7 @@ void GLWall::Process(HWDrawInfo *di, seg_t *seg, sector_t * frontsector, sector_
 		}
 		v1 = seg->v1;
 		v2 = seg->v2;
-		flags |= GLWF_NOSPLITLOWER | GLWF_NOSPLITLOWER;	// seg-splitting not needed for single segs.
+		flags |= GLWF_NOSPLITUPPER | GLWF_NOSPLITLOWER;	// seg-splitting not needed for single segs.
 	}
 
 
diff --git a/src/r_data/models/models.cpp b/src/r_data/models/models.cpp
index 1a898f062..b8b324524 100644
--- a/src/r_data/models/models.cpp
+++ b/src/r_data/models/models.cpp
@@ -94,8 +94,16 @@ void FModelRenderer::RenderModel(float x, float y, float z, FSpriteModelFrame *s
 
 	if (smf->flags & MDL_ROTATING)
 	{
-		double turns = (I_GetTime() % 200 + I_GetTimeFrac()) / 200.0;
-		rotateOffset = turns * 360.0;
+		if (smf->rotationSpeed > 0.0000000001)
+		{
+			double turns = (I_GetTime() + I_GetTimeFrac()) / (200.0 / smf->rotationSpeed);
+			turns -= floor(turns);
+			rotateOffset = turns * 360.0;
+		}
+		else
+		{
+			rotateOffset = 0.0;
+		}
 	}
 
 	// Added MDL_USEACTORPITCH and MDL_USEACTORROLL flags processing.
diff --git a/src/scripting/backend/codegen.cpp b/src/scripting/backend/codegen.cpp
index e7180afd1..8dfe5d8f8 100644
--- a/src/scripting/backend/codegen.cpp
+++ b/src/scripting/backend/codegen.cpp
@@ -1060,6 +1060,7 @@ FxExpression *FxFloatCast::Resolve(FCompileContext &ctx)
 	if (basex->IsFloat())
 	{
 		FxExpression *x = basex;
+		x->ValueType = ValueType;
 		basex = nullptr;
 		delete this;
 		return x;