diff --git a/deps/nostalgia/src/olympic/studio/modlib/include/studio/imguiutil.hpp b/deps/nostalgia/src/olympic/studio/modlib/include/studio/imguiutil.hpp
index 43d1bb8..cddb95c 100644
--- a/deps/nostalgia/src/olympic/studio/modlib/include/studio/imguiutil.hpp
+++ b/deps/nostalgia/src/olympic/studio/modlib/include/studio/imguiutil.hpp
@@ -34,7 +34,7 @@ ox::Result<T> getDragDropPayload(ox::CStringView name) noexcept {
 			static_cast<size_t>(payload->DataSize)});
 }
 
-ox::Error setDragDropPayload(ox::CStringView name, auto const&obj) noexcept {
+static ox::Error setDragDropPayload(ox::CStringViewCR name, auto const&obj) noexcept {
 	oxRequire(buff, ox::writeClaw(obj, ox::ClawFormat::Metal));
 	ImGui::SetDragDropPayload(name.c_str(), buff.data(), buff.size());
 	return {};
@@ -104,7 +104,7 @@ inline auto dragDropTarget(auto const&cb) noexcept {
 
 class ChildStackItem {
 	public:
-		explicit ChildStackItem(ox::CStringView id, ImVec2 const&sz = {}) noexcept;
+		explicit ChildStackItem(ox::CStringViewCR id, ImVec2 const&sz = {}) noexcept;
 		~ChildStackItem() noexcept;
 };
 
@@ -112,7 +112,7 @@ class IDStackItem {
 	public:
 		explicit IDStackItem(int id) noexcept;
 		explicit IDStackItem(const char *id) noexcept;
-		explicit IDStackItem(ox::CStringView id) noexcept;
+		explicit IDStackItem(ox::CStringViewCR id) noexcept;
 		~IDStackItem() noexcept;
 };
 
@@ -126,7 +126,7 @@ class IndentStackItem {
 
 void centerNextWindow(turbine::Context &ctx) noexcept;
 
-bool PushButton(ox::CStringView lbl, ImVec2 const&btnSz = BtnSz) noexcept;
+bool PushButton(ox::CStringViewCR lbl, ImVec2 const&btnSz = BtnSz) noexcept;
 
 template<typename Str>
 struct TextInput {
@@ -180,7 +180,7 @@ PopupResponse PopupControlsOkCancel(float popupWidth, bool &popupOpen);
 PopupResponse PopupControlsOkCancel(bool &popupOpen);
 
 [[nodiscard]]
-bool BeginPopup(turbine::Context &ctx, ox::CStringView popupName, bool &show, ImVec2 const&sz = {285, 0});
+bool BeginPopup(turbine::Context &ctx, ox::CStringViewCR popupName, bool &show, ImVec2 const&sz = {285, 0});
 
 /**
  *
@@ -199,20 +199,20 @@ bool ComboBox(ox::CStringView lbl, ox::Span<const ox::String> list, size_t &sele
  * @return true if new value selected, false otherwise
  */
 bool ComboBox(
-		ox::CStringView lbl,
+		ox::CStringViewCR lbl,
 		std::function<ox::CStringView(size_t)> const&f,
 		size_t strCnt,
 		size_t &selectedIdx) noexcept;
 
 bool FileComboBox(
-		ox::CStringView lbl,
-		studio::StudioContext &sctx,
-		ox::StringView fileExt,
+		ox::CStringViewCR lbl,
+		StudioContext &sctx,
+		ox::StringViewCR fileExt,
 		size_t &selectedIdx) noexcept;
 
 bool ListBox(
-		ox::CStringView name,
-		std::function<ox::CStringView(size_t)> const&f,
+		ox::CStringViewCR name,
+		std::function<ox::CStringViewCR(size_t)> const&f,
 		size_t strCnt,
 		size_t &selIdx) noexcept;
 
@@ -223,7 +223,7 @@ bool ListBox(
  * @param selIdx
  * @return true if new value selected, false otherwise
  */
-bool ListBox(ox::CStringView name, ox::Span<const ox::String> const&list, size_t &selIdx) noexcept;
+bool ListBox(ox::CStringViewCR name, ox::Span<const ox::String> const&list, size_t &selIdx) noexcept;
 
 class FilePicker {
 	private:
diff --git a/deps/nostalgia/src/olympic/studio/modlib/src/imguiutil.cpp b/deps/nostalgia/src/olympic/studio/modlib/src/imguiutil.cpp
index 5b68721..199d598 100644
--- a/deps/nostalgia/src/olympic/studio/modlib/src/imguiutil.cpp
+++ b/deps/nostalgia/src/olympic/studio/modlib/src/imguiutil.cpp
@@ -10,7 +10,7 @@
 
 namespace studio::ig {
 
-ChildStackItem::ChildStackItem(ox::CStringView id, ImVec2 const&sz) noexcept {
+ChildStackItem::ChildStackItem(ox::CStringViewCR id, ImVec2 const&sz) noexcept {
 	ImGui::BeginChild(id.c_str(), sz);
 }
 
@@ -26,7 +26,7 @@ IDStackItem::IDStackItem(const char *id) noexcept {
 	ImGui::PushID(id);
 }
 
-IDStackItem::IDStackItem(ox::CStringView id) noexcept: IDStackItem(id.c_str()) {}
+IDStackItem::IDStackItem(ox::CStringViewCR id) noexcept: IDStackItem(id.c_str()) {}
 
 IDStackItem::~IDStackItem() noexcept {
 	ImGui::PopID();
@@ -50,7 +50,7 @@ void centerNextWindow(turbine::Context &ctx) noexcept {
 	ImGui::SetNextWindowPos(ImVec2(screenW / mod, screenH / mod), ImGuiCond_Always, ImVec2(0.5f, 0.5f));
 }
 
-bool PushButton(ox::CStringView lbl, ImVec2 const&btnSz) noexcept {
+bool PushButton(ox::CStringViewCR lbl, ImVec2 const&btnSz) noexcept {
 	return ImGui::Button(lbl.c_str(), btnSz);
 }
 
@@ -77,7 +77,7 @@ PopupResponse PopupControlsOkCancel(bool &popupOpen) {
 	return PopupControlsOkCancel(ImGui::GetContentRegionAvail().x + 17, popupOpen);
 }
 
-bool BeginPopup(turbine::Context &ctx, ox::CStringView popupName, bool &show, ImVec2 const&sz) {
+bool BeginPopup(turbine::Context &ctx, ox::CStringViewCR popupName, bool &show, ImVec2 const&sz) {
 	constexpr auto modalFlags = ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize;
 	centerNextWindow(ctx);
 	ImGui::OpenPopup(popupName.c_str());
@@ -105,7 +105,7 @@ bool ComboBox(
 }
 
 bool ComboBox(
-		ox::CStringView lbl,
+		ox::CStringViewCR lbl,
 		std::function<ox::CStringView(size_t)> const&f,
 		size_t strCnt,
 		size_t &selectedIdx) noexcept {
@@ -125,17 +125,17 @@ bool ComboBox(
 }
 
 bool FileComboBox(
-		ox::CStringView lbl,
+		ox::CStringViewCR lbl,
 		StudioContext &sctx,
-		ox::StringView fileExt,
+		ox::StringViewCR fileExt,
 		size_t &selectedIdx) noexcept {
 	auto const&list = sctx.project->fileList(fileExt);
 	return ComboBox(lbl, list, selectedIdx);
 }
 
 bool ListBox(
-		ox::CStringView name,
-		std::function<ox::CStringView(size_t)> const&f,
+		ox::CStringViewCR name,
+		std::function<ox::CStringViewCR(size_t)> const&f,
 		size_t strCnt,
 		size_t &selIdx) noexcept {
 	auto out = false;
@@ -155,7 +155,7 @@ bool ListBox(
 	return out;
 }
 
-bool ListBox(ox::CStringView name, ox::Span<const ox::String> const&list, size_t &selIdx) noexcept {
+bool ListBox(ox::CStringViewCR name, ox::Span<const ox::String> const&list, size_t &selIdx) noexcept {
 	return ListBox(name, [list](size_t i) -> ox::CStringView {
 		return list[i];
 	}, list.size(), selIdx);