18 files changed, 98 insertions, 66 deletions

diff --git a/scene/resources/animation.h b/scene/resources/animation.h
index fd22cc445c..66bc71c834 100644
--- a/scene/resources/animation.h
+++ b/scene/resources/animation.h
@@ -70,7 +70,7 @@ private:
 		bool loop_wrap = true;
 		NodePath path; // path to something
 		bool imported = false;
-		bool enabled = false;
+		bool enabled = true;
 		Track() {}
 		virtual ~Track() {}
 	};
diff --git a/scene/resources/camera_effects.cpp b/scene/resources/camera_effects.cpp
index 4038338e1e..34c6bc05bc 100644
--- a/scene/resources/camera_effects.cpp
+++ b/scene/resources/camera_effects.cpp
@@ -120,6 +120,7 @@ void CameraEffects::_update_dof_blur() {
 void CameraEffects::set_override_exposure_enabled(bool p_enabled) {
 	override_exposure_enabled = p_enabled;
 	_update_override_exposure();
+	notify_property_list_changed();
 }
 
 bool CameraEffects::is_override_exposure_enabled() const {
@@ -144,6 +145,14 @@ void CameraEffects::_update_override_exposure() {
 
 // Private methods, constructor and destructor
 
+void CameraEffects::_validate_property(PropertyInfo &property) const {
+	if ((!dof_blur_far_enabled && (property.name == "dof_blur_far_distance" || property.name == "dof_blur_far_transition")) ||
+			(!dof_blur_near_enabled && (property.name == "dof_blur_near_distance" || property.name == "dof_blur_near_transition")) ||
+			(!override_exposure_enabled && property.name == "override_exposure")) {
+		property.usage = PROPERTY_USAGE_NOEDITOR;
+	}
+}
+
 void CameraEffects::_bind_methods() {
 	// DOF blur
 
diff --git a/scene/resources/camera_effects.h b/scene/resources/camera_effects.h
index 28aa6b8660..b9338f4806 100644
--- a/scene/resources/camera_effects.h
+++ b/scene/resources/camera_effects.h
@@ -59,6 +59,7 @@ private:
 
 protected:
 	static void _bind_methods();
+	void _validate_property(PropertyInfo &property) const override;
 
 public:
 	virtual RID get_rid() const override;
diff --git a/scene/resources/convex_polygon_shape_2d.cpp b/scene/resources/convex_polygon_shape_2d.cpp
index d331f83daf..6e56f6e7fc 100644
--- a/scene/resources/convex_polygon_shape_2d.cpp
+++ b/scene/resources/convex_polygon_shape_2d.cpp
@@ -72,6 +72,10 @@ void ConvexPolygonShape2D::_bind_methods() {
 }
 
 void ConvexPolygonShape2D::draw(const RID &p_to_rid, const Color &p_color) {
+	if (points.size() < 3) {
+		return;
+	}
+
 	Vector<Color> col;
 	col.push_back(p_color);
 	RenderingServer::get_singleton()->canvas_item_add_polygon(p_to_rid, points, col);
diff --git a/scene/resources/default_theme/bar_arrow.png b/scene/resources/default_theme/bar_arrow.png
new file mode 100644
index 0000000000..7cf146b8da
--- /dev/null
+++ b/scene/resources/default_theme/bar_arrow.png
diff --git a/scene/resources/default_theme/default_theme.cpp b/scene/resources/default_theme/default_theme.cpp
index a94209c75f..0c661cc17d 100644
--- a/scene/resources/default_theme/default_theme.cpp
+++ b/scene/resources/default_theme/default_theme.cpp
@@ -884,6 +884,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	theme->set_icon("color_sample", "ColorPicker", make_icon(color_picker_sample_png));
 	theme->set_icon("preset_bg", "ColorPicker", make_icon(mini_checkerboard_png));
 	theme->set_icon("overbright_indicator", "ColorPicker", make_icon(overbright_indicator_png));
+	theme->set_icon("bar_arrow", "ColorPicker", make_icon(bar_arrow_png));
 
 	theme->set_icon("bg", "ColorPickerButton", make_icon(mini_checkerboard_png));
 
@@ -1017,7 +1018,7 @@ void make_default_theme(bool p_hidpi, Ref<Font> p_font) {
 	Ref<StyleBox> default_style;
 	Ref<Texture2D> default_icon;
 	Ref<Font> default_font;
-	int default_font_size = 16;
+	int default_font_size = 14;
 	if (p_font.is_valid()) {
 		default_font = p_font;
 	} else if (p_hidpi) {
diff --git a/scene/resources/default_theme/theme_data.h b/scene/resources/default_theme/theme_data.h
index b905c9db69..6b78ba7933 100644
--- a/scene/resources/default_theme/theme_data.h
+++ b/scene/resources/default_theme/theme_data.h
@@ -14,6 +14,10 @@ static const unsigned char arrow_right_png[] = {
 	0x89, 0x50, 0x4e, 0x47, 0xd, 0xa, 0x1a, 0xa, 0x0, 0x0, 0x0, 0xd, 0x49, 0x48, 0x44, 0x52, 0x0, 0x0, 0x0, 0xc, 0x0, 0x0, 0x0, 0xc, 0x8, 0x4, 0x0, 0x0, 0x0, 0xfc, 0x7c, 0x94, 0x6c, 0x0, 0x0, 0x0, 0x2e, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0x63, 0x20, 0x17, 0x3c, 0xf8, 0xf, 0x82, 0xf7, 0x13, 0x70, 0x48, 0x3c, 0xf8, 0xf2, 0x50, 0x1b, 0x43, 0x2, 0xa, 0xaf, 0xbe, 0xe0, 0xc6, 0x2e, 0xf1, 0xff, 0xe1, 0x7c, 0x12, 0x24, 0x10, 0x46, 0x11, 0xb6, 0x1c, 0xe1, 0x5c, 0xa, 0x0, 0x0, 0xe0, 0x14, 0x48, 0xb1, 0x3d, 0x1b, 0x7a, 0xf0, 0x0, 0x0, 0x0, 0x0, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
 };
 
+static const unsigned char bar_arrow_png[] = {
+	0x89, 0x50, 0x4e, 0x47, 0xd, 0xa, 0x1a, 0xa, 0x0, 0x0, 0x0, 0xd, 0x49, 0x48, 0x44, 0x52, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x14, 0x8, 0x4, 0x0, 0x0, 0x0, 0x2e, 0x6b, 0x75, 0xfc, 0x0, 0x0, 0x0, 0x4, 0x67, 0x41, 0x4d, 0x41, 0x0, 0x0, 0xb1, 0x8f, 0xb, 0xfc, 0x61, 0x5, 0x0, 0x0, 0x0, 0x1, 0x73, 0x52, 0x47, 0x42, 0x0, 0xae, 0xce, 0x1c, 0xe9, 0x0, 0x0, 0x0, 0x9, 0x70, 0x48, 0x59, 0x73, 0x0, 0x0, 0xe, 0xc0, 0x0, 0x0, 0xe, 0xc0, 0x1, 0x6a, 0xd6, 0x89, 0x9, 0x0, 0x0, 0x0, 0x65, 0x49, 0x44, 0x41, 0x54, 0x28, 0xcf, 0x63, 0xfc, 0xcf, 0x80, 0x1f, 0x30, 0x8e, 0x20, 0x5, 0x8c, 0x38, 0x24, 0xff, 0x53, 0x5f, 0xc1, 0xb, 0xee, 0x9f, 0x53, 0x18, 0x18, 0xd8, 0x73, 0x24, 0xbe, 0x62, 0x55, 0x70, 0x5f, 0x83, 0x61, 0x15, 0xa3, 0x2e, 0x3, 0x3, 0xc3, 0xd, 0xe6, 0x30, 0xd9, 0xcb, 0x18, 0xa, 0x1e, 0xc6, 0xfd, 0x9f, 0xc6, 0xc0, 0xd, 0x35, 0xea, 0x3b, 0x63, 0x81, 0xfc, 0x2c, 0x14, 0x5, 0xf, 0x2a, 0x18, 0xda, 0xd1, 0x1c, 0x50, 0xa9, 0xd0, 0x1, 0x57, 0xf0, 0x10, 0x53, 0x9a, 0x81, 0x81, 0x81, 0xa1, 0x52, 0xbe, 0x83, 0x81, 0x81, 0xf1, 0x3f, 0x2e, 0x69, 0xa8, 0x12, 0x3a, 0x4, 0x14, 0x0, 0x7b, 0xda, 0x34, 0x1, 0xbb, 0xb5, 0x3e, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
+};
+
 static const unsigned char bookmark_png[] = {
 	0x89, 0x50, 0x4e, 0x47, 0xd, 0xa, 0x1a, 0xa, 0x0, 0x0, 0x0, 0xd, 0x49, 0x48, 0x44, 0x52, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x10, 0x8, 0x6, 0x0, 0x0, 0x0, 0x1f, 0xf3, 0xff, 0x61, 0x0, 0x0, 0x0, 0x4, 0x73, 0x42, 0x49, 0x54, 0x8, 0x8, 0x8, 0x8, 0x7c, 0x8, 0x64, 0x88, 0x0, 0x0, 0x0, 0x57, 0x49, 0x44, 0x41, 0x54, 0x38, 0x8d, 0xed, 0x93, 0x31, 0xa, 0xc0, 0x30, 0xc, 0x3, 0xa5, 0xd0, 0xff, 0x7f, 0x59, 0x1d, 0x8a, 0x42, 0x8, 0x9, 0x95, 0xc9, 0xd2, 0xa1, 0x9a, 0x8c, 0xf1, 0xdd, 0x62, 0x1b, 0x38, 0xc, 0x87, 0x5a, 0x5, 0xae, 0x79, 0xde, 0x2, 0x1, 0x80, 0x94, 0x39, 0x48, 0x76, 0x49, 0x17, 0xa4, 0xf0, 0x24, 0x61, 0x2b, 0x51, 0x8b, 0xfc, 0x82, 0xcf, 0xb, 0x48, 0x7a, 0xdf, 0x75, 0x81, 0xf, 0xe5, 0x29, 0xf7, 0x92, 0x6b, 0x3, 0x1a, 0x1e, 0xda, 0x7c, 0x3d, 0x77, 0x21, 0x7b, 0xa8, 0x74, 0x2e, 0xcb, 0xd, 0xc8, 0x75, 0x13, 0x28, 0x9, 0xed, 0xc2, 0xc8, 0x0, 0x0, 0x0, 0x0, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
 };
diff --git a/scene/resources/environment.cpp b/scene/resources/environment.cpp
index 6f6af93848..c04b271d81 100644
--- a/scene/resources/environment.cpp
+++ b/scene/resources/environment.cpp
@@ -441,6 +441,7 @@ void Environment::_update_ssao() {
 void Environment::set_sdfgi_enabled(bool p_enabled) {
 	sdfgi_enabled = p_enabled;
 	_update_sdfgi();
+	notify_property_list_changed();
 }
 
 bool Environment::is_sdfgi_enabled() const {
@@ -983,6 +984,7 @@ void Environment::_validate_property(PropertyInfo &property) const {
 		"auto_exposure_",
 		"ss_reflections_",
 		"ssao_",
+		"sdfgi_",
 		"glow_",
 		"adjustment_",
 		nullptr
diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp
index 062d921855..9931757cc4 100644
--- a/scene/resources/material.cpp
+++ b/scene/resources/material.cpp
@@ -1584,7 +1584,7 @@ void BaseMaterial3D::set_flag(Flags p_flag, bool p_enabled) {
 	}
 
 	flags[p_flag] = p_enabled;
-	if (p_flag == FLAG_USE_SHADOW_TO_OPACITY || p_flag == FLAG_USE_TEXTURE_REPEAT || p_flag == FLAG_SUBSURFACE_MODE_SKIN) {
+	if (p_flag == FLAG_USE_SHADOW_TO_OPACITY || p_flag == FLAG_USE_TEXTURE_REPEAT || p_flag == FLAG_SUBSURFACE_MODE_SKIN || p_flag == FLAG_USE_POINT_SIZE) {
 		notify_property_list_changed();
 	}
 	_queue_shader_change();
@@ -1650,7 +1650,7 @@ BaseMaterial3D::TextureFilter BaseMaterial3D::get_texture_filter() const {
 
 void BaseMaterial3D::_validate_feature(const String &text, Feature feature, PropertyInfo &property) const {
 	if (property.name.begins_with(text) && property.name != text + "_enabled" && !features[feature]) {
-		property.usage = 0;
+		property.usage = PROPERTY_USAGE_NOEDITOR;
 	}
 }
 
@@ -1683,16 +1683,24 @@ void BaseMaterial3D::_validate_property(PropertyInfo &property) const {
 		property.usage = 0;
 	}
 
-	if (property.name == "params_grow_amount" && !grow_enabled) {
-		property.usage = 0;
+	if (property.name == "billboard_keep_scale" && billboard_mode == BILLBOARD_DISABLED) {
+		property.usage = PROPERTY_USAGE_NOEDITOR;
+	}
+
+	if (property.name == "grow_amount" && !grow_enabled) {
+		property.usage = PROPERTY_USAGE_NOEDITOR;
+	}
+
+	if (property.name == "point_size" && !flags[FLAG_USE_POINT_SIZE]) {
+		property.usage = PROPERTY_USAGE_NOEDITOR;
 	}
 
 	if (property.name == "proximity_fade_distance" && !proximity_fade_enabled) {
-		property.usage = 0;
+		property.usage = PROPERTY_USAGE_NOEDITOR;
 	}
 
 	if ((property.name == "distance_fade_max_distance" || property.name == "distance_fade_min_distance") && distance_fade == DISTANCE_FADE_DISABLED) {
-		property.usage = 0;
+		property.usage = PROPERTY_USAGE_NOEDITOR;
 	}
 
 	// you can only enable anti-aliasing (in mataerials) on alpha scissor and alpha hash
diff --git a/scene/resources/navigation_mesh.cpp b/scene/resources/navigation_mesh.cpp
index 84f3c23f77..8c12f59a00 100644
--- a/scene/resources/navigation_mesh.cpp
+++ b/scene/resources/navigation_mesh.cpp
@@ -31,6 +31,8 @@
 #include "navigation_mesh.h"
 
 void NavigationMesh::create_from_mesh(const Ref<Mesh> &p_mesh) {
+	ERR_FAIL_COND(p_mesh.is_null());
+
 	vertices = Vector<Vector3>();
 	clear_polygons();
 
diff --git a/scene/resources/style_box.cpp b/scene/resources/style_box.cpp
index 9b80224c3f..2159f1bc97 100644
--- a/scene/resources/style_box.cpp
+++ b/scene/resources/style_box.cpp
@@ -460,6 +460,7 @@ Point2 StyleBoxFlat::get_shadow_offset() const {
 void StyleBoxFlat::set_anti_aliased(const bool &p_anti_aliased) {
 	anti_aliased = p_anti_aliased;
 	emit_changed();
+	notify_property_list_changed();
 }
 
 bool StyleBoxFlat::is_anti_aliased() const {
@@ -781,6 +782,12 @@ float StyleBoxFlat::get_style_margin(Side p_side) const {
 	return border_width[p_side];
 }
 
+void StyleBoxFlat::_validate_property(PropertyInfo &property) const {
+	if (!anti_aliased && property.name == "anti_aliasing_size") {
+		property.usage = PROPERTY_USAGE_NOEDITOR;
+	}
+}
+
 void StyleBoxFlat::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_bg_color", "color"), &StyleBoxFlat::set_bg_color);
 	ClassDB::bind_method(D_METHOD("get_bg_color"), &StyleBoxFlat::get_bg_color);
diff --git a/scene/resources/style_box.h b/scene/resources/style_box.h
index 8a273afbfd..dd5c873a00 100644
--- a/scene/resources/style_box.h
+++ b/scene/resources/style_box.h
@@ -159,6 +159,7 @@ class StyleBoxFlat : public StyleBox {
 protected:
 	virtual float get_style_margin(Side p_side) const override;
 	static void _bind_methods();
+	void _validate_property(PropertyInfo &property) const override;
 
 public:
 	//Color
diff --git a/scene/resources/texture.cpp b/scene/resources/texture.cpp
index 8cccf81659..d2bb1338d8 100644
--- a/scene/resources/texture.cpp
+++ b/scene/resources/texture.cpp
@@ -151,7 +151,7 @@ void ImageTexture::_reload_hook(const RID &p_hook) {
 }
 
 void ImageTexture::create_from_image(const Ref<Image> &p_image) {
-	ERR_FAIL_COND_MSG(p_image.is_null(), "Invalid image");
+	ERR_FAIL_COND_MSG(p_image.is_null() || p_image->is_empty(), "Invalid image");
 	w = p_image->get_width();
 	h = p_image->get_height();
 	format = p_image->get_format();
diff --git a/scene/resources/visual_shader_nodes.cpp b/scene/resources/visual_shader_nodes.cpp
index d6200059f6..a99c09e89c 100644
--- a/scene/resources/visual_shader_nodes.cpp
+++ b/scene/resources/visual_shader_nodes.cpp
@@ -2742,8 +2742,6 @@ int VisualShaderNodeClamp::get_input_port_count() const {
 
 VisualShaderNodeClamp::PortType VisualShaderNodeClamp::get_input_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_FLOAT:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_INT:
 			return PORT_TYPE_SCALAR_INT;
 		case OP_TYPE_VECTOR:
@@ -2771,8 +2769,6 @@ int VisualShaderNodeClamp::get_output_port_count() const {
 
 VisualShaderNodeClamp::PortType VisualShaderNodeClamp::get_output_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_FLOAT:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_INT:
 			return PORT_TYPE_SCALAR_INT;
 		case OP_TYPE_VECTOR:
@@ -2954,18 +2950,11 @@ int VisualShaderNodeStep::get_input_port_count() const {
 
 VisualShaderNodeStep::PortType VisualShaderNodeStep::get_input_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_SCALAR:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_VECTOR:
 			return PORT_TYPE_VECTOR;
 		case OP_TYPE_VECTOR_SCALAR:
-			switch (p_port) {
-				case 0:
-					return PORT_TYPE_SCALAR;
-				case 1:
-					return PORT_TYPE_VECTOR;
-				default:
-					break;
+			if (p_port == 1) {
+				return PORT_TYPE_VECTOR;
 			}
 			break;
 		default:
@@ -2989,8 +2978,6 @@ int VisualShaderNodeStep::get_output_port_count() const {
 
 VisualShaderNodeStep::PortType VisualShaderNodeStep::get_output_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_SCALAR:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_VECTOR:
 			return PORT_TYPE_VECTOR;
 		case OP_TYPE_VECTOR_SCALAR:
@@ -3032,7 +3019,7 @@ void VisualShaderNodeStep::set_op_type(OpType p_op_type) {
 				set_input_port_default_value(0, 0.0); // edge
 			}
 			if (op_type == OP_TYPE_SCALAR) {
-				set_input_port_default_value(1, 0.0); // x
+				set_input_port_default_value(1, Vector3(0.0, 0.0, 0.0)); // x
 			}
 			break;
 		default:
@@ -3085,20 +3072,11 @@ int VisualShaderNodeSmoothStep::get_input_port_count() const {
 
 VisualShaderNodeSmoothStep::PortType VisualShaderNodeSmoothStep::get_input_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_SCALAR:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_VECTOR:
 			return PORT_TYPE_VECTOR;
 		case OP_TYPE_VECTOR_SCALAR:
-			switch (p_port) {
-				case 0:
-					return PORT_TYPE_SCALAR; // edge0
-				case 1:
-					return PORT_TYPE_SCALAR; // edge1
-				case 2:
-					return PORT_TYPE_VECTOR; // x
-				default:
-					break;
+			if (p_port == 2) {
+				return PORT_TYPE_VECTOR; // x
 			}
 			break;
 		default:
@@ -3124,8 +3102,6 @@ int VisualShaderNodeSmoothStep::get_output_port_count() const {
 
 VisualShaderNodeSmoothStep::PortType VisualShaderNodeSmoothStep::get_output_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_SCALAR:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_VECTOR:
 			return PORT_TYPE_VECTOR;
 		case OP_TYPE_VECTOR_SCALAR:
@@ -3319,16 +3295,11 @@ int VisualShaderNodeMix::get_input_port_count() const {
 
 VisualShaderNodeMix::PortType VisualShaderNodeMix::get_input_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_SCALAR:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_VECTOR:
-			if (p_port == 2) {
-				return PORT_TYPE_VECTOR;
-			}
 			return PORT_TYPE_VECTOR;
 		case OP_TYPE_VECTOR_SCALAR:
 			if (p_port == 2) {
-				return PORT_TYPE_SCALAR;
+				break;
 			}
 			return PORT_TYPE_VECTOR;
 		default:
@@ -3353,8 +3324,6 @@ int VisualShaderNodeMix::get_output_port_count() const {
 
 VisualShaderNodeMix::PortType VisualShaderNodeMix::get_output_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_SCALAR:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_VECTOR:
 			return PORT_TYPE_VECTOR;
 		case OP_TYPE_VECTOR_SCALAR:
@@ -4540,9 +4509,7 @@ int VisualShaderNodeTextureUniformTriplanar::get_input_port_count() const {
 }
 
 VisualShaderNodeTextureUniform::PortType VisualShaderNodeTextureUniformTriplanar::get_input_port_type(int p_port) const {
-	if (p_port == 0) {
-		return PORT_TYPE_VECTOR;
-	} else if (p_port == 1) {
+	if (p_port == 0 || p_port == 1) {
 		return PORT_TYPE_VECTOR;
 	}
 	return PORT_TYPE_SCALAR;
@@ -4923,8 +4890,6 @@ VisualShaderNodeSwitch::PortType VisualShaderNodeSwitch::get_input_port_type(int
 	}
 	if (p_port == 1 || p_port == 2) {
 		switch (op_type) {
-			case OP_TYPE_FLOAT:
-				return PORT_TYPE_SCALAR;
 			case OP_TYPE_INT:
 				return PORT_TYPE_SCALAR_INT;
 			case OP_TYPE_VECTOR:
@@ -4959,8 +4924,6 @@ int VisualShaderNodeSwitch::get_output_port_count() const {
 
 VisualShaderNodeSwitch::PortType VisualShaderNodeSwitch::get_output_port_type(int p_port) const {
 	switch (op_type) {
-		case OP_TYPE_FLOAT:
-			return PORT_TYPE_SCALAR;
 		case OP_TYPE_INT:
 			return PORT_TYPE_SCALAR_INT;
 		case OP_TYPE_VECTOR:
@@ -5238,9 +5201,6 @@ int VisualShaderNodeCompare::get_input_port_count() const {
 }
 
 VisualShaderNodeCompare::PortType VisualShaderNodeCompare::get_input_port_type(int p_port) const {
-	if (p_port == 2) {
-		return PORT_TYPE_SCALAR;
-	}
 	switch (ctype) {
 		case CTYPE_SCALAR:
 			return PORT_TYPE_SCALAR;
@@ -5252,8 +5212,9 @@ VisualShaderNodeCompare::PortType VisualShaderNodeCompare::get_input_port_type(i
 			return PORT_TYPE_BOOLEAN;
 		case CTYPE_TRANSFORM:
 			return PORT_TYPE_TRANSFORM;
+		default:
+			return PORT_TYPE_SCALAR;
 	}
-	return PORT_TYPE_VECTOR;
 }
 
 String VisualShaderNodeCompare::get_input_port_name(int p_port) const {
@@ -5472,10 +5433,10 @@ int VisualShaderNodeMultiplyAdd::get_input_port_count() const {
 }
 
 VisualShaderNodeMultiplyAdd::PortType VisualShaderNodeMultiplyAdd::get_input_port_type(int p_port) const {
-	if (op_type == OP_TYPE_SCALAR) {
-		return PORT_TYPE_SCALAR;
+	if (op_type == OP_TYPE_VECTOR) {
+		return PORT_TYPE_VECTOR;
 	}
-	return PORT_TYPE_VECTOR;
+	return PORT_TYPE_SCALAR;
 }
 
 String VisualShaderNodeMultiplyAdd::get_input_port_name(int p_port) const {
diff --git a/scene/resources/world_2d.cpp b/scene/resources/world_2d.cpp
index 156c7d0576..a064ade362 100644
--- a/scene/resources/world_2d.cpp
+++ b/scene/resources/world_2d.cpp
@@ -34,6 +34,7 @@
 #include "scene/2d/camera_2d.h"
 #include "scene/2d/visibility_notifier_2d.h"
 #include "scene/main/window.h"
+#include "servers/navigation_server_2d.h"
 #include "servers/physics_server_2d.h"
 #include "servers/rendering_server.h"
 
@@ -315,14 +316,18 @@ void World2D::_update() {
 	indexer->_update();
 }
 
-RID World2D::get_canvas() {
+RID World2D::get_canvas() const {
 	return canvas;
 }
 
-RID World2D::get_space() {
+RID World2D::get_space() const {
 	return space;
 }
 
+RID World2D::get_navigation_map() const {
+	return navigation_map;
+}
+
 void World2D::get_viewport_list(List<Viewport *> *r_viewports) {
 	for (Map<Viewport *, SpatialIndexer2D::ViewportData>::Element *E = indexer->viewports.front(); E; E = E->next()) {
 		r_viewports->push_back(E->key());
@@ -332,11 +337,13 @@ void World2D::get_viewport_list(List<Viewport *> *r_viewports) {
 void World2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_canvas"), &World2D::get_canvas);
 	ClassDB::bind_method(D_METHOD("get_space"), &World2D::get_space);
+	ClassDB::bind_method(D_METHOD("get_navigation_map"), &World2D::get_navigation_map);
 
 	ClassDB::bind_method(D_METHOD("get_direct_space_state"), &World2D::get_direct_space_state);
 
 	ADD_PROPERTY(PropertyInfo(Variant::RID, "canvas", PROPERTY_HINT_NONE, "", 0), "", "get_canvas");
 	ADD_PROPERTY(PropertyInfo(Variant::RID, "space", PROPERTY_HINT_NONE, "", 0), "", "get_space");
+	ADD_PROPERTY(PropertyInfo(Variant::RID, "navigation_map", PROPERTY_HINT_NONE, "", 0), "", "get_navigation_map");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "direct_space_state", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsDirectSpaceState2D", 0), "", "get_direct_space_state");
 }
 
@@ -346,9 +353,9 @@ PhysicsDirectSpaceState2D *World2D::get_direct_space_state() {
 
 World2D::World2D() {
 	canvas = RenderingServer::get_singleton()->canvas_create();
-	space = PhysicsServer2D::get_singleton()->space_create();
 
-	//set space2D to be more friendly with pixels than meters, by adjusting some constants
+	// Create and configure space2D to be more friendly with pixels than meters
+	space = PhysicsServer2D::get_singleton()->space_create();
 	PhysicsServer2D::get_singleton()->space_set_active(space, true);
 	PhysicsServer2D::get_singleton()->area_set_param(space, PhysicsServer2D::AREA_PARAM_GRAVITY, GLOBAL_DEF("physics/2d/default_gravity", 98));
 	PhysicsServer2D::get_singleton()->area_set_param(space, PhysicsServer2D::AREA_PARAM_GRAVITY_VECTOR, GLOBAL_DEF("physics/2d/default_gravity_vector", Vector2(0, 1)));
@@ -356,11 +363,19 @@ World2D::World2D() {
 	ProjectSettings::get_singleton()->set_custom_property_info("physics/2d/default_linear_damp", PropertyInfo(Variant::FLOAT, "physics/2d/default_linear_damp", PROPERTY_HINT_RANGE, "-1,100,0.001,or_greater"));
 	PhysicsServer2D::get_singleton()->area_set_param(space, PhysicsServer2D::AREA_PARAM_ANGULAR_DAMP, GLOBAL_DEF("physics/2d/default_angular_damp", 1.0));
 	ProjectSettings::get_singleton()->set_custom_property_info("physics/2d/default_angular_damp", PropertyInfo(Variant::FLOAT, "physics/2d/default_angular_damp", PROPERTY_HINT_RANGE, "-1,100,0.001,or_greater"));
+
+	// Create and configure the navigation_map to be more friendly with pixels than meters.
+	navigation_map = NavigationServer2D::get_singleton()->map_create();
+	NavigationServer2D::get_singleton()->map_set_active(navigation_map, true);
+	NavigationServer2D::get_singleton()->map_set_cell_size(navigation_map, GLOBAL_DEF("navigation/2d/default_cell_size", 10));
+	NavigationServer2D::get_singleton()->map_set_edge_connection_margin(navigation_map, GLOBAL_DEF("navigation/2d/default_edge_connection_margin", 100));
+
 	indexer = memnew(SpatialIndexer2D);
 }
 
 World2D::~World2D() {
 	RenderingServer::get_singleton()->free(canvas);
 	PhysicsServer2D::get_singleton()->free(space);
+	NavigationServer2D::get_singleton()->free(navigation_map);
 	memdelete(indexer);
 }
diff --git a/scene/resources/world_2d.h b/scene/resources/world_2d.h
index ae13367421..38abf3d7ad 100644
--- a/scene/resources/world_2d.h
+++ b/scene/resources/world_2d.h
@@ -44,6 +44,7 @@ class World2D : public Resource {
 
 	RID canvas;
 	RID space;
+	RID navigation_map;
 
 	SpatialIndexer2D *indexer;
 
@@ -63,8 +64,9 @@ protected:
 	void _update();
 
 public:
-	RID get_canvas();
-	RID get_space();
+	RID get_canvas() const;
+	RID get_space() const;
+	RID get_navigation_map() const;
 
 	PhysicsDirectSpaceState2D *get_direct_space_state();
 
diff --git a/scene/resources/world_3d.cpp b/scene/resources/world_3d.cpp
index 9c0317454b..0e9f7a6cf2 100644
--- a/scene/resources/world_3d.cpp
+++ b/scene/resources/world_3d.cpp
@@ -35,6 +35,7 @@
 #include "scene/3d/camera_3d.h"
 #include "scene/3d/visibility_notifier_3d.h"
 #include "scene/scene_string_names.h"
+#include "servers/navigation_server_3d.h"
 
 struct SpatialIndexer {
 	Octree<VisibilityNotifier3D> octree;
@@ -243,6 +244,10 @@ RID World3D::get_space() const {
 	return space;
 }
 
+RID World3D::get_navigation_map() const {
+	return navigation_map;
+}
+
 RID World3D::get_scenario() const {
 	return scenario;
 }
@@ -310,6 +315,7 @@ void World3D::get_camera_list(List<Camera3D *> *r_cameras) {
 
 void World3D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_space"), &World3D::get_space);
+	ClassDB::bind_method(D_METHOD("get_navigation_map"), &World3D::get_navigation_map);
 	ClassDB::bind_method(D_METHOD("get_scenario"), &World3D::get_scenario);
 	ClassDB::bind_method(D_METHOD("set_environment", "env"), &World3D::set_environment);
 	ClassDB::bind_method(D_METHOD("get_environment"), &World3D::get_environment);
@@ -322,6 +328,7 @@ void World3D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "fallback_environment", PROPERTY_HINT_RESOURCE_TYPE, "Environment"), "set_fallback_environment", "get_fallback_environment");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "camera_effects", PROPERTY_HINT_RESOURCE_TYPE, "CameraEffects"), "set_camera_effects", "get_camera_effects");
 	ADD_PROPERTY(PropertyInfo(Variant::RID, "space", PROPERTY_HINT_NONE, "", 0), "", "get_space");
+	ADD_PROPERTY(PropertyInfo(Variant::RID, "navigation_map", PROPERTY_HINT_NONE, "", 0), "", "get_navigation_map");
 	ADD_PROPERTY(PropertyInfo(Variant::RID, "scenario", PROPERTY_HINT_NONE, "", 0), "", "get_scenario");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "direct_space_state", PROPERTY_HINT_RESOURCE_TYPE, "PhysicsDirectSpaceState3D", 0), "", "get_direct_space_state");
 }
@@ -338,6 +345,11 @@ World3D::World3D() {
 	PhysicsServer3D::get_singleton()->area_set_param(space, PhysicsServer3D::AREA_PARAM_ANGULAR_DAMP, GLOBAL_DEF("physics/3d/default_angular_damp", 0.1));
 	ProjectSettings::get_singleton()->set_custom_property_info("physics/3d/default_angular_damp", PropertyInfo(Variant::FLOAT, "physics/3d/default_angular_damp", PROPERTY_HINT_RANGE, "-1,100,0.001,or_greater"));
 
+	navigation_map = NavigationServer3D::get_singleton()->map_create();
+	NavigationServer3D::get_singleton()->map_set_active(navigation_map, true);
+	NavigationServer3D::get_singleton()->map_set_cell_size(navigation_map, GLOBAL_DEF("navigation/3d/default_cell_size", 0.3));
+	NavigationServer3D::get_singleton()->map_set_edge_connection_margin(navigation_map, GLOBAL_DEF("navigation/3d/default_edge_connection_margin", 5.0)); // Five meters, depends a lot on the agent's radius
+
 #ifdef _3D_DISABLED
 	indexer = nullptr;
 #else
@@ -348,6 +360,7 @@ World3D::World3D() {
 World3D::~World3D() {
 	PhysicsServer3D::get_singleton()->free(space);
 	RenderingServer::get_singleton()->free(scenario);
+	NavigationServer3D::get_singleton()->free(navigation_map);
 
 #ifndef _3D_DISABLED
 	memdelete(indexer);
diff --git a/scene/resources/world_3d.h b/scene/resources/world_3d.h
index 3d6c33997e..4e2717a2bb 100644
--- a/scene/resources/world_3d.h
+++ b/scene/resources/world_3d.h
@@ -46,6 +46,7 @@ class World3D : public Resource {
 
 private:
 	RID space;
+	RID navigation_map;
 	RID scenario;
 	SpatialIndexer *indexer;
 	Ref<Environment> environment;
@@ -70,6 +71,7 @@ protected:
 
 public:
 	RID get_space() const;
+	RID get_navigation_map() const;
 	RID get_scenario() const;
 
 	void set_environment(const Ref<Environment> &p_environment);