diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 717cbbed21..f55e66eb1f 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -33,14 +33,14 @@ jobs:
           cmake ..
           make -j $(nproc)
           cd .. && rm -rf build
-      - name: Build iwasm [Classic interp]
+      - name: Build iwasm [classic interp]
         run: |
           cd product-mini/platforms/android
           mkdir build && cd build
           cmake .. -DWAMR_BUILD_FAST_INTERP=0
           make -j $(nproc)
           cd .. && rm -rf build
-      - name: Build iwasm [Multi module]
+      - name: Build iwasm [multi module]
         run: |
           cd product-mini/platforms/android
           mkdir build && cd build
@@ -89,3 +89,24 @@ jobs:
           cmake .. -DWAMR_BUILD_CUSTOM_NAME_SECTION=1
           make -j $(nproc)
           cd .. && rm -rf build
+      - name: Build iwasm [disable hardware boundary check]
+        run: |
+          cd product-mini/platforms/android
+          mkdir build && cd build
+          cmake .. -DWAMR_DISABLE_HW_BOUND_CHECK=1
+          make -j $(nproc)
+          cd .. && rm -rf build
+      - name: Build iwasm [reference types]
+        run: |
+          cd product-mini/platforms/android
+          mkdir build && cd build
+          cmake .. -DWAMR_BUILD_REF_TYPES=1
+          make -j $(nproc)
+          cd .. && rm -rf build
+      - name: Build iwasm [128-bit SIMD]
+        run: |
+          cd product-mini/platforms/android
+          mkdir build && cd build
+          cmake .. -DWAMR_BUILD_SIMD=1
+          make -j $(nproc)
+          cd .. && rm -rf build
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 6f5e5942bf..c73b3a8677 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -31,14 +31,14 @@ jobs:
         cmake ..
         make -j $(nproc)
         cd .. && rm -rf build
-    - name: Build iwasm [Classic interp]
+    - name: Build iwasm [classic interp]
       run: |
         cd product-mini/platforms/linux
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_FAST_INTERP=0
         make -j $(nproc)
         cd .. && rm -rf build
-    - name: Build iwasm [Multi module]
+    - name: Build iwasm [multi module]
       run: |
         cd product-mini/platforms/linux
         mkdir build && cd build
@@ -87,6 +87,27 @@ jobs:
         cmake .. -DWAMR_BUILD_CUSTOM_NAME_SECTION=1
         make -j $(nproc)
         cd .. && rm -rf build
+    - name: Build iwasm [disable hardware boundary check]
+      run: |
+        cd product-mini/platforms/linux
+        mkdir build && cd build
+        cmake .. -DWAMR_DISABLE_HW_BOUND_CHECK=1
+        make -j $(nproc)
+        cd .. && rm -rf build
+    - name: Build iwasm [reference types]
+      run: |
+        cd product-mini/platforms/linux
+        mkdir build && cd build
+        cmake .. -DWAMR_BUILD_REF_TYPES=1
+        make -j $(nproc)
+        cd .. && rm -rf build
+    - name: Build iwasm [128-bit SIMD]
+      run: |
+        cd product-mini/platforms/linux
+        mkdir build && cd build
+        cmake .. -DWAMR_BUILD_SIMD=1
+        make -j $(nproc)
+        cd .. && rm -rf build
     - name: Cache LLVM libraries
       uses: actions/cache@v2
       id: cache_llvm
@@ -132,7 +153,10 @@ jobs:
         ./callback_chain
         ./global
         ./hello
+        ./hostref
+        ./memory
         ./reflect
+        ./table
         ./trap
         cd .. && rm -r build
     - name: Build Sample [wasm-c-api] [Jit]
@@ -145,7 +169,10 @@ jobs:
         ./callback_chain
         ./global
         ./hello
+        ./hostref
+        ./memory
         ./reflect
+        ./table
         ./trap
         cd .. && rm -r build
     - name: Build Sample [wasm-c-api] [Aot]
@@ -158,7 +185,10 @@ jobs:
         ./callback_chain
         ./global
         ./hello
+        ./hostref
+        ./memory
         ./reflect
+        ./table
         ./trap
         cd .. && rm -r build
     - name: Build Sample [basic]
@@ -187,3 +217,10 @@ jobs:
         cmake ..
         make -j $(nproc)
         ./spawn_thread
+    - name: Build Sample [ref-types]
+      run: |
+        cd samples/ref-types
+        mkdir build && cd build
+        cmake ..
+        make -j $(nproc)
+        ./hello
diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 6c8704b2be..7422d84fc0 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -26,63 +26,84 @@ jobs:
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake ..
-        make
+        make -j $(nproc)
         cd .. && rm -rf build
-    - name: Build iwasm [Classic interp]
+    - name: Build iwasm [classic interp]
       run: |
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_FAST_INTERP=0
-        make
+        make -j $(nproc)
         cd .. && rm -rf build
-    - name: Build iwasm [Multi module]
+    - name: Build iwasm [multi module]
       run: |
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_MULTI_MODULE=1
-        make
+        make -j $(nproc)
         cd .. && rm -rf build
     - name: Build iwasm [lib-pthread]
       run: |
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_LIB_PTHREAD=1
-        make
+        make -j $(nproc)
         cd .. && rm -rf build
     - name: Build iwasm [aot only]
       run: |
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_AOT=1 -DWAMR_BUILD_INTERP=0
-        make
+        make -j $(nproc)
         cd .. && rm -rf build
     - name: Build iwasm [interp only]
       run: |
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_AOT=0
-        make
+        make -j $(nproc)
         cd .. && rm -rf build
     - name: Build iwasm [memory profiling]
       run: |
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_MEMORY_PROFILING=1
-        make
+        make -j $(nproc)
         cd .. && rm -rf build
     - name: Build iwasm [tail call]
       run: |
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_TAIL_CALL=1
-        make
+        make -j $(nproc)
         cd .. && rm -rf build
     - name: Build iwasm [custom name section]
       run: |
         cd product-mini/platforms/darwin
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_CUSTOM_NAME_SECTION=1
-        make
+        make -j $(nproc)
+        cd .. && rm -rf build
+    - name: Build iwasm [disable hardware boundary check]
+      run: |
+        cd product-mini/platforms/darwin
+        mkdir build && cd build
+        cmake .. -DWAMR_DISABLE_HW_BOUND_CHECK=1
+        make -j $(nproc)
+        cd .. && rm -rf build
+    - name: Build iwasm [ref types]
+      run: |
+        cd product-mini/platforms/darwin
+        mkdir build && cd build
+        cmake .. -DWAMR_BUILD_REF_TYPES=1
+        make -j $(nproc)
+        cd .. && rm -rf build
+    - name: Build iwasm [128-bit SIMD]
+      run: |
+        cd product-mini/platforms/darwin
+        mkdir build && cd build
+        cmake .. -DWAMR_BUILD_SIMD=1
+        make -j $(nproc)
         cd .. && rm -rf build
     - name: download and install wabt
       run: |
@@ -96,6 +117,12 @@ jobs:
         mkdir build && cd build
         cmake ..
         make
-        ./hello
-        ./global
         ./callback
+        ./callback_chain
+        ./global
+        ./hello
+        ./hostref
+        ./memory
+        ./reflect
+        ./table
+        ./trap
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 3ae374f902..b5c0eeaf7f 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -60,4 +60,25 @@ jobs:
         cmake .. -DWAMR_BUILD_CUSTOM_NAME_SECTION=1
         cmake --build . --config Release
         cd .. && rm -force -r build
+    - name: Build iwasm [disable hardware boundary check]
+      run: |
+        cd product-mini/platforms/windows
+        mkdir build && cd build
+        cmake .. -DWAMR_DISABLE_HW_BOUND_CHECK=1
+        cmake --build . --config Release
+        cd .. && rm -force -r build
+    - name: Build iwasm [reference types]
+      run: |
+        cd product-mini/platforms/windows
+        mkdir build && cd build
+        cmake .. -DWAMR_BUILD_REF_TYPES=1
+        cmake --build . --config Release
+        cd .. && rm -force -r build
+    - name: Build iwasm [128-bit SIMD]
+      run: |
+        cd product-mini/platforms/windows
+        mkdir build && cd build
+        cmake .. -DWAMR_BUILD_SIMD=1
+        cmake --build . --config Release
+        cd .. && rm -force -r build
 
diff --git a/core/iwasm/common/wasm_c_api.c b/core/iwasm/common/wasm_c_api.c
index aeab83e438..9eb457a6bd 100644
--- a/core/iwasm/common/wasm_c_api.c
+++ b/core/iwasm/common/wasm_c_api.c
@@ -130,8 +130,8 @@ failed:                                                                       \
         }                                                                     \
                                                                               \
         if (data) {                                                           \
-            unsigned int size_in_bytes = 0;                                   \
-            size_in_bytes = size * sizeof(wasm_##name##_t);                   \
+            uint32 size_in_bytes = 0;                                         \
+            size_in_bytes = (uint32)(size * sizeof(wasm_##name##_t));         \
             bh_memcpy_s(out->data, size_in_bytes, data, size_in_bytes);       \
             out->num_elems = size;                                            \
         }                                                                     \
@@ -173,8 +173,8 @@ failed:                                                                       \
         }                                                                     \
                                                                               \
         if (data) {                                                           \
-            unsigned int size_in_bytes = 0;                                   \
-            size_in_bytes = size * sizeof(wasm_##name##_t *);                 \
+            uint32 size_in_bytes = 0;                                         \
+            size_in_bytes = (uint32)(size * sizeof(wasm_##name##_t *));       \
             bh_memcpy_s(out->data, size_in_bytes, data, size_in_bytes);       \
             out->num_elems = size;                                            \
         }                                                                     \
@@ -434,12 +434,14 @@ wasm_store_delete(wasm_store_t *store)
     for (i = 0; i != store_count; ++i) {
         wasm_store_t *tmp;
 
-        if (!bh_vector_get((Vector *)singleton_engine->stores, i, &tmp)) {
+        if (!bh_vector_get((Vector *)singleton_engine->stores,
+                           (uint32)i, &tmp)) {
             break;
         }
 
         if (tmp == store) {
-            bh_vector_remove((Vector *)singleton_engine->stores, i, NULL);
+            bh_vector_remove((Vector *)singleton_engine->stores,
+                             (uint32)i, NULL);
             break;
         }
     }
@@ -1509,9 +1511,9 @@ wasm_frame_new(wasm_instance_t *instance,
     }
 
     frame->instance = instance;
-    frame->module_offset = module_offset;
+    frame->module_offset = (uint32)module_offset;
     frame->func_index = func_index;
-    frame->func_offset = func_offset;
+    frame->func_offset = (uint32)func_offset;
     return frame;
 }
 
@@ -1787,7 +1789,7 @@ wasm_foreign_new(wasm_store_t *store)
 
     foreign->store = store;
     foreign->kind = WASM_REF_foreign;
-    foreign->foreign_idx_rt = bh_vector_size(store->foreigns);
+    foreign->foreign_idx_rt = (uint32)bh_vector_size(store->foreigns);
     if (!(bh_vector_append(store->foreigns, &foreign))) {
         wasm_runtime_free(foreign);
         return NULL;
@@ -1932,10 +1934,10 @@ wasm_module_validate(wasm_store_t *store, const wasm_byte_vec_t *binary)
 
     if (!store || !binary || binary->size > UINT32_MAX) {
         LOG_ERROR("%s failed", __FUNCTION__);
-        return NULL;
+        return false;
     }
 
-    if ((module_rt = wasm_runtime_load((uint8 *)binary->data, binary->size,
+    if ((module_rt = wasm_runtime_load((uint8 *)binary->data, (uint32)binary->size,
                                        error_buf, 128))) {
         wasm_runtime_unload(module_rt);
         return true;
@@ -3415,7 +3417,7 @@ wasm_table_get(const wasm_table_t *table, wasm_table_size_t index)
     if (table->inst_comm_rt->module_type == Wasm_Module_AoT) {
         AOTModuleInstance *inst_aot = (AOTModuleInstance *)table->inst_comm_rt;
         AOTTableInstance *table_aot =
-          inst_aot->tables.ptr + table->table_idx_rt;
+          (AOTTableInstance*)inst_aot->tables.ptr + table->table_idx_rt;
         if (index >= table_aot->cur_size) {
             return NULL;
         }
@@ -3478,7 +3480,7 @@ wasm_table_set(wasm_table_t *table,
         AOTModuleInstance *inst_aot = (AOTModuleInstance *)table->inst_comm_rt;
         AOTModule *module_aot = (AOTModule *)inst_aot->aot_module.ptr;
         AOTTableInstance *table_aot =
-          inst_aot->tables.ptr + table->table_idx_rt;
+          (AOTTableInstance *)inst_aot->tables.ptr + table->table_idx_rt;
 
         if (index >= table_aot->cur_size) {
             return false;
diff --git a/core/iwasm/common/wasm_runtime_common.c b/core/iwasm/common/wasm_runtime_common.c
index 70981c634c..ee5cd3ddfd 100644
--- a/core/iwasm/common/wasm_runtime_common.c
+++ b/core/iwasm/common/wasm_runtime_common.c
@@ -4110,7 +4110,7 @@ wasm_runtime_invoke_c_api_native(WASMModuleInstanceCommon *module_inst,
             char trap_message[128] = { 0 };
             bh_memcpy_s(
               trap_message, 127, trap->message->data,
-              (trap->message->size < 127 ? trap->message->size : 127));
+              (trap->message->size < 127 ? (uint32)trap->message->size : 127));
             wasm_runtime_set_exception(module_inst, trap_message);
         }
         else {
diff --git a/samples/wasm-c-api/CMakeLists.txt b/samples/wasm-c-api/CMakeLists.txt
index f6b8d879ce..650dda2d1f 100644
--- a/samples/wasm-c-api/CMakeLists.txt
+++ b/samples/wasm-c-api/CMakeLists.txt
@@ -137,7 +137,7 @@ foreach(EX ${EXAMPLES})
   # generate .aot file
   if(${WAMR_BUILD_AOT} EQUAL 1)
     add_custom_target(${EX}_AOT
-      COMMAND ${WAMRC} -o ${PROJECT_BINARY_DIR}/${EX}.aot
+      COMMAND ${WAMRC} --enable-ref-types -o ${PROJECT_BINARY_DIR}/${EX}.aot
         ${PROJECT_BINARY_DIR}/${EX}.wasm
       DEPENDS ${EX}_WASM
       BYPRODUCTS ${PROJECT_BINARY_DIR}/${EX}.aot
diff --git a/samples/wasm-c-api/src/hostref.c b/samples/wasm-c-api/src/hostref.c
index 61ecdabcf2..a2f6035e71 100644
--- a/samples/wasm-c-api/src/hostref.c
+++ b/samples/wasm-c-api/src/hostref.c
@@ -122,7 +122,11 @@ int main(int argc, const char* argv[]) {
 
   // Load binary.
   printf("Loading binary...\n");
+#if WASM_ENABLE_AOT != 0 && WASM_ENABLE_INTERP == 0
+  FILE* file = fopen("hostref.aot", "rb");
+#else
   FILE* file = fopen("hostref.wasm", "rb");
+#endif
   if (!file) {
     printf("> Error loading module!\n");
     return 1;
diff --git a/samples/wasm-c-api/src/memory.c b/samples/wasm-c-api/src/memory.c
index 5297f65524..e73577528c 100644
--- a/samples/wasm-c-api/src/memory.c
+++ b/samples/wasm-c-api/src/memory.c
@@ -95,7 +95,11 @@ int main(int argc, const char* argv[]) {
 
   // Load binary.
   printf("Loading binary...\n");
+#if WASM_ENABLE_AOT != 0 && WASM_ENABLE_INTERP == 0
+  FILE* file = fopen("memory.aot", "rb");
+#else
   FILE* file = fopen("memory.wasm", "rb");
+#endif
   if (!file) {
     printf("> Error loading module!\n");
     return 1;
diff --git a/samples/wasm-c-api/src/table.c b/samples/wasm-c-api/src/table.c
index b9b3a8f41a..a1bc59acfb 100644
--- a/samples/wasm-c-api/src/table.c
+++ b/samples/wasm-c-api/src/table.c
@@ -77,7 +77,11 @@ int main(int argc, const char* argv[]) {
 
   // Load binary.
   printf("Loading binary...\n");
+#if WASM_ENABLE_AOT != 0 && WASM_ENABLE_INTERP == 0
+  FILE* file = fopen("table.aot", "rb");
+#else
   FILE* file = fopen("table.wasm", "rb");
+#endif
   if (!file) {
     printf("> Error loading module!\n");
     return 1;