diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2601df03a..1048adc29 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -18,7 +18,7 @@ repos:
       - id: clang-format
         name: clang-format
         language: python
-        entry: tools/clang-format.sh
+        entry: tools/clang-format.sh clang-format true
         args: [clang-format]
         additional_dependencies: ["clang-format>=15,<16"]
 
diff --git a/bindings/cpp/CMakeLists.txt b/bindings/cpp/CMakeLists.txt
index 122e5c8f7..7664fe446 100644
--- a/bindings/cpp/CMakeLists.txt
+++ b/bindings/cpp/CMakeLists.txt
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 cmake_minimum_required(VERSION 3.21)
-project(svs_runtime VERSION 0.1.0 LANGUAGES CXX)
+project(svs_runtime VERSION 1.0.0 LANGUAGES CXX)
 set(TARGET_NAME svs_runtime)
 
 set(SVS_RUNTIME_HEADERS
@@ -98,14 +98,14 @@ 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/v1.0.0-dev/svs-shared-library-1.0.0-NIGHTLY-20251119-807-lto.tar.gz"
+            set(SVS_URL "<PLEASE_UPDATE_ME>"
                 CACHE STRING "URL to download SVS shared library")
         else()
             message(WARNING
                 "Pre-built LVQ/LeanVec SVS library requires GCC/G++ v.11.2 to apply LTO optimizations."
                 "Current compiler: ${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION}"
             )
-            set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/v0.0.11/svs-shared-library-0.0.11.tar.gz"
+            set(SVS_URL "<PLEASE_UPDATE_ME>"
                 CACHE STRING "URL to download SVS shared library")
         endif()
         include(FetchContent)
diff --git a/bindings/cpp/include/svs/runtime/api_defs.h b/bindings/cpp/include/svs/runtime/api_defs.h
index f77df9d78..940021ac0 100644
--- a/bindings/cpp/include/svs/runtime/api_defs.h
+++ b/bindings/cpp/include/svs/runtime/api_defs.h
@@ -208,5 +208,21 @@ struct SVS_RUNTIME_API_INTERFACE ResultsAllocator {
 };
 
 } // namespace v0
+
+namespace v1 {
+using v0::ErrorCode;
+using v0::IDFilter;
+using v0::is_specified;
+using v0::MetricType;
+using v0::OptionalBool;
+using v0::ResultsAllocator;
+using v0::SearchResultsStorage;
+using v0::set_if_specified;
+using v0::Status;
+using v0::Status_Ok;
+using v0::StorageKind;
+using v0::Unspecify;
+} // namespace v1
+
 } // namespace runtime
 } // namespace svs
diff --git a/bindings/cpp/include/svs/runtime/dynamic_vamana_index.h b/bindings/cpp/include/svs/runtime/dynamic_vamana_index.h
index 97596b3af..4b9b239aa 100644
--- a/bindings/cpp/include/svs/runtime/dynamic_vamana_index.h
+++ b/bindings/cpp/include/svs/runtime/dynamic_vamana_index.h
@@ -125,5 +125,11 @@ struct SVS_RUNTIME_API DynamicVamanaIndexLeanVec : public DynamicVamanaIndex {
 };
 
 } // namespace v0
+
+namespace v1 {
+using v0::DynamicVamanaIndex;
+using v0::DynamicVamanaIndexLeanVec;
+} // namespace v1
+
 } // namespace runtime
 } // namespace svs
diff --git a/bindings/cpp/include/svs/runtime/flat_index.h b/bindings/cpp/include/svs/runtime/flat_index.h
index 9c635e35d..c956fcdf1 100644
--- a/bindings/cpp/include/svs/runtime/flat_index.h
+++ b/bindings/cpp/include/svs/runtime/flat_index.h
@@ -47,5 +47,10 @@ struct SVS_RUNTIME_API FlatIndex {
 };
 
 } // namespace v0
+
+namespace v1 {
+using v0::FlatIndex;
+} // namespace v1
+
 } // namespace runtime
 } // namespace svs
diff --git a/bindings/cpp/include/svs/runtime/training.h b/bindings/cpp/include/svs/runtime/training.h
index 08b2e36d9..799a74604 100644
--- a/bindings/cpp/include/svs/runtime/training.h
+++ b/bindings/cpp/include/svs/runtime/training.h
@@ -27,6 +27,15 @@ namespace v0 {
 
 struct SVS_RUNTIME_API LeanVecTrainingData {
     virtual ~LeanVecTrainingData();
+
+    /* Build LeanVec training data (compression matrices) from the provided
+     * data.
+     * @param training_data Output parameter to the created training data object
+     * @param dim Dimensionality of the input data and queries
+     * @param n Number of data points and queries
+     * @param x Pointer to the input data
+     * @param leanvec_dims Number of dimensions in the resulting LeanVec data
+     */
     static Status build(
         LeanVecTrainingData** training_data,
         size_t dim,
@@ -42,5 +51,37 @@ struct SVS_RUNTIME_API LeanVecTrainingData {
 };
 
 } // namespace v0
+
+namespace v1 {
+
+struct SVS_RUNTIME_API LeanVecTrainingData : public v0::LeanVecTrainingData {
+    using v0::LeanVecTrainingData::destroy;
+    using v0::LeanVecTrainingData::save;
+
+    /* Build LeanVec training data (compression matrices) from the provided
+     * data.
+     * Accepts optional training queries for out-of-distribution training.
+     * @param training_data Output parameter to the created training data object
+     * @param dim Dimensionality of the input data and queries
+     * @param n Number of data points and queries
+     * @param x Pointer to the input data
+     * @param n_train Number of training queries (can be 0)
+     * @param q Pointer to the training queries (can be nullptr)
+     * @param leanvec_dims Number of dimensions in the resulting LeanVec data
+     */
+    static Status build(
+        LeanVecTrainingData** training_data,
+        size_t dim,
+        size_t n,
+        const float* x,
+        size_t n_train,
+        const float* q,
+        size_t leanvec_dims
+    ) noexcept;
+
+    static Status load(LeanVecTrainingData** training_data, std::istream& in) noexcept;
+};
+
+} // namespace v1
 } // namespace runtime
 } // namespace svs
diff --git a/bindings/cpp/include/svs/runtime/vamana_index.h b/bindings/cpp/include/svs/runtime/vamana_index.h
index ba9739fb4..4b50fb40c 100644
--- a/bindings/cpp/include/svs/runtime/vamana_index.h
+++ b/bindings/cpp/include/svs/runtime/vamana_index.h
@@ -69,5 +69,10 @@ struct SVS_RUNTIME_API VamanaIndex {
 };
 
 } // namespace v0
+
+namespace v1 {
+using v0::VamanaIndex;
+} // namespace v1
+
 } // namespace runtime
 } // namespace svs
diff --git a/bindings/cpp/include/svs/runtime/version.h b/bindings/cpp/include/svs/runtime/version.h
index 11aa5ed32..184656383 100644
--- a/bindings/cpp/include/svs/runtime/version.h
+++ b/bindings/cpp/include/svs/runtime/version.h
@@ -36,12 +36,12 @@
 #ifndef SVS_RUNTIME_VERSION_MAJOR
 /// Major version number - incremented for breaking API changes
 /// When this changes, a new version namespace (e.g., v0 -> v1) is created
-#define SVS_RUNTIME_VERSION_MAJOR 0
+#define SVS_RUNTIME_VERSION_MAJOR 1
 #endif
 
 #ifndef SVS_RUNTIME_VERSION_MINOR
 /// Minor version number - incremented for backward-compatible feature additions
-#define SVS_RUNTIME_VERSION_MINOR 1
+#define SVS_RUNTIME_VERSION_MINOR 0
 #endif
 
 #ifndef SVS_RUNTIME_VERSION_PATCH
@@ -51,7 +51,7 @@
 
 #ifndef SVS_RUNTIME_VERSION_STRING
 /// Complete version string
-#define SVS_RUNTIME_VERSION_STRING "0.1.0"
+#define SVS_RUNTIME_VERSION_STRING "1.0.0"
 #endif
 
 #ifndef SVS_RUNTIME_API_VERSION
@@ -59,13 +59,27 @@
 #define SVS_RUNTIME_API_VERSION SVS_RUNTIME_VERSION_MAJOR
 #endif
 
-#if (SVS_RUNTIME_API_VERSION == 0)
+#if (SVS_RUNTIME_API_VERSION == 1)
+/// Use v1 API
+/// API version namespace (v1)
+#define SVS_RUNTIME_CURRENT_API_NAMESPACE v1
+namespace svs {
+namespace runtime {
+namespace v0 {}
+/// All public runtime APIs live here and are accessible as svs::runtime::FunctionName
+/// due to inline namespace
+inline namespace v1 {
+// Public runtime APIs will be defined in their respective headers
+// IMPORTANT: include this header before other runtime headers to ensure proper versioning
+}
+} // namespace runtime
+} // namespace svs
+#elif (SVS_RUNTIME_API_VERSION == 0)
 /// Use v0 API
-/// Current API version namespace
+/// API version namespace (v0)
 #define SVS_RUNTIME_CURRENT_API_NAMESPACE v0
 namespace svs {
 namespace runtime {
-/// Current API version namespace (v0)
 /// All public runtime APIs live here and are accessible as svs::runtime::FunctionName
 /// due to inline namespace
 inline namespace v0 {
diff --git a/bindings/cpp/src/training.cpp b/bindings/cpp/src/training.cpp
index 77309af3d..85e2aa2ae 100644
--- a/bindings/cpp/src/training.cpp
+++ b/bindings/cpp/src/training.cpp
@@ -24,6 +24,8 @@
 namespace svs {
 namespace runtime {
 
+namespace v0 {
+
 LeanVecTrainingData::~LeanVecTrainingData() = default;
 
 Status LeanVecTrainingData::build(
@@ -50,13 +52,56 @@ LeanVecTrainingData::load(LeanVecTrainingData** training_data, std::istream& in)
         *training_data = new LeanVecTrainingDataManager{LeanVecTrainingDataImpl::load(in)};
     });
 }
+
+} // namespace v0
+
+namespace v1 {
+
+Status LeanVecTrainingData::build(
+    LeanVecTrainingData** training_data,
+    size_t dim,
+    size_t n,
+    const float* x,
+    size_t n_train,
+    const float* q,
+    size_t leanvec_dims
+) noexcept {
+    return runtime_error_wrapper([&] {
+        const auto data = svs::data::ConstSimpleDataView<float>(x, n, dim);
+        if (!q) {
+            // ID training
+            *training_data =
+                new LeanVecTrainingDataManager{LeanVecTrainingDataImpl{data, leanvec_dims}};
+        } else {
+            // OOD training
+            const auto queries = svs::data::ConstSimpleDataView<float>(q, n_train, dim);
+            *training_data = new LeanVecTrainingDataManager{
+                LeanVecTrainingDataImpl{data, queries, leanvec_dims}};
+        }
+    });
+}
+
+Status
+LeanVecTrainingData::load(LeanVecTrainingData** training_data, std::istream& in) noexcept {
+    v0::LeanVecTrainingData* ptr = nullptr;
+    auto status = v0::LeanVecTrainingData::load(&ptr, in);
+    // Safe static_cast because we know the implementation (Manager) inherits v1
+    *training_data = static_cast<v1::LeanVecTrainingData*>(ptr);
+    return status;
+}
+
+} // namespace v1
+
 } // namespace runtime
 } // namespace svs
 
 #else  // SVS_LEANVEC_HEADER
 namespace svs {
 namespace runtime {
+
+namespace v0 {
 LeanVecTrainingData::~LeanVecTrainingData() = default;
+
 Status LeanVecTrainingData::build(
     LeanVecTrainingData** SVS_UNUSED(training_data),
     size_t SVS_UNUSED(dim),
@@ -69,6 +114,7 @@ Status LeanVecTrainingData::build(
         "LeanVecTrainingData is not supported in this build configuration."
     );
 }
+
 Status LeanVecTrainingData::destroy(LeanVecTrainingData* SVS_UNUSED(training_data)
 ) noexcept {
     return Status(
@@ -76,6 +122,33 @@ Status LeanVecTrainingData::destroy(LeanVecTrainingData* SVS_UNUSED(training_dat
         "LeanVecTrainingData is not supported in this build configuration."
     );
 }
+
+Status LeanVecTrainingData::load(
+    LeanVecTrainingData** SVS_UNUSED(training_data), std::istream& SVS_UNUSED(in)
+) noexcept {
+    return Status(
+        ErrorCode::NOT_IMPLEMENTED,
+        "LeanVecTrainingData is not supported in this build configuration."
+    );
+}
+} // namespace v0
+
+namespace v1 {
+Status LeanVecTrainingData::build(
+    LeanVecTrainingData** SVS_UNUSED(training_data),
+    size_t SVS_UNUSED(dim),
+    size_t SVS_UNUSED(n),
+    const float* SVS_UNUSED(x),
+    size_t SVS_UNUSED(n_train),
+    const float* SVS_UNUSED(q),
+    size_t SVS_UNUSED(leanvec_dims)
+) noexcept {
+    return Status(
+        ErrorCode::NOT_IMPLEMENTED,
+        "LeanVecTrainingData is not supported in this build configuration."
+    );
+}
+
 Status LeanVecTrainingData::load(
     LeanVecTrainingData** SVS_UNUSED(training_data), std::istream& SVS_UNUSED(in)
 ) noexcept {
@@ -84,6 +157,8 @@ Status LeanVecTrainingData::load(
         "LeanVecTrainingData is not supported in this build configuration."
     );
 }
+} // namespace v1
+
 } // namespace runtime
 } // namespace svs
 #endif // SVS_LEANVEC_HEADER
diff --git a/bindings/cpp/src/training_impl.h b/bindings/cpp/src/training_impl.h
index 14b7b41b3..d15a48473 100644
--- a/bindings/cpp/src/training_impl.h
+++ b/bindings/cpp/src/training_impl.h
@@ -45,6 +45,14 @@ struct LeanVecTrainingDataImpl {
         : leanvec_dims_{leanvec_dims}
         , leanvec_matrices_{compute_leanvec_matrices(data, leanvec_dims)} {}
 
+    LeanVecTrainingDataImpl(
+        const svs::data::ConstSimpleDataView<float>& data,
+        const svs::data::ConstSimpleDataView<float>& queries,
+        size_t leanvec_dims
+    )
+        : leanvec_dims_{leanvec_dims}
+        , leanvec_matrices_{compute_leanvec_matrices_ood(data, queries, leanvec_dims)} {}
+
     size_t get_leanvec_dims() const { return leanvec_dims_; }
     const LeanVecMatricesType& get_leanvec_matrices() const { return leanvec_matrices_; }
 
@@ -83,9 +91,19 @@ struct LeanVecTrainingDataImpl {
         // leading explicit creation of a copy of the matrix "to avoid double free".
         return LeanVecMatricesType{std::move(matrix), std::move(query_matrix)};
     }
+
+    static LeanVecMatricesType compute_leanvec_matrices_ood(
+        const svs::data::ConstSimpleDataView<float>& data,
+        const svs::data::ConstSimpleDataView<float>& queries,
+        size_t leanvec_dims
+    ) {
+        return svs::leanvec::compute_leanvec_matrices_ood<svs::Dynamic>(
+            data, queries, svs::lib::MaybeStatic{leanvec_dims}
+        );
+    }
 };
 
-struct LeanVecTrainingDataManager : public svs::runtime::LeanVecTrainingData {
+struct LeanVecTrainingDataManager : public svs::runtime::v1::LeanVecTrainingData {
     LeanVecTrainingDataManager(LeanVecTrainingDataImpl impl)
         : impl_{std::move(impl)} {}
 
diff --git a/tools/clang-format.sh b/tools/clang-format.sh
index f87a7cdde..96e2fd0db 100755
--- a/tools/clang-format.sh
+++ b/tools/clang-format.sh
@@ -16,9 +16,14 @@
 
 # Allow users to supply a custom path to `clang-format`
 CLANGFORMAT="${1:-clang-format}"
+STAGED_ONLY="${2:-false}"
 DIRECTORIES=( "bindings/python/src" "bindings/python/include" "bindings/cpp" "include" "benchmark" "tests" "utils" "examples/cpp" )
 
 for i in "${DIRECTORIES[@]}"
 do
-    find "./$i" \( -iname "*.h" -o -iname "*.cpp" \) ! -iname "*toml_impl.h" | xargs "$CLANGFORMAT" -i
+    if [[ "$STAGED_ONLY" == "true" ]]; then
+        git diff --cached --name-only --diff-filter=ACM | grep -E "^$i/.*\.(h|cpp)$" | grep -v "toml_impl.h" | xargs -r "$CLANGFORMAT" -i
+    else
+        find "./$i" \( -iname "*.h" -o -iname "*.cpp" \) ! -iname "*toml_impl.h" -print0 | xargs -n1 -0 "$CLANGFORMAT" -i
+    fi
 done