diff --git a/LEGO1/lego/legoomni/include/legopathedgecontainer.h b/LEGO1/lego/legoomni/include/legopathedgecontainer.h
index 5d6a79aa..bba8547b 100644
--- a/LEGO1/lego/legoomni/include/legopathedgecontainer.h
+++ b/LEGO1/lego/legoomni/include/legopathedgecontainer.h
@@ -106,4 +106,10 @@ struct LegoPathEdgeContainer : public list<LegoBoundaryEdge> {
 	MxU8 m_flags;                 // 0x38
 };
 
+// SYNTHETIC: BETA10 0x10012080
+// LegoPathEdgeContainer::`scalar deleting destructor'
+
+// SYNTHETIC: BETA10 0x100120d0
+// LegoPathEdgeContainer::~LegoPathEdgeContainer
+
 #endif // LEGOPATHEDGECONTAINER_H
diff --git a/LEGO1/lego/legoomni/src/actors/doors.cpp b/LEGO1/lego/legoomni/src/actors/doors.cpp
index 92ab5fc8..8fff7290 100644
--- a/LEGO1/lego/legoomni/src/actors/doors.cpp
+++ b/LEGO1/lego/legoomni/src/actors/doors.cpp
@@ -122,7 +122,9 @@ void Doors::ParseAction(char* p_extra)
 
 	assert(m_ltDoor == NULL && m_rtDoor == NULL);
 	assert(m_roi);
-	assert(!strncmp(m_roi->GetName(), "rcdor", 5));
+	// clang-format off
+	assert(!strncmp( m_roi->GetName(), "rcdor", 5 ));
+	// clang-format on
 
 	const CompoundObject* comp = m_roi->GetComp();
 
diff --git a/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp b/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
index f359d33a..6ad8cc85 100644
--- a/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
+++ b/LEGO1/lego/legoomni/src/common/legoanimationmanager.cpp
@@ -2833,7 +2833,7 @@ void LegoAnimationManager::FUN_100648f0(LegoTranInfo* p_tranInfo, MxLong p_unk0x
 			actor->SetWorldSpeed(0.0f);
 		}
 
-		LegoLocation* location = NavController()->GetLocation(p_tranInfo->m_location);
+		const LegoLocation* location = NavController()->GetLocation(p_tranInfo->m_location);
 		if (location != NULL) {
 			CalcLocalTransform(location->m_position, location->m_direction, location->m_up, m_unk0x484);
 			m_unk0x4cc.SetStartEnd(m_unk0x43c, m_unk0x484);
diff --git a/LEGO1/lego/legoomni/src/paths/legopathactor.cpp b/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
index 0b9d019c..1cf40934 100644
--- a/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
+++ b/LEGO1/lego/legoomni/src/paths/legopathactor.cpp
@@ -640,6 +640,7 @@ MxResult LegoPathActor::VTable0x9c()
 			case 1:
 				break;
 			default:
+				assert(0);
 				return FAILURE;
 			}
 		}
@@ -656,10 +657,14 @@ MxResult LegoPathActor::VTable0x9c()
 	if (local20 != 0) {
 		Mx3DPointFloat local78;
 
-		Vector3& v1 = *m_destEdge->CWVertex(*m_boundary);
-		Vector3& v2 = *m_destEdge->CCWVertex(*m_boundary);
+		assert(m_boundary && m_destEdge);
 
-		LERP3(local34, v1, v2, m_unk0xe4);
+		Vector3* v1 = m_destEdge->CWVertex(*m_boundary);
+		Vector3* v2 = m_destEdge->CCWVertex(*m_boundary);
+
+		assert(v1 && v2);
+
+		LERP3(local34, *v1, *v2, m_unk0xe4);
 
 		m_destEdge->GetFaceNormal(*m_boundary, local78);
 		local48.EqualsCross(*m_boundary->GetUp(), local78);
@@ -695,6 +700,7 @@ MxResult LegoPathActor::VTable0x9c()
 	}
 
 	if (VTable0x80(localc0, local84, local34, local48) != SUCCESS) {
+		MxTrace("Warning: m_BADuration = %g, roi = %s\n", m_BADuration, m_roi->GetName());
 		return FAILURE;
 	}
 
diff --git a/LEGO1/library_msvc.h b/LEGO1/library_msvc.h
index 04e9a674..5b4971d9 100644
--- a/LEGO1/library_msvc.h
+++ b/LEGO1/library_msvc.h
@@ -65,6 +65,9 @@
 // LIBRARY: LEGO1 0x1008b680
 // _strncmp
 
+// LIBRARY: BETA10 0x100f9a80
+// strncmp
+
 // LIBRARY: LEGO1 0x1008b6c0
 // _atof
 
@@ -718,6 +721,7 @@
 // __fmode
 
 // GLOBAL: LEGO1 0x101028da
+// GLOBAL: BETA10 0x101fbcca
 // __OP_POWjmptab
 
 // GLOBAL: LEGO1 0x1010292a
@@ -841,6 +845,12 @@
 // LIBRARY: BETA10 0x100f9420
 // memcpy
 
+// Issue: These symbols are inside `memcpy`. If enabled, the tail of the function mismatches.
+// // GLOBAL: BETA10 0x100f9458
+// TrailingVecs
+// // GLOBAL: BETA10 0x100f94f0
+// TrailingVecs_copydown
+
 // LIBRARY: BETA10 0x100faa00
 // memcmp
 
@@ -877,6 +887,9 @@
 // LIBRARY: BETA10 0x100ff82b
 // __ctrandisp1
 
+// LIBRARY: BETA10 0x100ff6ab
+// __ctrandisp2
+
 // LIBRARY: BETA10 0x100f8a92
 // operator delete
 
@@ -943,6 +956,93 @@
 // GLOBAL: LEGO1 0x100fd8ec
 // __newmode
 
+// LIBRARY: BETA10 0x1018f410
+// _pow
+
+// GLOBAL: BETA10 0x101fa910
+// _assertstring
+
+// GLOBAL: BETA10 0x101fa940
+// dblnewline
+
+// GLOBAL: BETA10 0x101fa938
+// dotdotdot
+
+// GLOBAL: BETA10 0x101fa93c
+// newline
+
+// LIBRARY: BETA10 0x100fbe10
+// doexit
+
+// LIBRARY: BETA10 0x100feeb0
+// xtoa
+
+// LIBRARY: BETA10 0x100ff330
+// flsall
+
+// GLOBAL: BETA10 0x101fbb08
+// rterrs
+
+// GLOBAL: BETA10 0x101faf64
+// __proc_attached
+
+// GLOBAL: BETA10 0x10211f6c
+// _pRawDllMain
+
+// GLOBAL: BETA10 0x101fafa0
+// ctrlc_action
+
+// GLOBAL: BETA10 0x101fafa4
+// ctrlbreak_action
+
+// GLOBAL: BETA10 0x101fafa8
+// abort_action
+
+// GLOBAL: BETA10 0x101fafac
+// term_action
+
+// GLOBAL: BETA10 0x101fbc18
+// _First_FPE_Indx
+
+// GLOBAL: BETA10 0x101fbc1c
+// _Num_FPE
+
+// GLOBAL: BETA10 0x101fafe8
+// _crtAssertBusy
+
+// GLOBAL: BETA10 0x101fb01c
+// pfnwsprintfA
+
+// GLOBAL: BETA10 0x10211f50
+// _pfnReportHook
+
+// GLOBAL: BETA10 0x101faff0
+// _CrtDbgMode
+
+// GLOBAL: BETA10 0x101fb000
+// _CrtDbgFile
+
+// LIBRARY: BETA10 0x100fc740
+// _CRT_INIT
+
+// LIBRARY: BETA10 0x100feb90
+// siglookup
+
+// LIBRARY: BETA10 0x10109920
+// $$$00001(2)
+
+// LIBRARY: BETA10 0x10100a70
+// _CrtDbgBreak
+
+// LIBRARY: BETA10 0x100fc650
+// _vsnprintf
+
+// LIBRARY: BETA10 0x1010cc20
+// _snprintf
+
+// LIBRARY: BETA10 0x10100fe0
+// CrtMessageWindow
+
 // Cannot be handled right now due to anonymous pointer in struct.
 // We can annotate it on the original side, but we have no symbol on the recomp side.
 // We would need a way of annotating "the pointer at c_dfDIKeyboard+0x14 has orig address 0x10097f80".
diff --git a/LEGO1/realtime/realtimeview.cpp b/LEGO1/realtime/realtimeview.cpp
index afe0e790..0117b513 100644
--- a/LEGO1/realtime/realtimeview.cpp
+++ b/LEGO1/realtime/realtimeview.cpp
@@ -3,18 +3,23 @@
 #include <math.h>
 
 // GLOBAL: LEGO1 0x10109598
+// GLOBAL: BETA10 0x10211dc0
 float g_userMaxLodPower;
 
 // GLOBAL: LEGO1 0x10101044
+// GLOBAL: BETA10 0x10204fd8
 float g_userMaxBase = 4.0f;
 
 // GLOBAL: LEGO1 0x10101048
+// GLOBAL: BETA10 0x10204fdc
 float g_userMaxLod = 3.6f;
 
 // GLOBAL: LEGO1 0x1010104c
+// GLOBAL: BETA10 0x10204fe0
 float g_partsThreshold = 1000.0f;
 
 // FUNCTION: LEGO1 0x100a5dc0
+// FUNCTION: BETA10 0x10168840
 RealtimeView::RealtimeView()
 {
 	UpdateMaxLOD();
@@ -26,6 +31,7 @@ RealtimeView::~RealtimeView()
 }
 
 // FUNCTION: LEGO1 0x100a5de0
+// FUNCTION: BETA10 0x10168874
 void RealtimeView::SetUserMaxLOD(float p_lod)
 {
 	g_userMaxLod = p_lod;
@@ -33,24 +39,28 @@ void RealtimeView::SetUserMaxLOD(float p_lod)
 }
 
 // FUNCTION: LEGO1 0x100a5df0
+// FUNCTION: BETA10 0x10168891
 void RealtimeView::SetPartsThreshold(float p_threshold)
 {
 	g_partsThreshold = p_threshold;
 }
 
 // FUNCTION: LEGO1 0x100a5e00
+// FUNCTION: BETA10 0x101688a9
 float RealtimeView::GetUserMaxLOD()
 {
 	return g_userMaxLod;
 }
 
 // FUNCTION: LEGO1 0x100a5e10
+// FUNCTION: BETA10 0x101688bf
 float RealtimeView::GetPartsThreshold()
 {
 	return g_partsThreshold;
 }
 
 // FUNCTION: LEGO1 0x100a5e20
+// FUNCTION: BETA10 0x101688d5
 void RealtimeView::UpdateMaxLOD()
 {
 	g_userMaxLodPower = pow(g_userMaxBase, -g_userMaxLod);
diff --git a/LEGO1/realtime/roi.h b/LEGO1/realtime/roi.h
index 25829f7e..73e837d6 100644
--- a/LEGO1/realtime/roi.h
+++ b/LEGO1/realtime/roi.h
@@ -20,11 +20,13 @@ public:
 	// FUNCTION: BETA10 0x1004a7a0
 	const Vector3& Min() const { return min; }
 
+	// FUNCTION: BETA10 0x10174c30
 	Vector3& Min() { return min; }
 
 	// FUNCTION: BETA10 0x1004a7c0
 	const Vector3& Max() const { return max; }
 
+	// FUNCTION: BETA10 0x10174c50
 	Vector3& Max() { return max; }
 
 private:
diff --git a/LEGO1/viewmanager/viewmanager.cpp b/LEGO1/viewmanager/viewmanager.cpp
index e6a2d726..9bf1db44 100644
--- a/LEGO1/viewmanager/viewmanager.cpp
+++ b/LEGO1/viewmanager/viewmanager.cpp
@@ -9,6 +9,7 @@
 DECOMP_SIZE_ASSERT(ViewManager, 0x1bc)
 
 // GLOBAL: LEGO1 0x100dbc78
+// GLOBAL: BETA10 0x101c3398
 int g_boundingBoxCornerMap[8][3] =
 	{{0, 0, 0}, {0, 0, 1}, {0, 1, 0}, {1, 0, 0}, {0, 1, 1}, {1, 0, 1}, {1, 1, 0}, {1, 1, 1}};
 
@@ -16,12 +17,15 @@ int g_boundingBoxCornerMap[8][3] =
 int g_planePointIndexMap[18] = {0, 1, 5, 6, 2, 3, 3, 0, 4, 1, 2, 6, 0, 3, 2, 4, 5, 6};
 
 // GLOBAL: LEGO1 0x10101050
+// GLOBAL: BETA10 0x10205914
 float g_LODScaleFactor = 4.0F;
 
 // GLOBAL: LEGO1 0x10101054
-float g_minLODThreshold = 0.00097656297;
+// GLOBAL: BETA10 0x10205918
+float g_minLODThreshold = 1.0000005F / 1024;
 
 // GLOBAL: LEGO1 0x10101058
+// GLOBAL: BETA10 0x1020591c
 int g_maxLODLevels = 6;
 
 // GLOBAL: LEGO1 0x1010105c
@@ -32,16 +36,51 @@ float g_elapsedSeconds = 0;
 
 inline void SetAppData(ViewROI* p_roi, LPD3DRM_APPDATA data);
 inline undefined4 GetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* pRenderer);
-inline undefined4 GetFrame(IDirect3DRMFrame2*& frame, Tgl::Group* scene);
+inline undefined4 GetFrame(IDirect3DRMFrame2** frame, Tgl::Group* scene);
+
+// STUB: BETA10 0x1017202e
+int userVisualCallback(
+	LPDIRECT3DRMUSERVISUAL obj,
+	LPVOID arg,
+	D3DRMUSERVISUALREASON reason,
+	LPDIRECT3DRMDEVICE dev,
+	LPDIRECT3DRMVIEWPORT view
+)
+{
+	// This function calls into LegoBSP.cpp, which has likely been removed in LEGO1
+	return 0;
+}
+
+// FUNCTION: BETA10 0x10172074
+void addDestroyCallback(LPDIRECT3DRMOBJECT obj, LPVOID arg)
+{
+	// intentionally empty
+}
 
 // FUNCTION: LEGO1 0x100a5eb0
+// FUNCTION: BETA10 0x10171cb3
 ViewManager::ViewManager(Tgl::Renderer* pRenderer, Tgl::Group* scene, const OrientableROI* point_of_view)
 	: scene(scene), flags(c_bit1 | c_bit2 | c_bit3 | c_bit4)
 {
 	SetPOVSource(point_of_view);
 	prev_render_time = 0.09;
 	GetD3DRM(d3drm, pRenderer);
-	GetFrame(frame, scene);
+	GetFrame(&frame, scene);
+
+#ifdef BETA10
+	LPDIRECT3DRMUSERVISUAL userVisual;
+	if (d3drm->CreateUserVisual(userVisualCallback, this, &userVisual)) {
+		assert(0);
+	}
+	if (userVisual->AddDestroyCallback(addDestroyCallback, this)) {
+		assert(0);
+	}
+	if (frame->AddVisual(userVisual)) {
+		assert(0);
+	}
+	userVisual->Release();
+#endif
+
 	width = 0.0;
 	height = 0.0;
 	view_angle = 0.0;
@@ -366,6 +405,7 @@ inline int ViewManager::CalculateLODLevel(float p_maximumScale, float p_initialS
 			return 0;
 		}
 		else {
+			// LINE: BETA10 0x10172c4d
 			lodLevel = 1;
 		}
 	}
@@ -476,6 +516,7 @@ void ViewManager::SetFrustrum(float fov, float front, float back)
 }
 
 // FUNCTION: LEGO1 0x100a6da0
+// FUNCTION: BETA10 0x10173977
 void ViewManager::SetPOVSource(const OrientableROI* point_of_view)
 {
 	if (point_of_view != NULL) {
@@ -554,19 +595,28 @@ inline void SetAppData(ViewROI* p_roi, LPD3DRM_APPDATA data)
 {
 	IDirect3DRMFrame2* frame = NULL;
 
-	if (GetFrame(frame, p_roi->GetGeometry()) == 0) {
+	if (GetFrame(&frame, p_roi->GetGeometry()) == 0) {
 		frame->SetAppData(data);
 	}
 }
 
-inline undefined4 GetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* pRenderer)
+// FUNCTION: BETA10 0x10171f30
+inline undefined4 GetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* p_tglRenderer)
 {
-	d3drm = ((TglImpl::RendererImpl*) pRenderer)->ImplementationData();
+	assert(p_tglRenderer);
+	TglImpl::RendererImpl* renderer = (TglImpl::RendererImpl*) p_tglRenderer;
+	// Note: Diff in BETA10 (thunked in recompile but not in orig)
+	d3drm = renderer->ImplementationData();
 	return 0;
 }
 
-inline undefined4 GetFrame(IDirect3DRMFrame2*& frame, Tgl::Group* scene)
+// FUNCTION: BETA10 0x10171f82
+inline undefined4 GetFrame(IDirect3DRMFrame2** p_f, Tgl::Group* p_group)
 {
-	frame = ((TglImpl::GroupImpl*) scene)->ImplementationData();
+	assert(p_f && p_group);
+	TglImpl::GroupImpl* cast = (TglImpl::GroupImpl*) p_group;
+	assert(cast);
+	*p_f = cast->ImplementationData();
+	assert(p_f);
 	return 0;
 }
diff --git a/LEGO1/viewmanager/viewmanager.h b/LEGO1/viewmanager/viewmanager.h
index 1f12cb28..2c4bc0fc 100644
--- a/LEGO1/viewmanager/viewmanager.h
+++ b/LEGO1/viewmanager/viewmanager.h
@@ -8,6 +8,7 @@
 #include <d3drm.h>
 
 // VTABLE: LEGO1 0x100dbd88
+// VTABLE: BETA10 0x101c34bc
 // SIZE 0x1bc
 class ViewManager {
 public:
@@ -46,6 +47,7 @@ public:
 	void Add(ViewROI* p_roi) { rois.push_back(p_roi); }
 
 	// SYNTHETIC: LEGO1 0x100a6000
+	// SYNTHETIC: BETA10 0x10174410
 	// ViewManager::`scalar deleting destructor'
 
 private:
@@ -73,10 +75,17 @@ private:
 // TEMPLATE: LEGO1 0x10022030
 // list<ROI *,allocator<ROI *> >::insert
 
+// TEMPLATE: BETA10 0x1007b0b0
+// List<ROI *>::List<ROI *>
+
 // TEMPLATE: LEGO1 0x100a6020
 // List<ROI *>::~List<ROI *>
 
+// TEMPLATE: BETA10 0x101755d0
+// Vector<ROI const *>::Vector<ROI const *>
+
 // TEMPLATE: LEGO1 0x100a6070
+// TEMPLATE: BETA10 0x10174510
 // Vector<ROI const *>::~Vector<ROI const *>
 
 // TEMPLATE: LEGO1 0x100a6f80