diff --git a/deps/nostalgia/src/nostalgia/modules/gfx/src/studio/subcommands/export-tilesheet/export-tilesheet.cpp b/deps/nostalgia/src/nostalgia/modules/gfx/src/studio/subcommands/export-tilesheet/export-tilesheet.cpp
index 31c0ce3..1f26e24 100644
--- a/deps/nostalgia/src/nostalgia/modules/gfx/src/studio/subcommands/export-tilesheet/export-tilesheet.cpp
+++ b/deps/nostalgia/src/nostalgia/modules/gfx/src/studio/subcommands/export-tilesheet/export-tilesheet.cpp
@@ -146,7 +146,7 @@ ox::Error cmdExportTilesheet(studio::Project &project, ox::SpanView<ox::CString>
 	// load objects
 	auto &kctx = project.kctx();
 	OX_REQUIRE(ts, keel::readObj<TileSheet>(kctx, srcPath).transformError(4, "could not load TileSheet"));
-	OX_REQUIRE(pal, keel::readObj<Palette>(kctx, palPath.len() ? palPath : ts->defaultPalette)
+	OX_REQUIRE(pal, keel::readObj<Palette>(kctx, palPath.size() ? palPath : ts->defaultPalette)
 		.transformError(5, "could not load Palette"));
 	// export to the destination file
 	return exportSubsheetToPng(
diff --git a/deps/nostalgia/src/olympic/applib/CMakeLists.txt b/deps/nostalgia/src/olympic/applib/CMakeLists.txt
index 0b20b16..ef01a00 100644
--- a/deps/nostalgia/src/olympic/applib/CMakeLists.txt
+++ b/deps/nostalgia/src/olympic/applib/CMakeLists.txt
@@ -3,6 +3,11 @@ add_library(
     OlympicApplib INTERFACE
 )
 
+target_link_libraries(
+    OlympicApplib INTERFACE
+        OxLogConn
+)
+
 target_sources(
     OlympicApplib INTERFACE
         applib.cpp
diff --git a/deps/nostalgia/src/olympic/keel/src/media.cpp b/deps/nostalgia/src/olympic/keel/src/media.cpp
index 0c5b831..8dba38f 100644
--- a/deps/nostalgia/src/olympic/keel/src/media.cpp
+++ b/deps/nostalgia/src/olympic/keel/src/media.cpp
@@ -59,7 +59,7 @@ static ox::Error buildUuidMap(Context &ctx, ox::StringViewCR path, DuplicateSet
 			auto const [uuid, err] = readUuidHeader(buff);
 			if (!err) {
 				// check for duplication
-				if (duplicates && ctx.uuidToPath[uuid.toString()].len()) {
+				if (duplicates && ctx.uuidToPath[uuid.toString()].size()) {
 					auto &dl = (*duplicates)[uuid];
 					if (dl.empty()) {
 						dl.emplace_back(ctx.uuidToPath[uuid.toString()]);
diff --git a/deps/nostalgia/src/olympic/keel/src/pack-applib.cpp b/deps/nostalgia/src/olympic/keel/src/pack-applib.cpp
index 5222e03..953230b 100644
--- a/deps/nostalgia/src/olympic/keel/src/pack-applib.cpp
+++ b/deps/nostalgia/src/olympic/keel/src/pack-applib.cpp
@@ -88,7 +88,7 @@ static ox::Error pack(
 	oxOutf("Final ROM buff size: {} bytes\n", romBuff.size());
 	OX_RETURN_ERROR(writeFileBuff(argRomBin, romBuff));
 	OX_REQUIRE(manifestJson, ox::writeOCString(manifest));
-	OX_RETURN_ERROR(writeFileBuff(argManifest, {manifestJson.data(), manifestJson.len()}));
+	OX_RETURN_ERROR(writeFileBuff(argManifest, {manifestJson.data(), manifestJson.size()}));
 	return {};
 }
 
diff --git a/deps/nostalgia/src/olympic/keel/test/tests.cpp b/deps/nostalgia/src/olympic/keel/test/tests.cpp
index 5e18e39..e78280d 100644
--- a/deps/nostalgia/src/olympic/keel/test/tests.cpp
+++ b/deps/nostalgia/src/olympic/keel/test/tests.cpp
@@ -16,7 +16,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 			constexpr ox::StringView uuidStr = "8d814442-f46e-4cc3-8edc-ca3c01cc86db";
 			constexpr ox::StringView hdr = "K1;8d814442-f46e-4cc3-8edc-ca3c01cc86db;";
 			OX_REQUIRE(uuid, ox::UUID::fromString(uuidStr));
-			ox::Array<char, hdr.len()> buff;
+			ox::Array<char, hdr.size()> buff;
 			ox::CharBuffWriter bw(buff);
 			OX_RETURN_ERROR(keel::writeUuidHeader(bw, uuid));
 			oxExpect(ox::StringView(buff.data(), buff.size()), hdr);
diff --git a/deps/nostalgia/src/olympic/studio/applib/src/popups/newmenu.cpp b/deps/nostalgia/src/olympic/studio/applib/src/popups/newmenu.cpp
index ded8fd7..9e6d68d 100644
--- a/deps/nostalgia/src/olympic/studio/applib/src/popups/newmenu.cpp
+++ b/deps/nostalgia/src/olympic/studio/applib/src/popups/newmenu.cpp
@@ -192,7 +192,7 @@ void NewMenu::drawLastPageButtons(Context &sctx) noexcept {
 }
 
 void NewMenu::finish(Context &sctx) noexcept {
-	if (m_itemName.len() == 0) {
+	if (m_itemName.size() == 0) {
 		oxLogError(ox::Error{1, "New file error: no file name"});
 		return;
 	}
diff --git a/deps/nostalgia/src/olympic/studio/applib/src/projectexplorer.cpp b/deps/nostalgia/src/olympic/studio/applib/src/projectexplorer.cpp
index d3b374d..6eb9074 100644
--- a/deps/nostalgia/src/olympic/studio/applib/src/projectexplorer.cpp
+++ b/deps/nostalgia/src/olympic/studio/applib/src/projectexplorer.cpp
@@ -57,7 +57,7 @@ void ProjectExplorer::dirContextMenu(ox::StringViewCR path) const noexcept {
 		if (ImGui::MenuItem("Add Directory")) {
 			addDir.emit(path);
 		}
-		if (path.len() && ImGui::MenuItem("Delete")) {
+		if (path.size() && ImGui::MenuItem("Delete")) {
 			deleteItem.emit(path);
 		}
 		ImGui::EndPopup();
diff --git a/deps/nostalgia/src/olympic/studio/modlib/include/studio/project.hpp b/deps/nostalgia/src/olympic/studio/modlib/include/studio/project.hpp
index f730e8b..6d9bd27 100644
--- a/deps/nostalgia/src/olympic/studio/modlib/include/studio/project.hpp
+++ b/deps/nostalgia/src/olympic/studio/modlib/include/studio/project.hpp
@@ -40,8 +40,8 @@ constexpr ox::Result<ox::StringView> fileExt(ox::StringViewCR path) noexcept {
 
 [[nodiscard]]
 constexpr ox::StringView parentDir(ox::StringView path) noexcept {
-	if (path.len() && path[path.len() - 1] == '/') {
-		path = substr(path, 0, path.len() - 1);
+	if (path.size() && path[path.size() - 1] == '/') {
+		path = substr(path, 0, path.size() - 1);
 	}
 	auto const extStart = ox::find(path.crbegin(), path.crend(), '/').offset();
 	return substr(path, 0, extStart);
diff --git a/deps/nostalgia/src/olympic/studio/modlib/src/filedialog_nfd.cpp b/deps/nostalgia/src/olympic/studio/modlib/src/filedialog_nfd.cpp
index f298621..2d35b60 100644
--- a/deps/nostalgia/src/olympic/studio/modlib/src/filedialog_nfd.cpp
+++ b/deps/nostalgia/src/olympic/studio/modlib/src/filedialog_nfd.cpp
@@ -13,10 +13,10 @@ namespace studio {
 
 FDFilterItem::FDFilterItem(ox::StringViewCR pName, ox::StringViewCR pSpec) noexcept {
 	OX_ALLOW_UNSAFE_BUFFERS_BEGIN
-	name.resize(pName.len() + 1);
-	ox::strncpy(name.data(), pName.data(), pName.len());
-	spec.resize(pSpec.len() + 1);
-	ox::strncpy(spec.data(), pSpec.data(), pSpec.len());
+	name.resize(pName.size() + 1);
+	ox::strncpy(name.data(), pName.data(), pName.size());
+	spec.resize(pSpec.size() + 1);
+	ox::strncpy(spec.data(), pSpec.data(), pSpec.size());
 	OX_ALLOW_UNSAFE_BUFFERS_END
 }