diff --git a/components/bt/esp_ble_mesh/common/include/mesh/queue.h b/components/bt/esp_ble_mesh/common/include/mesh/queue.h
index 8ec7a5c678..021c99ba67 100644
--- a/components/bt/esp_ble_mesh/common/include/mesh/queue.h
+++ b/components/bt/esp_ble_mesh/common/include/mesh/queue.h
@@ -23,7 +23,7 @@ typedef struct {
 #endif
 } bt_mesh_queue_t;
 
-int bt_mesh_queue_init(bt_mesh_queue_t *queue, uint8_t queue_size, uint8_t item_size);
+int bt_mesh_queue_init(bt_mesh_queue_t *queue, uint16_t queue_size, uint8_t item_size);
 int bt_mesh_queue_deinit(bt_mesh_queue_t *queue);
 
 #ifdef __cplusplus
diff --git a/components/bt/esp_ble_mesh/common/queue.c b/components/bt/esp_ble_mesh/common/queue.c
index 3f44843ca1..1fc3d66a61 100644
--- a/components/bt/esp_ble_mesh/common/queue.c
+++ b/components/bt/esp_ble_mesh/common/queue.c
@@ -7,7 +7,7 @@
 #include "mesh/common.h"
 #include "mesh/queue.h"
 
-int bt_mesh_queue_init(bt_mesh_queue_t *queue, uint8_t queue_size, uint8_t item_size)
+int bt_mesh_queue_init(bt_mesh_queue_t *queue, uint16_t queue_size, uint8_t item_size)
 {
     __ASSERT(queue && queue_size && item_size, "Invalid queue init parameters");
 
diff --git a/components/bt/esp_ble_mesh/core/ext_adv.c b/components/bt/esp_ble_mesh/core/ext_adv.c
index 3a2e4af2d0..fecfe30c3b 100644
--- a/components/bt/esp_ble_mesh/core/ext_adv.c
+++ b/components/bt/esp_ble_mesh/core/ext_adv.c
@@ -65,6 +65,9 @@ static inline int adv_send(struct bt_mesh_adv_inst *inst, uint16_t *adv_duration
     switch (BLE_MESH_ADV(buf)->type) {
     case BLE_MESH_ADV_PROV:
     case BLE_MESH_ADV_DATA:
+#if CONFIG_BLE_MESH_FRIEND
+    case BLE_MESH_ADV_FRIEND:
+#endif
 #if CONFIG_BLE_MESH_RELAY_ADV_BUF
     case BLE_MESH_ADV_RELAY_DATA:
 #endif
diff --git a/components/bt/esp_ble_mesh/lib/ext.c b/components/bt/esp_ble_mesh/lib/ext.c
index bac25f9820..b09e152c13 100644
--- a/components/bt/esp_ble_mesh/lib/ext.c
+++ b/components/bt/esp_ble_mesh/lib/ext.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -81,6 +81,22 @@
 #define RPL(a)          ((struct bt_mesh_rpl *)(a))
 #define VOID(a)         ((void *)(a))
 
+/* Declare Lib Variables */
+uint8_t __meshlib_var_BLE_MESH_ADV_PROV = BLE_MESH_ADV_PROV;
+uint8_t __meshlib_var_BLE_MESH_ADV_DATA = BLE_MESH_ADV_DATA;
+#if CONFIG_BLE_MESH_FRIEND
+uint8_t __meshlib_var_BLE_MESH_ADV_FRIEND = BLE_MESH_ADV_FRIEND;
+#endif
+#if CONFIG_BLE_MESH_RELAY_ADV_BUF
+uint8_t __meshlib_var_BLE_MESH_ADV_RELAY_DATA = BLE_MESH_ADV_RELAY_DATA;
+#endif
+uint8_t __meshlib_var_BLE_MESH_ADV_BEACON = BLE_MESH_ADV_BEACON;
+uint8_t __meshlib_var_BLE_MESH_ADV_URI = BLE_MESH_ADV_URI;
+#if CONFIG_BLE_MESH_SUPPORT_BLE_ADV
+uint8_t __meshlib_var_BLE_MESH_ADV_BLE = BLE_MESH_ADV_BLE;
+#endif
+uint8_t __meshlib_var_BLE_MESH_ADV_TYPES_NUM = BLE_MESH_ADV_TYPES_NUM;
+
 /* Sys utilities */
 void bt_mesh_ext_put_be16(uint16_t val, uint8_t dst[2])
 {
@@ -3989,6 +4005,7 @@ void bt_mesh_ext_mbt_server_cb_evt_to_btc(uint8_t event, void *model, void *ctx)
 typedef struct {
     uint64_t config_ble_mesh_stack_trace_level : 3;
 
+    uint64_t config_ble_mesh_use_ble_50: 1;
     uint64_t config_ble_mesh_use_duplicate_scan : 1;
     uint64_t config_ble_mesh_pb_adv : 1;
     uint64_t config_ble_mesh_pb_gatt : 1;
@@ -4154,6 +4171,7 @@ typedef struct {
 static const bt_mesh_ext_config_t bt_mesh_ext_cfg = {
     .config_ble_mesh_stack_trace_level              = BLE_MESH_LOG_LEVEL,
 
+    .config_ble_mesh_use_ble_50                     = IS_ENABLED(CONFIG_BLE_MESH_USE_BLE_50),
     .config_ble_mesh_use_duplicate_scan             = IS_ENABLED(CONFIG_BLE_MESH_USE_DUPLICATE_SCAN),
     .config_ble_mesh_pb_adv                         = IS_ENABLED(CONFIG_BLE_MESH_PB_ADV),
     .config_ble_mesh_pb_gatt                        = IS_ENABLED(CONFIG_BLE_MESH_PB_GATT),
diff --git a/components/bt/esp_ble_mesh/lib/lib b/components/bt/esp_ble_mesh/lib/lib
index 47ee1359cd..480089db59 160000
--- a/components/bt/esp_ble_mesh/lib/lib
+++ b/components/bt/esp_ble_mesh/lib/lib
@@ -1 +1 @@
-Subproject commit 47ee1359cd6fc9c20704c7f796baefdd0cba9dae
+Subproject commit 480089db598967048121942a12dc0ff24807d2ee