diff --git a/bin/resources/managed_materials/managed_mats.material b/bin/resources/managed_materials/managed_mats.material
index 7ae4b820ca..e7b02f31f1 100644
--- a/bin/resources/managed_materials/managed_mats.material
+++ b/bin/resources/managed_materials/managed_mats.material
@@ -18,9 +18,9 @@ abstract material RoR/Managed_Mats/Base
 
 abstract material RoR/Managed_Mats/BaseNoShadows
 {
-	technique
+	technique BaseTechnique
 	{
-		pass
+		pass BaseRender
 		{
 		 texture_unit Diffuse_Map
 		 {
diff --git a/source/main/RoRVersion.h b/source/main/RoRVersion.h
index 2fb9991004..fa4af2b713 100644
--- a/source/main/RoRVersion.h
+++ b/source/main/RoRVersion.h
@@ -32,7 +32,7 @@ along with Rigs of Rods.  If not, see <http://www.gnu.org/licenses/>.
 // $Rev:$
 
 #define ROR_VERSION_STRING_SHORT      "0.4"
-#define ROR_VERSION_STRING            "0.4.5.0-dev"
+#define ROR_VERSION_STRING            "0.4.5.0"
 #define ROR_VERSION_STRING_WIN         0,4,5,0
 
 #endif //RORVERSION_H__
diff --git a/source/main/gfx/ShadowManager.cpp b/source/main/gfx/ShadowManager.cpp
index 1db7c6d53d..b8e21d85ea 100644
--- a/source/main/gfx/ShadowManager.cpp
+++ b/source/main/gfx/ShadowManager.cpp
@@ -185,6 +185,7 @@ void ShadowManager::updateTerrainMaterial(Ogre::TerrainPSSMMaterialGenerator::SM
 		matProfile->setReceiveDynamicShadowsLowLod(false);
 		matProfile->setReceiveDynamicShadowsEnabled(true);
 		matProfile->setReceiveDynamicShadowsPSSM(pssmSetup);
+		matProfile->setLightmapEnabled(false);
 	}
 }
 
diff --git a/source/main/gfx/camera/CameraBehaviorOrbit.cpp b/source/main/gfx/camera/CameraBehaviorOrbit.cpp
index 68d6e6714f..13ace1d381 100644
--- a/source/main/gfx/camera/CameraBehaviorOrbit.cpp
+++ b/source/main/gfx/camera/CameraBehaviorOrbit.cpp
@@ -139,9 +139,9 @@ void CameraBehaviorOrbit::update(const CameraManager::CameraContext &ctx)
 	if ( ctx.mCurrTruck )
 	{
 		if (BeamFactory::getSingleton().getThreadingMode() == THREAD_MULTI)
-			precedingPosition += ctx.mCurrTruck->nodes[0].Velocity * ctx.mCurrTruck->ttdt;
+			precedingPosition += ctx.mCurrTruck->nodes[0].Velocity * ctx.mCurrTruck->oldframe_global_dt;
 		else
-			precedingPosition += ctx.mCurrTruck->nodes[0].Velocity * ctx.mCurrTruck->tdt;
+			precedingPosition += ctx.mCurrTruck->nodes[0].Velocity * ctx.mCurrTruck->global_dt;
 	}
 
 	Vector3 camPosition = (1.0f / (camRatio + 1.0f)) * desiredPosition + (camRatio / (camRatio + 1.0f)) * precedingPosition;
diff --git a/source/main/gfx/camera/CameraBehaviorVehicle.cpp b/source/main/gfx/camera/CameraBehaviorVehicle.cpp
index 87c9a7f789..5d94efccfa 100644
--- a/source/main/gfx/camera/CameraBehaviorVehicle.cpp
+++ b/source/main/gfx/camera/CameraBehaviorVehicle.cpp
@@ -49,9 +49,9 @@ void CameraBehaviorVehicle::update(const CameraManager::CameraContext &ctx)
 	}
 
 	if (BeamFactory::getSingleton().getThreadingMode() == THREAD_MULTI)
-		camRatio = 1.0f / (ctx.mCurrTruck->ttdt * 4.0f);
+		camRatio = 1.0f / (ctx.mCurrTruck->oldframe_global_dt * 4.0f);
 	else
-		camRatio = 1.0f / (ctx.mCurrTruck->tdt * 4.0f);
+		camRatio = 1.0f / (ctx.mCurrTruck->global_dt * 4.0f);
 
 	camDistMin = std::min(ctx.mCurrTruck->getMinimalCameraRadius() * 2.0f, 33.0f);
 
diff --git a/source/main/gui/panels/GUI_GameSettings.cpp b/source/main/gui/panels/GUI_GameSettings.cpp
index 4942507d90..92c8e49ef6 100644
--- a/source/main/gui/panels/GUI_GameSettings.cpp
+++ b/source/main/gui/panels/GUI_GameSettings.cpp
@@ -376,13 +376,14 @@ void CLASS::UpdateControls()
 	if (!IsLoaded)
 	{
 		m_water_type->addItem("Hydrax"); //It's working good enough to be here now. 
+		m_shadow_type->addItem("Parallel-split Shadow Maps");
 	}
 
 	if (BSETTING("DevMode", false) && !IsLoaded)
 	{
 		//Things that aren't ready to be used yet.
 		m_sky_type->addItem("SkyX (best looking, slower)");
-		m_shadow_type->addItem("Parallel-split Shadow Maps");
+	
 	}
 
 	//Sky effects
@@ -396,9 +397,9 @@ void CLASS::UpdateControls()
 
 	//Shadow technique
 	Ogre::String shadowtype = GameSettingsMap["Shadow technique"];
-	if (shadowtype == "Texture shadows")
+	if (shadowtype == "Texture shadows)")
 		m_shadow_type->setIndexSelected(1);
-	else if (shadowtype == "Parallel-split Shadow Maps" && BSETTING("DevMode", false))
+	else if (shadowtype == "Parallel-split Shadow Maps")
 		m_shadow_type->setIndexSelected(2);
 	else
 		m_shadow_type->setIndexSelected(0);
@@ -1166,6 +1167,7 @@ void CLASS::OnReMapPress(MyGUI::WidgetPtr _sender)
 		isFrameActivated = true;
 
 		m_key_mapping_window_info->setCaptionWithReplacing("");
+		mMainWidget->setEnabledSilent(true);
 
 		str_text = "";
 }
diff --git a/source/main/physics/Beam.cpp b/source/main/physics/Beam.cpp
index 2b84822e78..c274103927 100644
--- a/source/main/physics/Beam.cpp
+++ b/source/main/physics/Beam.cpp
@@ -1420,7 +1420,7 @@ void Beam::SyncReset()
 void Beam::threadentry()
 {
 	Beam **trucks = ttrucks;
-	dtperstep = tdt / (Real)tsteps;
+	dtperstep = global_dt / (Real)tsteps;
 
 	for (curtstep=0; curtstep<tsteps; curtstep++)
 	{
@@ -1618,8 +1618,8 @@ bool Beam::frameStep(Real dt)
 			BeamFactory::getSingleton()._WorkerWaitForSync();
 		}
 		
-		ttdt = tdt;
-		tdt = dt;
+		oldframe_global_dt = global_dt;
+		global_dt = dt;
 
 		ffforce = affforce / steps;
 		ffhydro = affhydro / steps;
@@ -6058,13 +6058,13 @@ Beam::Beam(
 	, stabcommand(0)
 	, stabratio(0.0)
 	, stabsleep(0.0)
-	, tdt(0.1)
+	, global_dt(0.1)
 	, thread_index(0)
 	, thread_number(0)
 	, thread_task(THREAD_BEAMFORCESEULER)
 	, totalmass(0)
 	, tsteps(100)
-	, ttdt(0.1)
+	, oldframe_global_dt(0.1)
 	, watercontact(false)
 	, watercontactold(false)
 {
diff --git a/source/main/physics/Beam.h b/source/main/physics/Beam.h
index bce0b686a5..9574408aa1 100644
--- a/source/main/physics/Beam.h
+++ b/source/main/physics/Beam.h
@@ -471,8 +471,8 @@ class Beam :
 	int getLowestNode();
 	void preMapLabelRenderUpdate(bool mode, float cheight=0);
 	
-	float tdt;
-	float ttdt;
+	float global_dt;
+	float oldframe_global_dt;
 	bool simulated;
 	int airbrakeval;
 	Ogre::Vector3 cameranodeacc;
diff --git a/source/main/terrain/TerrainGeometryManager.cpp b/source/main/terrain/TerrainGeometryManager.cpp
index 9caafd9aac..616c5265a9 100644
--- a/source/main/terrain/TerrainGeometryManager.cpp
+++ b/source/main/terrain/TerrainGeometryManager.cpp
@@ -287,7 +287,9 @@ void TerrainGeometryManager::configureTerrainDefaults()
 	terrainOptions->setCompositeMapDistance(m_terrain_config.GetInt("CompositeMapDistance", 4000));
 	terrainOptions->setSkirtSize(m_terrain_config.GetInt("SkirtSize", 30));
 	terrainOptions->setLightMapSize(m_terrain_config.GetInt("LightMapSize", 1024));
-	terrainOptions->setCastsDynamicShadows(m_terrain_config.GetBool("CastsDynamicShadows", false));
+
+	if (matProfile->getReceiveDynamicShadowsPSSM())
+		terrainOptions->setCastsDynamicShadows(true);
 
 	terrainOptions->setUseRayBoxDistanceCalculation(false);