diff --git a/bindings/c/CMakeLists.txt b/bindings/c/CMakeLists.txt
index 3b97ec33..ca7f4d0c 100644
--- a/bindings/c/CMakeLists.txt
+++ b/bindings/c/CMakeLists.txt
@@ -144,7 +144,7 @@ if (SVS_RUNTIME_ENABLE_LVQ_LEANVEC)
     else()
         # Links to LTO-enabled static library, requires GCC/G++ 11.2
         if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "11.2" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "11.3")
-            set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/nightly/svs-shared-library-lto-nightly-2026-09-11-1512.tar.gz"
+            set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/nightly/svs-shared-library-lto-nightly-2026-10-06-1613.tar.gz"
                 CACHE STRING "URL to download SVS shared library")
         else()
             # The fallback is correct but slower, so nothing downstream fails and CI
diff --git a/bindings/c/src/data_builder/simple.hpp b/bindings/c/src/data_builder/simple.hpp
index 7be4f672..070da551 100644
--- a/bindings/c/src/data_builder/simple.hpp
+++ b/bindings/c/src/data_builder/simple.hpp
@@ -69,9 +69,7 @@ class SimpleDataBuilder {
         return total_size;
     }
 
-    auto get_dataset(const data_type& data) const {
-        return svs::c_runtime::decompressed_dataset(data, svs::data::GetDatumAccessor{});
-    }
+    const data_type& get_dataset(const data_type& data) const { return data; }
 };
 
 template <Arithmetic T, typename Alloc>
diff --git a/bindings/c/src/dispatcher_dynamic_vamana.cpp b/bindings/c/src/dispatcher_dynamic_vamana.cpp
index a9241de1..3fa616ad 100644
--- a/bindings/c/src/dispatcher_dynamic_vamana.cpp
+++ b/bindings/c/src/dispatcher_dynamic_vamana.cpp
@@ -215,7 +215,7 @@ svs::DynamicVamana copy_dynamic_vamana_index(
     svs::data::copy(src_graph.get_data(), graph.get_data());
 
     // Copy/convert the data from the source index to the new data instance
-    const auto src_data = src_builder.get_dataset(src_index_impl->view_data());
+    decltype(auto) src_data = src_builder.get_dataset(src_index_impl->view_data());
 
     using allocator_type = typename DstDataBuilder::allocator_type;
     using value_type = typename allocator_type::value_type;
diff --git a/bindings/c/src/dispatcher_vamana.cpp b/bindings/c/src/dispatcher_vamana.cpp
index aec3a0b9..35f07071 100644
--- a/bindings/c/src/dispatcher_vamana.cpp
+++ b/bindings/c/src/dispatcher_vamana.cpp
@@ -177,7 +177,7 @@ svs::Vamana copy_vamana_index(
     svs::data::copy(src_graph.get_data(), graph.get_data());
 
     // Copy/convert the data from the source index to the new data instance
-    const auto src_data = src_builder.get_dataset(src_index_impl->view_data());
+    decltype(auto) src_data = src_builder.get_dataset(src_index_impl->view_data());
     using value_type = typename DstDataBuilder::allocator_type::value_type;
     auto data = dst_builder.build(src_data, pool, allocator_builder.build<value_type>());