19 files changed, 394 insertions, 243 deletions

diff --git a/core/os/keyboard.cpp b/core/os/keyboard.cpp
index fa53cc85c8..9dfc91e308 100644
--- a/core/os/keyboard.cpp
+++ b/core/os/keyboard.cpp
@@ -461,99 +461,6 @@ const char *find_keycode_name(int p_keycode) {
 	return "";
 }
 
-struct _KeyCodeReplace {
-	int from;
-	int to;
-};
-
-static const _KeyCodeReplace _keycode_replace_qwertz[] = {
-	{ KEY_Y, KEY_Z },
-	{ KEY_Z, KEY_Y },
-	{ 0, 0 }
-};
-
-static const _KeyCodeReplace _keycode_replace_azerty[] = {
-	{ KEY_W, KEY_Z },
-	{ KEY_Z, KEY_W },
-	{ KEY_A, KEY_Q },
-	{ KEY_Q, KEY_A },
-	{ KEY_SEMICOLON, KEY_M },
-	{ KEY_M, KEY_SEMICOLON },
-	{ 0, 0 }
-};
-
-static const _KeyCodeReplace _keycode_replace_qzerty[] = {
-	{ KEY_W, KEY_Z },
-	{ KEY_Z, KEY_W },
-	{ KEY_SEMICOLON, KEY_M },
-	{ KEY_M, KEY_SEMICOLON },
-	{ 0, 0 }
-};
-
-static const _KeyCodeReplace _keycode_replace_dvorak[] = {
-	{ KEY_UNDERSCORE, KEY_BRACELEFT },
-	{ KEY_EQUAL, KEY_BRACERIGHT },
-	{ KEY_Q, KEY_APOSTROPHE },
-	{ KEY_W, KEY_COMMA },
-	{ KEY_E, KEY_PERIOD },
-	{ KEY_R, KEY_P },
-	{ KEY_T, KEY_Y },
-	{ KEY_Y, KEY_F },
-	{ KEY_U, KEY_G },
-	{ KEY_I, KEY_C },
-	{ KEY_O, KEY_R },
-	{ KEY_P, KEY_L },
-	{ KEY_BRACELEFT, KEY_SLASH },
-	{ KEY_BRACERIGHT, KEY_EQUAL },
-	{ KEY_A, KEY_A },
-	{ KEY_S, KEY_O },
-	{ KEY_D, KEY_E },
-	{ KEY_F, KEY_U },
-	{ KEY_G, KEY_I },
-	{ KEY_H, KEY_D },
-	{ KEY_J, KEY_H },
-	{ KEY_K, KEY_T },
-	{ KEY_L, KEY_N },
-	{ KEY_SEMICOLON, KEY_S },
-	{ KEY_APOSTROPHE, KEY_UNDERSCORE },
-	{ KEY_Z, KEY_SEMICOLON },
-	{ KEY_X, KEY_Q },
-	{ KEY_C, KEY_J },
-	{ KEY_V, KEY_K },
-	{ KEY_B, KEY_X },
-	{ KEY_N, KEY_B },
-	{ KEY_M, KEY_M },
-	{ KEY_COMMA, KEY_W },
-	{ KEY_PERIOD, KEY_V },
-	{ KEY_SLASH, KEY_Z },
-	{ 0, 0 }
-};
-
-static const _KeyCodeReplace _keycode_replace_neo[] = {
-	{ 0, 0 }
-};
-
-static const _KeyCodeReplace _keycode_replace_colemak[] = {
-	{ KEY_E, KEY_F },
-	{ KEY_R, KEY_P },
-	{ KEY_T, KEY_G },
-	{ KEY_Y, KEY_J },
-	{ KEY_U, KEY_L },
-	{ KEY_I, KEY_U },
-	{ KEY_O, KEY_Y },
-	{ KEY_P, KEY_SEMICOLON },
-	{ KEY_S, KEY_R },
-	{ KEY_D, KEY_S },
-	{ KEY_F, KEY_T },
-	{ KEY_G, KEY_D },
-	{ KEY_J, KEY_N },
-	{ KEY_K, KEY_E },
-	{ KEY_L, KEY_I },
-	{ KEY_SEMICOLON, KEY_O },
-	{ KEY_N, KEY_K },
-	{ 0, 0 }
-};
-
 int keycode_get_count() {
 
 	const _KeyCodeText *kct = &_keycodes[0];
@@ -574,31 +481,3 @@ int keycode_get_value_by_index(int p_index) {
 const char *keycode_get_name_by_index(int p_index) {
 	return _keycodes[p_index].text;
 }
-
-int latin_keyboard_keycode_convert(int p_keycode) {
-
-	const _KeyCodeReplace *kcr = NULL;
-	switch (OS::get_singleton()->get_latin_keyboard_variant()) {
-
-		case OS::LATIN_KEYBOARD_QWERTY: return p_keycode; break;
-		case OS::LATIN_KEYBOARD_QWERTZ: kcr = _keycode_replace_qwertz; break;
-		case OS::LATIN_KEYBOARD_AZERTY: kcr = _keycode_replace_azerty; break;
-		case OS::LATIN_KEYBOARD_QZERTY: kcr = _keycode_replace_qzerty; break;
-		case OS::LATIN_KEYBOARD_DVORAK: kcr = _keycode_replace_dvorak; break;
-		case OS::LATIN_KEYBOARD_NEO: kcr = _keycode_replace_neo; break;
-		case OS::LATIN_KEYBOARD_COLEMAK: kcr = _keycode_replace_colemak; break;
-		default: return p_keycode;
-	}
-
-	if (!kcr) {
-		return p_keycode;
-	}
-
-	while (kcr->from) {
-		if (kcr->from == p_keycode)
-			return kcr->to;
-		kcr++;
-	}
-
-	return p_keycode;
-}
diff --git a/core/os/keyboard.h b/core/os/keyboard.h
index 4c253fa4ce..a0e6f8b2ef 100644
--- a/core/os/keyboard.h
+++ b/core/os/keyboard.h
@@ -331,6 +331,5 @@ const char *find_keycode_name(int p_keycode);
 int keycode_get_count();
 int keycode_get_value_by_index(int p_index);
 const char *keycode_get_name_by_index(int p_index);
-int latin_keyboard_keycode_convert(int p_keycode);
 
 #endif
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 02d851288a..5b6b3d44f2 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -2085,9 +2085,9 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements, int p_
 						case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MUL: {
 							glBlendEquation(GL_FUNC_ADD);
 							if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) {
-								glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+								glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_DST_ALPHA, GL_ZERO);
 							} else {
-								glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+								glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_ZERO, GL_ONE);
 							}
 
 						} break;
diff --git a/editor/filesystem_dock.cpp b/editor/filesystem_dock.cpp
index f847382995..d5783c9b1a 100644
--- a/editor/filesystem_dock.cpp
+++ b/editor/filesystem_dock.cpp
@@ -1671,6 +1671,8 @@ void FileSystemDock::_files_gui_input(Ref<InputEvent> p_event) {
 			_file_option(FILE_COPY_PATH);
 		} else if (ED_IS_SHORTCUT("filesystem_dock/delete", p_event)) {
 			_file_option(FILE_REMOVE);
+		} else if (ED_IS_SHORTCUT("filesystem_dock/rename", p_event)) {
+			_file_option(FILE_RENAME);
 		}
 	}
 }
@@ -1781,6 +1783,7 @@ FileSystemDock::FileSystemDock(EditorNode *p_editor) {
 	ED_SHORTCUT("filesystem_dock/copy_path", TTR("Copy Path"), KEY_MASK_CMD | KEY_C);
 	ED_SHORTCUT("filesystem_dock/duplicate", TTR("Duplicate..."), KEY_MASK_CMD | KEY_D);
 	ED_SHORTCUT("filesystem_dock/delete", TTR("Delete"), KEY_DELETE);
+	ED_SHORTCUT("filesystem_dock/rename", TTR("Rename"));
 
 	HBoxContainer *toolbar_hbc = memnew(HBoxContainer);
 	add_child(toolbar_hbc);
diff --git a/main/SCsub b/main/SCsub
index 9eddc4f5b6..e2bf03234f 100644
--- a/main/SCsub
+++ b/main/SCsub
@@ -121,7 +121,7 @@ def make_default_controller_mappings(target, source, env):
             g.write("\t\"{}\",\n".format(mapping))
         g.write("#endif\n")
 
-    g.write("};\n")
+    g.write("\tNULL\n};\n")
     g.close()
 
 env.main_sources = []
diff --git a/modules/bullet/shape_bullet.cpp b/modules/bullet/shape_bullet.cpp
index 9cbf83689b..76d9614465 100644
--- a/modules/bullet/shape_bullet.cpp
+++ b/modules/bullet/shape_bullet.cpp
@@ -125,14 +125,13 @@ btScaledBvhTriangleMeshShape *ShapeBullet::create_shape_concave(btBvhTriangleMes
 	}
 }
 
-btHeightfieldTerrainShape *ShapeBullet::create_shape_height_field(PoolVector<real_t> &p_heights, int p_width, int p_depth, real_t p_cell_size) {
+btHeightfieldTerrainShape *ShapeBullet::create_shape_height_field(PoolVector<real_t> &p_heights, int p_width, int p_depth, real_t p_min_height, real_t p_max_height) {
 	const btScalar ignoredHeightScale(1);
-	const btScalar fieldHeight(500); // Meters
 	const int YAxis = 1; // 0=X, 1=Y, 2=Z
 	const bool flipQuadEdges = false;
 	const void *heightsPtr = p_heights.read().ptr();
 
-	return bulletnew(btHeightfieldTerrainShape(p_width, p_depth, heightsPtr, ignoredHeightScale, -fieldHeight, fieldHeight, YAxis, PHY_FLOAT, flipQuadEdges));
+	return bulletnew(btHeightfieldTerrainShape(p_width, p_depth, heightsPtr, ignoredHeightScale, p_min_height, p_max_height, YAxis, PHY_FLOAT, flipQuadEdges));
 }
 
 btRayShape *ShapeBullet::create_shape_ray(real_t p_length, bool p_slips_on_slope) {
@@ -387,19 +386,44 @@ void HeightMapShapeBullet::set_data(const Variant &p_data) {
 	Dictionary d = p_data;
 	ERR_FAIL_COND(!d.has("width"));
 	ERR_FAIL_COND(!d.has("depth"));
-	ERR_FAIL_COND(!d.has("cell_size"));
 	ERR_FAIL_COND(!d.has("heights"));
 
+	real_t l_min_height = 0.0;
+	real_t l_max_height = 0.0;
+
+	// If specified, min and max height will be used as precomputed values
+	if (d.has("min_height"))
+		l_min_height = d["min_height"];
+	if (d.has("max_height"))
+		l_max_height = d["max_height"];
+
+	ERR_FAIL_COND(l_min_height > l_max_height);
+
 	int l_width = d["width"];
 	int l_depth = d["depth"];
-	real_t l_cell_size = d["cell_size"];
 	PoolVector<real_t> l_heights = d["heights"];
 
 	ERR_FAIL_COND(l_width <= 0);
 	ERR_FAIL_COND(l_depth <= 0);
-	ERR_FAIL_COND(l_cell_size <= CMP_EPSILON);
-	ERR_FAIL_COND(l_heights.size() != (width * depth));
-	setup(heights, width, depth, cell_size);
+	ERR_FAIL_COND(l_heights.size() != (l_width * l_depth));
+
+	// Compute min and max heights if not specified.
+	if (!d.has("min_height") && !d.has("max_height")) {
+
+		PoolVector<real_t>::Read r = heights.read();
+		int heights_size = heights.size();
+
+		for (int i = 0; i < heights_size; ++i) {
+			real_t h = r[i];
+
+			if (h < l_min_height)
+				l_min_height = h;
+			else if (h > l_max_height)
+				l_max_height = h;
+		}
+	}
+
+	setup(l_heights, l_width, l_depth, l_min_height, l_max_height);
 }
 
 Variant HeightMapShapeBullet::get_data() const {
@@ -410,8 +434,14 @@ PhysicsServer::ShapeType HeightMapShapeBullet::get_type() const {
 	return PhysicsServer::SHAPE_HEIGHTMAP;
 }
 
-void HeightMapShapeBullet::setup(PoolVector<real_t> &p_heights, int p_width, int p_depth, real_t p_cell_size) {
+void HeightMapShapeBullet::setup(PoolVector<real_t> &p_heights, int p_width, int p_depth, real_t p_min_height, real_t p_max_height) {
+	// TODO cell size must be tweaked using localScaling, which is a shared property for all Bullet shapes
+
 	{ // Copy
+
+		// TODO If Godot supported 16-bit integer image format, we could share the same memory block for heightfields
+		// without having to copy anything, optimizing memory and loading performance (Bullet only reads and doesn't take ownership of the data).
+
 		const int heights_size = p_heights.size();
 		heights.resize(heights_size);
 		PoolVector<real_t>::Read p_heights_r = p_heights.read();
@@ -420,14 +450,16 @@ void HeightMapShapeBullet::setup(PoolVector<real_t> &p_heights, int p_width, int
 			heights_w[i] = p_heights_r[i];
 		}
 	}
+
 	width = p_width;
 	depth = p_depth;
-	cell_size = p_cell_size;
+	min_height = p_min_height;
+	max_height = p_max_height;
 	notifyShapeChanged();
 }
 
 btCollisionShape *HeightMapShapeBullet::create_bt_shape(const btVector3 &p_implicit_scale, real_t p_margin) {
-	btCollisionShape *cs(ShapeBullet::create_shape_height_field(heights, width, depth, cell_size));
+	btCollisionShape *cs(ShapeBullet::create_shape_height_field(heights, width, depth, min_height, max_height));
 	cs->setLocalScaling(p_implicit_scale);
 	prepare(cs);
 	cs->setMargin(p_margin);
diff --git a/modules/bullet/shape_bullet.h b/modules/bullet/shape_bullet.h
index 2acba90e36..abeea0f9ce 100644
--- a/modules/bullet/shape_bullet.h
+++ b/modules/bullet/shape_bullet.h
@@ -85,7 +85,7 @@ public:
 	/// IMPORTANT: Remember to delete the shape interface by calling: delete my_shape->getMeshInterface();
 	static class btConvexPointCloudShape *create_shape_convex(btAlignedObjectArray<btVector3> &p_vertices, const btVector3 &p_local_scaling = btVector3(1, 1, 1));
 	static class btScaledBvhTriangleMeshShape *create_shape_concave(btBvhTriangleMeshShape *p_mesh_shape, const btVector3 &p_local_scaling = btVector3(1, 1, 1));
-	static class btHeightfieldTerrainShape *create_shape_height_field(PoolVector<real_t> &p_heights, int p_width, int p_depth, real_t p_cell_size);
+	static class btHeightfieldTerrainShape *create_shape_height_field(PoolVector<real_t> &p_heights, int p_width, int p_depth, real_t p_min_height, real_t p_max_height);
 	static class btRayShape *create_shape_ray(real_t p_length, bool p_slips_on_slope);
 };
 
@@ -199,7 +199,8 @@ public:
 	PoolVector<real_t> heights;
 	int width;
 	int depth;
-	real_t cell_size;
+	real_t min_height;
+	real_t max_height;
 
 	HeightMapShapeBullet();
 
@@ -209,7 +210,7 @@ public:
 	virtual btCollisionShape *create_bt_shape(const btVector3 &p_implicit_scale, real_t p_margin = 0);
 
 private:
-	void setup(PoolVector<real_t> &p_heights, int p_width, int p_depth, real_t p_cell_size);
+	void setup(PoolVector<real_t> &p_heights, int p_width, int p_depth, real_t p_min_height, real_t p_max_height);
 };
 
 class RayShapeBullet : public ShapeBullet {
diff --git a/modules/gdnative/gdnative.cpp b/modules/gdnative/gdnative.cpp
index 42c3028f2c..897588385a 100644
--- a/modules/gdnative/gdnative.cpp
+++ b/modules/gdnative/gdnative.cpp
@@ -66,8 +66,169 @@ GDNativeLibrary::GDNativeLibrary() {
 GDNativeLibrary::~GDNativeLibrary() {
 }
 
+bool GDNativeLibrary::_set(const StringName &p_name, const Variant &p_property) {
+
+	String name = p_name;
+
+	if (name.begins_with("entry/")) {
+		String key = name.substr(6, name.length() - 6);
+
+		config_file->set_value("entry", key, p_property);
+
+		set_config_file(config_file);
+
+		return true;
+	}
+
+	if (name.begins_with("dependency/")) {
+		String key = name.substr(11, name.length() - 11);
+
+		config_file->set_value("dependencies", key, p_property);
+
+		set_config_file(config_file);
+
+		return true;
+	}
+
+	return false;
+}
+
+bool GDNativeLibrary::_get(const StringName &p_name, Variant &r_property) const {
+	String name = p_name;
+
+	if (name.begins_with("entry/")) {
+		String key = name.substr(6, name.length() - 6);
+
+		r_property = config_file->get_value("entry", key);
+
+		return true;
+	}
+
+	if (name.begins_with("dependency/")) {
+		String key = name.substr(11, name.length() - 11);
+
+		r_property = config_file->get_value("dependencies", key);
+
+		return true;
+	}
+
+	return false;
+}
+
+void GDNativeLibrary::_get_property_list(List<PropertyInfo> *p_list) const {
+	// set entries
+	List<String> entry_key_list;
+
+	if (config_file->has_section("entry"))
+		config_file->get_section_keys("entry", &entry_key_list);
+
+	for (List<String>::Element *E = entry_key_list.front(); E; E = E->next()) {
+		String key = E->get();
+
+		PropertyInfo prop;
+
+		prop.type = Variant::STRING;
+		prop.name = "entry/" + key;
+
+		p_list->push_back(prop);
+	}
+
+	// set dependencies
+	List<String> dependency_key_list;
+
+	if (config_file->has_section("dependencies"))
+		config_file->get_section_keys("dependencies", &dependency_key_list);
+
+	for (List<String>::Element *E = dependency_key_list.front(); E; E = E->next()) {
+		String key = E->get();
+
+		PropertyInfo prop;
+
+		prop.type = Variant::STRING;
+		prop.name = "dependency/" + key;
+
+		p_list->push_back(prop);
+	}
+}
+
+void GDNativeLibrary::set_config_file(Ref<ConfigFile> p_config_file) {
+
+	set_singleton(p_config_file->get_value("general", "singleton", default_singleton));
+	set_load_once(p_config_file->get_value("general", "load_once", default_load_once));
+	set_symbol_prefix(p_config_file->get_value("general", "symbol_prefix", default_symbol_prefix));
+	set_reloadable(p_config_file->get_value("general", "reloadable", default_reloadable));
+
+	String entry_lib_path;
+	{
+
+		List<String> entry_keys;
+
+		if (p_config_file->has_section("entry"))
+			p_config_file->get_section_keys("entry", &entry_keys);
+
+		for (List<String>::Element *E = entry_keys.front(); E; E = E->next()) {
+			String key = E->get();
+
+			Vector<String> tags = key.split(".");
+
+			bool skip = false;
+			for (int i = 0; i < tags.size(); i++) {
+				bool has_feature = OS::get_singleton()->has_feature(tags[i]);
+
+				if (!has_feature) {
+					skip = true;
+					break;
+				}
+			}
+
+			if (skip) {
+				continue;
+			}
+
+			entry_lib_path = p_config_file->get_value("entry", key);
+			break;
+		}
+	}
+
+	Vector<String> dependency_paths;
+	{
+
+		List<String> dependency_keys;
+
+		if (p_config_file->has_section("dependencies"))
+			p_config_file->get_section_keys("dependencies", &dependency_keys);
+
+		for (List<String>::Element *E = dependency_keys.front(); E; E = E->next()) {
+			String key = E->get();
+
+			Vector<String> tags = key.split(".");
+
+			bool skip = false;
+			for (int i = 0; i < tags.size(); i++) {
+				bool has_feature = OS::get_singleton()->has_feature(tags[i]);
+
+				if (!has_feature) {
+					skip = true;
+					break;
+				}
+			}
+
+			if (skip) {
+				continue;
+			}
+
+			dependency_paths = p_config_file->get_value("dependencies", key);
+			break;
+		}
+	}
+
+	current_library_path = entry_lib_path;
+	current_dependencies = dependency_paths;
+}
+
 void GDNativeLibrary::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_config_file"), &GDNativeLibrary::get_config_file);
+	ClassDB::bind_method(D_METHOD("set_config_file", "config_file"), &GDNativeLibrary::set_config_file);
 
 	ClassDB::bind_method(D_METHOD("get_current_library_path"), &GDNativeLibrary::get_current_library_path);
 	ClassDB::bind_method(D_METHOD("get_current_dependencies"), &GDNativeLibrary::get_current_dependencies);
@@ -82,6 +243,8 @@ void GDNativeLibrary::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_symbol_prefix", "symbol_prefix"), &GDNativeLibrary::set_symbol_prefix);
 	ClassDB::bind_method(D_METHOD("set_reloadable", "reloadable"), &GDNativeLibrary::set_reloadable);
 
+	ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "config_file", PROPERTY_HINT_RESOURCE_TYPE, "ConfigFile"), "set_config_file", "get_config_file");
+
 	ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "load_once"), "set_load_once", "should_load_once");
 	ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "singleton"), "set_singleton", "is_singleton");
 	ADD_PROPERTYNZ(PropertyInfo(Variant::STRING, "symbol_prefix"), "set_symbol_prefix", "get_symbol_prefix");
@@ -337,73 +500,7 @@ RES GDNativeLibraryResourceLoader::load(const String &p_path, const String &p_or
 		*r_error = err;
 	}
 
-	lib->set_singleton(config->get_value("general", "singleton", default_singleton));
-	lib->set_load_once(config->get_value("general", "load_once", default_load_once));
-	lib->set_symbol_prefix(config->get_value("general", "symbol_prefix", default_symbol_prefix));
-	lib->set_reloadable(config->get_value("general", "reloadable", default_reloadable));
-
-	String entry_lib_path;
-	{
-
-		List<String> entry_keys;
-		config->get_section_keys("entry", &entry_keys);
-
-		for (List<String>::Element *E = entry_keys.front(); E; E = E->next()) {
-			String key = E->get();
-
-			Vector<String> tags = key.split(".");
-
-			bool skip = false;
-			for (int i = 0; i < tags.size(); i++) {
-				bool has_feature = OS::get_singleton()->has_feature(tags[i]);
-
-				if (!has_feature) {
-					skip = true;
-					break;
-				}
-			}
-
-			if (skip) {
-				continue;
-			}
-
-			entry_lib_path = config->get_value("entry", key);
-			break;
-		}
-	}
-
-	Vector<String> dependency_paths;
-	{
-
-		List<String> dependency_keys;
-		config->get_section_keys("dependencies", &dependency_keys);
-
-		for (List<String>::Element *E = dependency_keys.front(); E; E = E->next()) {
-			String key = E->get();
-
-			Vector<String> tags = key.split(".");
-
-			bool skip = false;
-			for (int i = 0; i < tags.size(); i++) {
-				bool has_feature = OS::get_singleton()->has_feature(tags[i]);
-
-				if (!has_feature) {
-					skip = true;
-					break;
-				}
-			}
-
-			if (skip) {
-				continue;
-			}
-
-			dependency_paths = config->get_value("dependencies", key);
-			break;
-		}
-	}
-
-	lib->current_library_path = entry_lib_path;
-	lib->current_dependencies = dependency_paths;
+	lib->set_config_file(config);
 
 	return lib;
 }
diff --git a/modules/gdnative/gdnative.h b/modules/gdnative/gdnative.h
index 3298ea950f..b17bb94f1c 100644
--- a/modules/gdnative/gdnative.h
+++ b/modules/gdnative/gdnative.h
@@ -66,8 +66,14 @@ public:
 	GDNativeLibrary();
 	~GDNativeLibrary();
 
+	virtual bool _set(const StringName &p_name, const Variant &p_property);
+	virtual bool _get(const StringName &p_name, Variant &r_property) const;
+	virtual void _get_property_list(List<PropertyInfo> *p_list) const;
+
 	_FORCE_INLINE_ Ref<ConfigFile> get_config_file() { return config_file; }
 
+	void set_config_file(Ref<ConfigFile> p_config_file);
+
 	// things that change per-platform
 	// so there are no setters for this
 	_FORCE_INLINE_ String get_current_library_path() const {
diff --git a/modules/gdscript/gdscript_highlighter.cpp b/modules/gdscript/gdscript_highlighter.cpp
index 1e9f602d86..5b8b652c29 100644
--- a/modules/gdscript/gdscript_highlighter.cpp
+++ b/modules/gdscript/gdscript_highlighter.cpp
@@ -58,7 +58,7 @@ static bool _is_hex_symbol(CharType c) {
 	return ((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'));
 }
 
-Map<int, TextEdit::HighlighterInfo> GDSyntaxHighlighter::_get_line_syntax_highlighting(int p_line) {
+Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_highlighting(int p_line) {
 	Map<int, TextEdit::HighlighterInfo> color_map;
 
 	bool prev_is_char = false;
@@ -255,17 +255,17 @@ Map<int, TextEdit::HighlighterInfo> GDSyntaxHighlighter::_get_line_syntax_highli
 	return color_map;
 }
 
-String GDSyntaxHighlighter::get_name() {
+String GDScriptSyntaxHighlighter::get_name() {
 	return "GDScript";
 }
 
-List<String> GDSyntaxHighlighter::get_supported_languages() {
+List<String> GDScriptSyntaxHighlighter::get_supported_languages() {
 	List<String> languages;
 	languages.push_back("GDScript");
 	return languages;
 }
 
-void GDSyntaxHighlighter::_update_cache() {
+void GDScriptSyntaxHighlighter::_update_cache() {
 	font_color = text_editor->get_color("font_color");
 	symbol_color = text_editor->get_color("symbol_color");
 	function_color = text_editor->get_color("function_color");
@@ -273,6 +273,6 @@ void GDSyntaxHighlighter::_update_cache() {
 	member_color = text_editor->get_color("member_variable_color");
 }
 
-SyntaxHighlighter *GDSyntaxHighlighter::create() {
-	return memnew(GDSyntaxHighlighter);
+SyntaxHighlighter *GDScriptSyntaxHighlighter::create() {
+	return memnew(GDScriptSyntaxHighlighter);
 }
diff --git a/modules/gdscript/gdscript_highlighter.h b/modules/gdscript/gdscript_highlighter.h
index 0148e6ac1b..ef1bdd4103 100644
--- a/modules/gdscript/gdscript_highlighter.h
+++ b/modules/gdscript/gdscript_highlighter.h
@@ -33,7 +33,7 @@
 
 #include "scene/gui/text_edit.h"
 
-class GDSyntaxHighlighter : public SyntaxHighlighter {
+class GDScriptSyntaxHighlighter : public SyntaxHighlighter {
 private:
 	// colours
 	Color font_color;
diff --git a/modules/gdscript/register_types.cpp b/modules/gdscript/register_types.cpp
index 4cf13e3b71..85c94c3596 100644
--- a/modules/gdscript/register_types.cpp
+++ b/modules/gdscript/register_types.cpp
@@ -93,7 +93,7 @@ void register_gdscript_types() {
 	ResourceSaver::add_resource_format_saver(resource_saver_gd);
 
 #ifdef TOOLS_ENABLED
-	ScriptEditor::register_create_syntax_highlighter_function(GDSyntaxHighlighter::create);
+	ScriptEditor::register_create_syntax_highlighter_function(GDScriptSyntaxHighlighter::create);
 	EditorNode::add_init_callback(_editor_init);
 #endif
 }
diff --git a/platform/android/java_glue.cpp b/platform/android/java_glue.cpp
index 9baf58c3eb..579c06f76b 100644
--- a/platform/android/java_glue.cpp
+++ b/platform/android/java_glue.cpp
@@ -936,6 +936,9 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *en
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_back(JNIEnv *env, jobject obj) {
+	if (step == 0)
+		return;
+
 	os_android->main_loop_request_go_back();
 }
 
@@ -976,6 +979,9 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, job
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_touch(JNIEnv *env, jobject obj, jint ev, jint pointer, jint count, jintArray positions) {
 
+	if (step == 0)
+		return;
+
 	Vector<OS_Android::TouchPos> points;
 	for (int i = 0; i < count; i++) {
 
@@ -1250,6 +1256,8 @@ static unsigned int android_get_keysym(unsigned int p_code) {
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joybutton(JNIEnv *env, jobject obj, jint p_device, jint p_button, jboolean p_pressed) {
+	if (step == 0)
+		return;
 
 	OS_Android::JoypadEvent jevent;
 	jevent.device = p_device;
@@ -1261,6 +1269,8 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joybutton(JNIEnv *env
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyaxis(JNIEnv *env, jobject obj, jint p_device, jint p_axis, jfloat p_value) {
+	if (step == 0)
+		return;
 
 	OS_Android::JoypadEvent jevent;
 	jevent.device = p_device;
@@ -1272,6 +1282,9 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyaxis(JNIEnv *env,
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyhat(JNIEnv *env, jobject obj, jint p_device, jint p_hat_x, jint p_hat_y) {
+	if (step == 0)
+		return;
+
 	OS_Android::JoypadEvent jevent;
 	jevent.device = p_device;
 	jevent.type = OS_Android::JOY_EVENT_HAT;
@@ -1301,6 +1314,8 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyconnectionchanged(
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_key(JNIEnv *env, jobject obj, jint p_scancode, jint p_unicode_char, jboolean p_pressed) {
+	if (step == 0)
+		return;
 
 	Ref<InputEventKey> ievent;
 	ievent.instance();
@@ -1344,14 +1359,18 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gyroscope(JNIEnv *env
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusin(JNIEnv *env, jobject obj) {
 
-	if (os_android && step > 0)
-		os_android->main_loop_focusin();
+	if (step == 0)
+		return;
+
+	os_android->main_loop_focusin();
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusout(JNIEnv *env, jobject obj) {
 
-	if (os_android && step > 0)
-		os_android->main_loop_focusout();
+	if (step == 0)
+		return;
+
+	os_android->main_loop_focusout();
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_audio(JNIEnv *env, jobject obj) {
diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py
index be1866987a..a48cb872ee 100644
--- a/platform/javascript/detect.py
+++ b/platform/javascript/detect.py
@@ -139,13 +139,6 @@ def configure(env):
     # This setting just makes WebGL 2 APIs available, it does NOT disable WebGL 1.
     env.Append(LINKFLAGS=['-s', 'USE_WEBGL2=1'])
 
-    # engine.js uses FS but is not currently evaluated by Emscripten, so export FS.
-    # TODO: Getting rid of this export is desirable.
-    extra_exports = [
-        'FS',
-    ]
-    env.Append(LINKFLAGS=['-s', 'EXTRA_EXPORTED_RUNTIME_METHODS="%s"' % repr(extra_exports)])
-
     env.Append(LINKFLAGS=['-s', 'INVOKE_RUN=0'])
 
     # TODO: Reevaluate usage of this setting now that engine.js manages engine runtime.
diff --git a/platform/javascript/engine.js b/platform/javascript/engine.js
index e6fb48d0d2..e4839af433 100644
--- a/platform/javascript/engine.js
+++ b/platform/javascript/engine.js
@@ -1,3 +1,5 @@
+		exposedLibs['PATH'] = PATH;
+		exposedLibs['FS'] = FS;
 		return Module;
 	},
 };
@@ -12,6 +14,13 @@
 
 	var loadingFiles = {};
 
+	function getPathLeaf(path) {
+
+		while (path.endsWith('/'))
+			path = path.slice(0, -1);
+		return path.slice(path.lastIndexOf('/') + 1);
+	}
+
 	function getBasePath(path) {
 
 		if (path.endsWith('/'))
@@ -23,14 +32,15 @@
 
 	function getBaseName(path) {
 
-		path = getBasePath(path);
-		return path.slice(path.lastIndexOf('/') + 1);
+		return getPathLeaf(getBasePath(path));
 	}
 
 	Engine = function Engine() {
 
 		this.rtenv = null;
 
+		var LIBS = {};
+
 		var initPromise = null;
 		var unloadAfterInit = true;
 
@@ -80,11 +90,11 @@
 			return new Promise(function(resolve, reject) {
 				rtenvProps.onRuntimeInitialized = resolve;
 				rtenvProps.onAbort = reject;
-				rtenvProps.engine.rtenv = Engine.RuntimeEnvironment(rtenvProps);
+				rtenvProps.engine.rtenv = Engine.RuntimeEnvironment(rtenvProps, LIBS);
 			});
 		}
 
-		this.preloadFile = function(pathOrBuffer, bufferFilename) {
+		this.preloadFile = function(pathOrBuffer, destPath) {
 
 			if (pathOrBuffer instanceof ArrayBuffer) {
 				pathOrBuffer = new Uint8Array(pathOrBuffer);
@@ -93,14 +103,14 @@
 			}
 			if (pathOrBuffer instanceof Uint8Array) {
 				preloadedFiles.push({
-					name: bufferFilename,
+					path: destPath,
 					buffer: pathOrBuffer
 				});
 				return Promise.resolve();
 			} else if (typeof pathOrBuffer === 'string') {
 				return loadPromise(pathOrBuffer, preloadProgressTracker).then(function(xhr) {
 					preloadedFiles.push({
-						name: pathOrBuffer,
+						path: destPath || pathOrBuffer,
 						buffer: xhr.response
 					});
 				});
@@ -119,7 +129,12 @@
 		this.startGame = function(mainPack) {
 
 			executableName = getBaseName(mainPack);
-			return Promise.all([this.init(getBasePath(mainPack)), this.preloadFile(mainPack)]).then(
+			return Promise.all([
+				// Load from directory,
+				this.init(getBasePath(mainPack)),
+				// ...but write to root where the engine expects it.
+				this.preloadFile(mainPack, getPathLeaf(mainPack))
+			]).then(
 				Function.prototype.apply.bind(synchronousStart, this, [])
 			);
 		};
@@ -163,7 +178,16 @@
 			this.rtenv.thisProgram = executableName || getBaseName(basePath);
 
 			preloadedFiles.forEach(function(file) {
-				this.rtenv.FS.createDataFile('/', file.name, new Uint8Array(file.buffer), true, true, true);
+				var dir = LIBS.PATH.dirname(file.path);
+				try {
+					LIBS.FS.stat(dir);
+				} catch (e) {
+					if (e.code !== 'ENOENT') {
+						throw e;
+					}
+					LIBS.FS.mkdirTree(dir);
+				}
+				LIBS.FS.createDataFile('/', file.path, new Uint8Array(file.buffer), true, true, true);
 			}, this);
 
 			preloadedFiles = null;
diff --git a/platform/javascript/pre.js b/platform/javascript/pre.js
index 311aa44fda..02194bc75e 100644
--- a/platform/javascript/pre.js
+++ b/platform/javascript/pre.js
@@ -1,2 +1,2 @@
 var Engine = {
-	RuntimeEnvironment: function(Module) {
+	RuntimeEnvironment: function(Module, exposedLibs) {
diff --git a/platform/osx/godot_main_osx.mm b/platform/osx/godot_main_osx.mm
index 6ccbaf896b..64116fa1e0 100644
--- a/platform/osx/godot_main_osx.mm
+++ b/platform/osx/godot_main_osx.mm
@@ -101,5 +101,5 @@ int main(int argc, char **argv) {
 
 	Main::cleanup();
 
-	return 0;
+	return os.get_exit_code();
 };
diff --git a/platform/osx/os_osx.mm b/platform/osx/os_osx.mm
index ef23d61141..18e5fc1404 100644
--- a/platform/osx/os_osx.mm
+++ b/platform/osx/os_osx.mm
@@ -192,6 +192,7 @@ static Vector2 get_mouse_pos(NSEvent *event) {
 	// Note: called before main loop init!
 	char *utfs = strdup([filename UTF8String]);
 	OS_OSX::singleton->open_with_filename.parse_utf8(utfs);
+	free(utfs);
 	return YES;
 }
 
@@ -838,6 +839,108 @@ static int translateKey(unsigned int key) {
 	return table[key];
 }
 
+struct _KeyCodeMap {
+	UniChar kchar;
+	int kcode;
+};
+
+static const _KeyCodeMap _keycodes[55] = {
+	{ '`', KEY_QUOTELEFT },
+	{ '~', KEY_ASCIITILDE },
+	{ '0', KEY_KP_0 },
+	{ '1', KEY_KP_1 },
+	{ '2', KEY_KP_2 },
+	{ '3', KEY_KP_3 },
+	{ '4', KEY_KP_4 },
+	{ '5', KEY_KP_5 },
+	{ '6', KEY_KP_6 },
+	{ '7', KEY_KP_7 },
+	{ '8', KEY_KP_8 },
+	{ '9', KEY_KP_9 },
+	{ '-', KEY_MINUS },
+	{ '_', KEY_UNDERSCORE },
+	{ '=', KEY_EQUAL },
+	{ '+', KEY_PLUS },
+	{ 'q', KEY_Q },
+	{ 'w', KEY_W },
+	{ 'e', KEY_E },
+	{ 'r', KEY_R },
+	{ 't', KEY_T },
+	{ 'y', KEY_Y },
+	{ 'u', KEY_U },
+	{ 'i', KEY_I },
+	{ 'o', KEY_O },
+	{ 'p', KEY_P },
+	{ '[', KEY_BRACERIGHT },
+	{ ']', KEY_BRACELEFT },
+	{ '{', KEY_BRACERIGHT },
+	{ '}', KEY_BRACELEFT },
+	{ 'a', KEY_A },
+	{ 's', KEY_S },
+	{ 'd', KEY_D },
+	{ 'f', KEY_F },
+	{ 'g', KEY_G },
+	{ 'h', KEY_H },
+	{ 'j', KEY_J },
+	{ 'k', KEY_K },
+	{ 'l', KEY_L },
+	{ ';', KEY_SEMICOLON },
+	{ ':', KEY_COLON },
+	{ '\'', KEY_APOSTROPHE },
+	{ '\"', KEY_QUOTEDBL },
+	{ '\\', KEY_BACKSLASH },
+	{ '#', KEY_NUMBERSIGN },
+	{ 'z', KEY_Z },
+	{ 'x', KEY_X },
+	{ 'c', KEY_C },
+	{ 'v', KEY_V },
+	{ 'b', KEY_B },
+	{ 'n', KEY_N },
+	{ 'm', KEY_M },
+	{ ',', KEY_COMMA },
+	{ '.', KEY_PERIOD },
+	{ '/', KEY_SLASH }
+};
+
+static int remapKey(unsigned int key) {
+
+	TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
+	if (!currentKeyboard)
+		return translateKey(key);
+
+	CFDataRef layoutData = (CFDataRef)TISGetInputSourceProperty(currentKeyboard, kTISPropertyUnicodeKeyLayoutData);
+	if (!layoutData)
+		return nil;
+
+	const UCKeyboardLayout *keyboardLayout = (const UCKeyboardLayout *)CFDataGetBytePtr(layoutData);
+
+	UInt32 keysDown = 0;
+	UniChar chars[4];
+	UniCharCount realLength;
+
+	OSStatus err = UCKeyTranslate(keyboardLayout,
+			key,
+			kUCKeyActionDisplay,
+			0,
+			LMGetKbdType(),
+			kUCKeyTranslateNoDeadKeysBit,
+			&keysDown,
+			sizeof(chars) / sizeof(chars[0]),
+			&realLength,
+			chars);
+
+	if (err != noErr) {
+		return translateKey(key);
+	}
+
+	for (unsigned int i = 0; i < 55; i++) {
+		if (_keycodes[i].kchar == chars[0]) {
+			return _keycodes[i].kcode;
+		}
+	}
+	return translateKey(key);
+}
+
 - (void)keyDown:(NSEvent *)event {
 
 	//disable raw input in IME mode
@@ -847,7 +950,7 @@ static int translateKey(unsigned int key) {
 		ke.osx_state = [event modifierFlags];
 		ke.pressed = true;
 		ke.echo = [event isARepeat];
-		ke.scancode = latin_keyboard_keycode_convert(translateKey([event keyCode]));
+		ke.scancode = remapKey([event keyCode]);
 		ke.unicode = 0;
 
 		push_to_key_event_buffer(ke);
@@ -900,7 +1003,7 @@ static int translateKey(unsigned int key) {
 		}
 
 		ke.osx_state = mod;
-		ke.scancode = latin_keyboard_keycode_convert(translateKey(key));
+		ke.scancode = remapKey(key);
 		ke.unicode = 0;
 
 		push_to_key_event_buffer(ke);
@@ -916,7 +1019,7 @@ static int translateKey(unsigned int key) {
 		ke.osx_state = [event modifierFlags];
 		ke.pressed = false;
 		ke.echo = false;
-		ke.scancode = latin_keyboard_keycode_convert(translateKey([event keyCode]));
+		ke.scancode = remapKey([event keyCode]);
 		ke.unicode = 0;
 
 		push_to_key_event_buffer(ke);
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index d5a9bfb606..37aeef8999 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -1492,11 +1492,6 @@ const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
 	{ "abs", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID } },
 	{ "abs", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID } },
 
-	{ "abs", TYPE_UINT, { TYPE_UINT, TYPE_VOID } },
-	{ "abs", TYPE_UVEC2, { TYPE_UVEC2, TYPE_VOID } },
-	{ "abs", TYPE_UVEC3, { TYPE_UVEC3, TYPE_VOID } },
-	{ "abs", TYPE_UVEC4, { TYPE_UVEC4, TYPE_VOID } },
-
 	{ "sign", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID } },
 	{ "sign", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID } },
 	{ "sign", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID } },