diff --git a/components/arduino_tinyusb/Kconfig.projbuild b/components/arduino_tinyusb/Kconfig.projbuild
index 65d9c37be..f0a1b4dc6 100755
--- a/components/arduino_tinyusb/Kconfig.projbuild
+++ b/components/arduino_tinyusb/Kconfig.projbuild
@@ -42,6 +42,14 @@ menu "Arduino TinyUSB"
             help
                 CDC FIFO size of TX
 
+        config TINYUSB_CDC_MAX_PORTS
+            int "Maximum enabled CDC ports"
+            range 1 2
+            default 1
+            depends on TINYUSB_CDC_ENABLED
+            help
+                Maximum enabled CDC ports
+
     endmenu
 
     menu "Mass Storage (MSC) driver"
diff --git a/components/arduino_tinyusb/include/tusb_config.h b/components/arduino_tinyusb/include/tusb_config.h
index 458c78cf1..7802bea8f 100755
--- a/components/arduino_tinyusb/include/tusb_config.h
+++ b/components/arduino_tinyusb/include/tusb_config.h
@@ -115,7 +115,11 @@ extern "C" {
 #define CFG_TUD_ENDOINT0_SIZE 		64
 
 // Enabled Drivers
-#define CFG_TUD_CDC 				CONFIG_TINYUSB_CDC_ENABLED
+#ifdef CONFIG_TINYUSB_CDC_MAX_PORTS
+#define CFG_TUD_CDC 				CONFIG_TINYUSB_CDC_MAX_PORTS
+#else
+#define CFG_TUD_CDC 				0
+#endif
 #define CFG_TUD_MSC 				CONFIG_TINYUSB_MSC_ENABLED
 #define CFG_TUD_HID 				CONFIG_TINYUSB_HID_ENABLED
 #define CFG_TUD_MIDI 				CONFIG_TINYUSB_MIDI_ENABLED
diff --git a/components/arduino_tinyusb/patches/dcd_dwc2.patch b/components/arduino_tinyusb/patches/dcd_dwc2.patch
index 11c1c05c0..2521a38e5 100755
--- a/components/arduino_tinyusb/patches/dcd_dwc2.patch
+++ b/components/arduino_tinyusb/patches/dcd_dwc2.patch
@@ -19,11 +19,11 @@
    dwc2_regs_t* dwc2 = DWC2_REG(rhport);
    const uint8_t epnum = tu_edpt_number(p_endpoint_desc->bEndpointAddress);
 @@ -266,7 +277,18 @@
-     depctl.bm.set_data0_iso_even = 1;
+     depctl.set_data0_iso_even = 1;
    }
    if (dir == TUSB_DIR_IN) {
--    depctl.bm.tx_fifo_num = epnum;
-+    //depctl.bm.tx_fifo_num = epnum;
+-    depctl.tx_fifo_num = epnum;
++    //depctl.tx_fifo_num = epnum;
 +    uint8_t fifo_num = epnum;
 +#if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
 +    // Special Case for EP5, which is used by CDC but not actually called by the driver
@@ -34,7 +34,7 @@
 +      fifo_num = get_free_fifo();
 +    }
 +#endif
-+    depctl.bm.tx_fifo_num = fifo_num;
++    depctl.tx_fifo_num = fifo_num;
    }
  
    dwc2_dep_t* dep = &dwc2->ep[dir == TUSB_DIR_IN ? 0 : 1][epnum];
@@ -56,9 +56,9 @@
 +#if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
 +    _allocated_fifos = 1;
 +#endif
+
+     usbd_spin_lock(true);
      handle_bus_reset(rhport);
-   }
- 
 @@ -1008,7 +1037,11 @@
  
    if (gintsts & GINTSTS_USBSUSP) {
diff --git a/components/arduino_tinyusb/src/dcd_dwc2.c b/components/arduino_tinyusb/src/dcd_dwc2.c
index d6796641a..b6c3b1b22 100644
--- a/components/arduino_tinyusb/src/dcd_dwc2.c
+++ b/components/arduino_tinyusb/src/dcd_dwc2.c
@@ -39,14 +39,9 @@
 #define DWC2_DEBUG    2
 
 #include "device/dcd.h"
+#include "device/usbd_pvt.h"
 #include "dwc2_common.h"
 
-#if TU_CHECK_MCU(OPT_MCU_GD32VF103)
-  #define DWC2_EP_COUNT(_dwc2)   DWC2_EP_MAX
-#else
-  #define DWC2_EP_COUNT(_dwc2)  ((_dwc2)->ghwcfg2_bm.num_dev_ep + 1)
-#endif
-
 //--------------------------------------------------------------------+
 // MACRO TYPEDEF CONSTANT ENUM
 //--------------------------------------------------------------------+
@@ -58,6 +53,7 @@ typedef struct {
   uint8_t interval;
 } xfer_ctl_t;
 
+// This variable is modified from ISR context, so it must be protected by critical section
 static xfer_ctl_t xfer_status[DWC2_EP_MAX][2];
 #define XFER_CTL_BASE(_ep, _dir) (&xfer_status[_ep][_dir])
 
@@ -79,6 +75,16 @@ CFG_TUD_MEM_SECTION static struct {
   TUD_EPBUF_DEF(setup_packet, 8);
 } _dcd_usbbuf;
 
+TU_ATTR_ALWAYS_INLINE static inline uint8_t dwc2_ep_count(const dwc2_regs_t* dwc2) {
+  #if TU_CHECK_MCU(OPT_MCU_GD32VF103)
+  return DWC2_EP_MAX;
+  #else
+  const dwc2_ghwcfg2_t ghwcfg2 = {.value = dwc2->ghwcfg2};
+  return ghwcfg2.num_dev_ep + 1;
+  #endif
+}
+
+
 //--------------------------------------------------------------------
 // DMA
 //--------------------------------------------------------------------
@@ -102,7 +108,8 @@ bool dcd_dcache_clean_invalidate(const void* addr, uint32_t data_size) {
 TU_ATTR_ALWAYS_INLINE static inline bool dma_device_enabled(const dwc2_regs_t* dwc2) {
   (void) dwc2;
   // Internal DMA only
-  return CFG_TUD_DWC2_DMA_ENABLE && dwc2->ghwcfg2_bm.arch == GHWCFG2_ARCH_INTERNAL_DMA;
+  const dwc2_ghwcfg2_t ghwcfg2 = {.value = dwc2->ghwcfg2};
+  return CFG_TUD_DWC2_DMA_ENABLE && ghwcfg2.arch == GHWCFG2_ARCH_INTERNAL_DMA;
 }
 
 static void dma_setup_prepare(uint8_t rhport) {
@@ -261,20 +268,15 @@ static void edpt_activate(uint8_t rhport, const tusb_desc_endpoint_t* p_endpoint
   xfer->interval = p_endpoint_desc->bInterval;
 
   // Endpoint control
-  union {
-    uint32_t value;
-    dwc2_depctl_t bm;
-  } depctl;
-  depctl.value = 0;
-
-  depctl.bm.mps = xfer->max_size;
-  depctl.bm.active = 1;
-  depctl.bm.type = p_endpoint_desc->bmAttributes.xfer;
+  dwc2_depctl_t depctl = {.value = 0};
+  depctl.mps = xfer->max_size;
+  depctl.active = 1;
+  depctl.type = p_endpoint_desc->bmAttributes.xfer;
   if (p_endpoint_desc->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS) {
-    depctl.bm.set_data0_iso_even = 1;
+    depctl.set_data0_iso_even = 1;
   }
   if (dir == TUSB_DIR_IN) {
-    //depctl.bm.tx_fifo_num = epnum;
+    //depctl.tx_fifo_num = epnum;
     uint8_t fifo_num = epnum;
 #if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
     // Special Case for EP5, which is used by CDC but not actually called by the driver
@@ -285,7 +287,7 @@ static void edpt_activate(uint8_t rhport, const tusb_desc_endpoint_t* p_endpoint
       fifo_num = get_free_fifo();
     }
 #endif
-    depctl.bm.tx_fifo_num = fifo_num;
+    depctl.tx_fifo_num = fifo_num;
   }
 
   dwc2_dep_t* dep = &dwc2->ep[dir == TUSB_DIR_IN ? 0 : 1][epnum];
@@ -343,6 +345,9 @@ static void edpt_disable(uint8_t rhport, uint8_t ep_addr, bool stall) {
   }
 }
 
+// Since this function returns void, it is not possible to return a boolean success message
+// We must make sure that this function is not called when the EP is disabled
+// Must be called from critical section
 static void edpt_schedule_packets(uint8_t rhport, const uint8_t epnum, const uint8_t dir) {
   dwc2_regs_t* dwc2 = DWC2_REG(rhport);
   xfer_ctl_t* const xfer = XFER_CTL_BASE(epnum, dir);
@@ -365,31 +370,22 @@ static void edpt_schedule_packets(uint8_t rhport, const uint8_t epnum, const uin
   }
 
   // transfer size: A full OUT transfer (multiple packets, possibly) triggers XFRC.
-  union {
-    uint32_t value;
-    dwc2_ep_tsize_t bm;
-  } deptsiz;
-  deptsiz.value = 0;
-  deptsiz.bm.xfer_size =  total_bytes;
-  deptsiz.bm.packet_count = num_packets;
-
+  dwc2_ep_tsize_t deptsiz = {.value = 0};
+  deptsiz.xfer_size = total_bytes;
+  deptsiz.packet_count = num_packets;
   dep->tsiz = deptsiz.value;
 
   // control
-  union {
-    dwc2_depctl_t bm;
-    uint32_t value;
-  } depctl;
-  depctl.value = dep->ctl;
-
-  depctl.bm.clear_nak = 1;
-  depctl.bm.enable = 1;
-  if (depctl.bm.type == DEPCTL_EPTYPE_ISOCHRONOUS && xfer->interval == 1) {
-    const uint32_t odd_now = (dwc2->dsts_bm.frame_number & 1u);
+  dwc2_depctl_t depctl = {.value = dep->ctl};
+  depctl.clear_nak = 1;
+  depctl.enable = 1;
+  if (depctl.type == DEPCTL_EPTYPE_ISOCHRONOUS && xfer->interval == 1) {
+    const dwc2_dsts_t dsts = {.value = dwc2->dsts};
+    const uint32_t odd_now = dsts.frame_number & 1u;
     if (odd_now) {
-      depctl.bm.set_data0_iso_even = 1;
+      depctl.set_data0_iso_even = 1;
     } else {
-      depctl.bm.set_data1_iso_odd = 1;
+      depctl.set_data1_iso_odd = 1;
     }
   }
 
@@ -432,7 +428,8 @@ bool dcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) {
 
     // XCVRDLY: transceiver delay between xcvr_sel and txvalid during device chirp is required
     // when using with some PHYs such as USB334x (USB3341, USB3343, USB3346, USB3347)
-    if (dwc2->ghwcfg2_bm.hs_phy_type == GHWCFG2_HSPHY_ULPI) {
+    const dwc2_ghwcfg2_t ghwcfg2 = {.value = dwc2->ghwcfg2};
+    if (ghwcfg2.hs_phy_type == GHWCFG2_HSPHY_ULPI) {
       dcfg |= DCFG_XCVRDLY;
     }
   } else {
@@ -561,6 +558,8 @@ void dcd_edpt_close_all(uint8_t rhport) {
   dwc2_regs_t* dwc2 = DWC2_REG(rhport);
   uint8_t const ep_count = _dwc2_controller[rhport].ep_count;
 
+  usbd_spin_lock(false);
+
   _dcd_data.allocated_epin_count = 0;
 
   // Disable non-control interrupt
@@ -582,8 +581,9 @@ void dcd_edpt_close_all(uint8_t rhport) {
 
   dfifo_flush_tx(dwc2, 0x10); // all tx fifo
   dfifo_flush_rx(dwc2);
-
   dfifo_device_init(rhport); // re-init dfifo
+
+  usbd_spin_unlock(false);
 }
 
 bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size) {
@@ -601,21 +601,31 @@ bool dcd_edpt_iso_activate(uint8_t rhport,  tusb_desc_endpoint_t const * p_endpo
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes) {
   uint8_t const epnum = tu_edpt_number(ep_addr);
   uint8_t const dir = tu_edpt_dir(ep_addr);
-
   xfer_ctl_t* xfer = XFER_CTL_BASE(epnum, dir);
-  xfer->buffer = buffer;
-  xfer->ff = NULL;
-  xfer->total_len = total_bytes;
+  bool ret;
 
-  // EP0 can only handle one packet
-  if (epnum == 0) {
-    _dcd_data.ep0_pending[dir] = total_bytes;
+  usbd_spin_lock(false);
+
+  if (xfer->max_size == 0) {
+    ret = false;  // Endpoint is closed
+  } else {
+    xfer->buffer = buffer;
+    xfer->ff = NULL;
+    xfer->total_len = total_bytes;
+
+    // EP0 can only handle one packet
+    if (epnum == 0) {
+      _dcd_data.ep0_pending[dir] = total_bytes;
+    }
+
+    // Schedule packets to be sent within interrupt
+    edpt_schedule_packets(rhport, epnum, dir);
+    ret = true;
   }
 
-  // Schedule packets to be sent within interrupt
-  edpt_schedule_packets(rhport, epnum, dir);
+  usbd_spin_unlock(false);
 
-  return true;
+  return ret;
 }
 
 // The number of bytes has to be given explicitly to allow more flexible control of how many
@@ -628,17 +638,27 @@ bool dcd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t* ff, uint16_t
 
   uint8_t const epnum = tu_edpt_number(ep_addr);
   uint8_t const dir = tu_edpt_dir(ep_addr);
-
   xfer_ctl_t* xfer = XFER_CTL_BASE(epnum, dir);
-  xfer->buffer = NULL;
-  xfer->ff = ff;
-  xfer->total_len = total_bytes;
+  bool ret;
 
-  // Schedule packets to be sent within interrupt
-  // TODO xfer fifo may only available for slave mode
-  edpt_schedule_packets(rhport, epnum, dir);
+  usbd_spin_lock(false);
 
-  return true;
+  if (xfer->max_size == 0) {
+    ret = false;  // Endpoint is closed
+  } else {
+    xfer->buffer = NULL;
+    xfer->ff = ff;
+    xfer->total_len = total_bytes;
+
+    // Schedule packets to be sent within interrupt
+    // TODO xfer fifo may only available for slave mode
+    edpt_schedule_packets(rhport, epnum, dir);
+    ret = true;
+  }
+
+  usbd_spin_unlock(false);
+
+  return ret;
 }
 
 void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr) {
@@ -665,9 +685,10 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr) {
 //--------------------------------------------------------------------
 
 // 7.4.1 Initialization on USB Reset
+// Must be called from critical section
 static void handle_bus_reset(uint8_t rhport) {
   dwc2_regs_t *dwc2 = DWC2_REG(rhport);
-  const uint8_t ep_count =  DWC2_EP_COUNT(dwc2);
+  const uint8_t ep_count =  dwc2_ep_count(dwc2);
 
   tu_memclr(xfer_status, sizeof(xfer_status));
 
@@ -697,7 +718,9 @@ static void handle_bus_reset(uint8_t rhport) {
   dfifo_device_init(rhport);
 
   // 5. Reset device address
-  dwc2->dcfg_bm.address = 0;
+  dwc2_dcfg_t dcfg = {.value = dwc2->dcfg};
+  dcfg.address = 0;
+  dwc2->dcfg = dcfg.value;
 
   // Fixed both control EP0 size to 64 bytes
   dwc2->epin[0].ctl &= ~(0x03 << DIEPCTL_MPSIZ_Pos);
@@ -717,8 +740,9 @@ static void handle_bus_reset(uint8_t rhport) {
 
 static void handle_enum_done(uint8_t rhport) {
   dwc2_regs_t *dwc2 = DWC2_REG(rhport);
+  const dwc2_dsts_t dsts = {.value = dwc2->dsts};
   tusb_speed_t speed;
-  switch (dwc2->dsts_bm.enum_speed) {
+  switch (dsts.enum_speed) {
     case DCFG_SPEED_HIGH:
       speed = TUSB_SPEED_HIGH;
     break;
@@ -763,12 +787,12 @@ static void handle_rxflvl_irq(uint8_t rhport) {
   const volatile uint32_t* rx_fifo = dwc2->fifo[0];
 
   // Pop control word off FIFO
-  const dwc2_grxstsp_t grxstsp_bm = dwc2->grxstsp_bm;
-  const uint8_t epnum = grxstsp_bm.ep_ch_num;
+  const dwc2_grxstsp_t grxstsp = {.value = dwc2->grxstsp};
+  const uint8_t epnum = grxstsp.ep_ch_num;
 
   dwc2_dep_t* epout = &dwc2->epout[epnum];
 
-  switch (grxstsp_bm.packet_status) {
+  switch (grxstsp.packet_status) {
     case GRXSTS_PKTSTS_GLOBAL_OUT_NAK:
       // Global OUT NAK: do nothing
       break;
@@ -790,7 +814,7 @@ static void handle_rxflvl_irq(uint8_t rhport) {
 
     case GRXSTS_PKTSTS_RX_DATA: {
       // Out packet received
-      const uint16_t byte_count = grxstsp_bm.byte_count;
+      const uint16_t byte_count = grxstsp.byte_count;
       xfer_ctl_t* xfer = XFER_CTL_BASE(epnum, TUSB_DIR_OUT);
 
       if (byte_count) {
@@ -804,7 +828,8 @@ static void handle_rxflvl_irq(uint8_t rhport) {
 
         // short packet, minus remaining bytes (xfer_size)
         if (byte_count < xfer->max_size) {
-          xfer->total_len -= epout->tsiz_bm.xfer_size;
+          const dwc2_ep_tsize_t tsiz = {.value = epout->tsiz};
+          xfer->total_len -= tsiz.xfer_size;
           if (epnum == 0) {
             xfer->total_len -= _dcd_data.ep0_pending[TUSB_DIR_OUT];
             _dcd_data.ep0_pending[TUSB_DIR_OUT] = 0;
@@ -866,11 +891,13 @@ static void handle_epin_slave(uint8_t rhport, uint8_t epnum, dwc2_diepint_t diep
   // - 64 bytes or
   // - Half/Empty of TX FIFO size (configured by GAHBCFG.TXFELVL)
   if (diepint_bm.txfifo_empty && (dwc2->diepempmsk & (1 << epnum))) {
-    const uint16_t remain_packets = epin->tsiz_bm.packet_count;
+    dwc2_ep_tsize_t tsiz = {.value = epin->tsiz};
+    const uint16_t remain_packets = tsiz.packet_count;
 
     // Process every single packet (only whole packets can be written to fifo)
     for (uint16_t i = 0; i < remain_packets; i++) {
-      const uint16_t remain_bytes = (uint16_t) epin->tsiz_bm.xfer_size;
+      tsiz.value = epin->tsiz;
+      const uint16_t remain_bytes = (uint16_t) tsiz.xfer_size;
       const uint16_t xact_bytes = tu_min16(remain_bytes, xfer->max_size);
 
       // Check if dtxfsts has enough space available
@@ -889,7 +916,8 @@ static void handle_epin_slave(uint8_t rhport, uint8_t epnum, dwc2_diepint_t diep
     }
 
     // Turn off TXFE if all bytes are written.
-    if (epin->tsiz_bm.xfer_size == 0) {
+    tsiz.value = epin->tsiz;
+    if (tsiz.xfer_size == 0) {
       dwc2->diepempmsk &= ~(1 << epnum);
     }
   }
@@ -920,7 +948,8 @@ static void handle_epout_dma(uint8_t rhport, uint8_t epnum, dwc2_doepint_t doepi
         xfer_ctl_t* xfer = XFER_CTL_BASE(epnum, TUSB_DIR_OUT);
 
         // determine actual received bytes
-        const uint16_t remain = epout->tsiz_bm.xfer_size;
+        const dwc2_ep_tsize_t tsiz = {.value = epout->tsiz};
+        const uint16_t remain = tsiz.xfer_size;
         xfer->total_len -= remain;
 
         // this is ZLP, so prepare EP0 for next setup
@@ -956,7 +985,7 @@ static void handle_epin_dma(uint8_t rhport, uint8_t epnum, dwc2_diepint_t diepin
 static void handle_ep_irq(uint8_t rhport, uint8_t dir) {
   dwc2_regs_t* dwc2 = DWC2_REG(rhport);
   const bool is_dma = dma_device_enabled(dwc2);
-  const uint8_t ep_count = DWC2_EP_COUNT(dwc2);
+  const uint8_t ep_count = dwc2_ep_count(dwc2);
   const uint8_t daint_offset = (dir == TUSB_DIR_IN) ? DAINT_IEPINT_Pos : DAINT_OEPINT_Pos;
   dwc2_dep_t* ep_base = &dwc2->ep[dir == TUSB_DIR_IN ? 0 : 1][0];
 
@@ -1009,7 +1038,6 @@ static void handle_ep_irq(uint8_t rhport, uint8_t dir) {
  */
 void dcd_int_handler(uint8_t rhport) {
   dwc2_regs_t* dwc2 = DWC2_REG(rhport);
-
   const uint32_t gintmask = dwc2->gintmsk;
   const uint32_t gintsts = dwc2->gintsts & gintmask;
 
@@ -1019,7 +1047,10 @@ void dcd_int_handler(uint8_t rhport) {
 #if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
     _allocated_fifos = 1;
 #endif
+
+    usbd_spin_lock(true);
     handle_bus_reset(rhport);
+    usbd_spin_unlock(true);
   }
 
   if (gintsts & GINTSTS_ENUMDNE) {
diff --git a/configs/builds.json b/configs/builds.json
index 5ec2470cc..026c8d23b 100644
--- a/configs/builds.json
+++ b/configs/builds.json
@@ -36,6 +36,12 @@
 			"out":"lib/libesp_hw_support.a",
 			"targets":["esp32s3"]
 		},
+		{
+			"file":"libesp_lcd.a",
+			"src":"build/esp-idf/esp_lcd/libesp_lcd.a",
+			"out":"lib/libesp_lcd.a",
+			"targets":["esp32s3"]
+		},
 		{
 			"file":"sections.ld",
 			"src":"build/esp-idf/esp_system/ld/sections.ld",
diff --git a/configs/defconfig.40m b/configs/defconfig.40m
index ffc4b5c1c..f265bd780 100644
--- a/configs/defconfig.40m
+++ b/configs/defconfig.40m
@@ -1 +1,3 @@
 CONFIG_ESPTOOLPY_FLASHFREQ_40M=y
+CONFIG_SPIRAM_SPEED_40M=y
+CONFIG_SPIRAM_SPEED=40
diff --git a/configs/defconfig.80m b/configs/defconfig.80m
index 7014fa954..2cc7bd0ef 100644
--- a/configs/defconfig.80m
+++ b/configs/defconfig.80m
@@ -1 +1,3 @@
 CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+CONFIG_SPIRAM_SPEED_80M=y
+CONFIG_SPIRAM_SPEED=80
diff --git a/configs/defconfig.common b/configs/defconfig.common
index ba567d3fc..ae30e71f4 100644
--- a/configs/defconfig.common
+++ b/configs/defconfig.common
@@ -38,6 +38,7 @@ CONFIG_ESP_IPC_TASK_STACK_SIZE=1024
 CONFIG_ESP_MAIN_TASK_STACK_SIZE=4096
 CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
 CONFIG_ESP_TASK_WDT_PANIC=y
+# CONFIG_ESP_SYSTEM_HW_STACK_GUARD is not set
 CONFIG_ESP_TIMER_TASK_STACK_SIZE=4096
 CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
 CONFIG_ESPTOOLPY_HEADER_FLASHSIZE_UPDATE=y
@@ -77,7 +78,7 @@ CONFIG_FREERTOS_IDLE_TASK_STACKSIZE=2304
 CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
 CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
 CONFIG_HAL_ASSERTION_DISABLE=y
-CONFIG_HEAP_POISONING_LIGHT=y
+CONFIG_HEAP_POISONING_DISABLED=y
 CONFIG_HTTPD_MAX_REQ_HDR_LEN=1024
 CONFIG_HTTPD_WS_SUPPORT=y
 CONFIG_LOG_DEFAULT_LEVEL_NONE=y
@@ -157,7 +158,7 @@ CONFIG_MBEDTLS_ROM_MD5=y
 CONFIG_MBEDTLS_HARDWARE_ECC=y
 CONFIG_MBEDTLS_HARDWARE_AES=y
 CONFIG_MBEDTLS_HARDWARE_MPI=y
-CONFIG_MBEDTLS_HARDWARE_SHA=y
+# CONFIG_MBEDTLS_HARDWARE_SHA is not set
 # CONFIG_MBEDTLS_ECC_OTHER_CURVES_SOFT_FALLBACK is not set
 # CONFIG_MBEDTLS_HAVE_TIME is not set
 # CONFIG_MBEDTLS_ECDSA_DETERMINISTIC is not set
@@ -177,6 +178,8 @@ CONFIG_MBEDTLS_ECP_C=y
 CONFIG_MBEDTLS_ECDH_C=y
 CONFIG_MBEDTLS_ECDSA_C=y
 CONFIG_MBEDTLS_ECP_DP_SECP256R1_ENABLED=y
+# CONFIG_MBEDTLS_SHA1_C is not set
+# CONFIG_MBEDTLS_SHA1_ALT is not set
 # CONFIG_MBEDTLS_DHM_C is not set
 # CONFIG_MBEDTLS_ECJPAKE_C is not set
 # CONFIG_MBEDTLS_CLIENT_SSL_SESSION_TICKETS is not set
@@ -226,6 +229,14 @@ CONFIG_LITTLEFS_MAX_PARTITIONS=2
 CONFIG_LITTLEFS_MULTIVERSION=y
 CONFIG_LITTLEFS_DISK_VERSION_2_0=y
 
+#
+# TinyUSB Config
+#
+CONFIG_TINYUSB_CDC_MAX_PORTS=2
+CONFIG_USB_HOST_HUBS_SUPPORTED=y
+CONFIG_USB_HOST_HUB_MULTI_LEVEL=y
+CONFIG_USB_HOST_HW_BUFFER_BIAS_PERIODIC_OUT=y
+
 #
 # Disable Cameras not used
 #
diff --git a/configs/defconfig.esp32 b/configs/defconfig.esp32
index 92f4dbe4e..ccd403ef6 100644
--- a/configs/defconfig.esp32
+++ b/configs/defconfig.esp32
@@ -7,7 +7,7 @@ CONFIG_BT_STACK_NO_LOG=y
 # CONFIG_BLE_MESH is not set
 CONFIG_BT_NIMBLE_ENABLED=y
 CONFIG_BT_NIMBLE_LOG_LEVEL_NONE=y
-CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=2
 # CONFIG_BT_NIMBLE_NVS_PERSIST is not set
 # CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS is not set
 # CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_2M_PHY is not set
@@ -33,7 +33,6 @@ CONFIG_ETH_USE_SPI_ETHERNET=y
 
 CONFIG_SPIRAM=y
 CONFIG_SPIRAM_OCCUPY_HSPI_HOST=y
-CONFIG_ULP_COPROC_ENABLED=y
 # CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1 is not set
 # CONFIG_UNITY_ENABLE_FLOAT is not set
 # CONFIG_UNITY_ENABLE_DOUBLE is not set
diff --git a/configs/defconfig.esp32c2 b/configs/defconfig.esp32c2
index 943a7a45f..9357c8008 100644
--- a/configs/defconfig.esp32c2
+++ b/configs/defconfig.esp32c2
@@ -12,7 +12,7 @@ CONFIG_BT_STACK_NO_LOG=y
 # CONFIG_BLE_MESH is not set
 CONFIG_BT_NIMBLE_ENABLED=y
 CONFIG_BT_NIMBLE_LOG_LEVEL_NONE=y
-CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=2
 # CONFIG_BT_NIMBLE_NVS_PERSIST is not set
 # CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS is not set
 # CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_2M_PHY is not set
diff --git a/configs/defconfig.esp32c3 b/configs/defconfig.esp32c3
index c3c5f8518..304af275e 100644
--- a/configs/defconfig.esp32c3
+++ b/configs/defconfig.esp32c3
@@ -7,7 +7,7 @@ CONFIG_BT_STACK_NO_LOG=y
 # CONFIG_BLE_MESH is not set
 CONFIG_BT_NIMBLE_ENABLED=y
 CONFIG_BT_NIMBLE_LOG_LEVEL_NONE=y
-CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=2
 # CONFIG_BT_NIMBLE_NVS_PERSIST is not set
 # CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS is not set
 # CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_2M_PHY is not set
diff --git a/configs/defconfig.esp32c6 b/configs/defconfig.esp32c6
index 06615dccd..d956f0abd 100644
--- a/configs/defconfig.esp32c6
+++ b/configs/defconfig.esp32c6
@@ -20,7 +20,7 @@ CONFIG_BT_STACK_NO_LOG=y
 # CONFIG_BLE_MESH is not set
 CONFIG_BT_NIMBLE_ENABLED=y
 CONFIG_BT_NIMBLE_LOG_LEVEL_NONE=y
-CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=2
 # CONFIG_BT_NIMBLE_NVS_PERSIST is not set
 # CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS is not set
 # CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_2M_PHY is not set
diff --git a/configs/defconfig.esp32h2 b/configs/defconfig.esp32h2
index 6d18ad8cc..bd5412692 100644
--- a/configs/defconfig.esp32h2
+++ b/configs/defconfig.esp32h2
@@ -7,7 +7,7 @@ CONFIG_BT_STACK_NO_LOG=y
 # CONFIG_BLE_MESH is not set
 CONFIG_BT_NIMBLE_ENABLED=y
 CONFIG_BT_NIMBLE_LOG_LEVEL_NONE=y
-CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=2
 # CONFIG_BT_NIMBLE_NVS_PERSIST is not set
 # CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS is not set
 # CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_2M_PHY is not set
diff --git a/configs/defconfig.esp32p4 b/configs/defconfig.esp32p4
index 94618d831..5fcdb5616 100644
--- a/configs/defconfig.esp32p4
+++ b/configs/defconfig.esp32p4
@@ -20,6 +20,10 @@ CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=3120
 CONFIG_CACHE_L2_CACHE_256KB=y
 CONFIG_CACHE_L2_CACHE_LINE_128B=y
 
+# RGB Display Optimizations
+CONFIG_LCD_RGB_ISR_IRAM_SAFE=y
+CONFIG_LCD_RGB_RESTART_IN_VSYNC=y
+
 CONFIG_SLAVE_IDF_TARGET_ESP32C6=y
 CONFIG_ESP_SDIO_BUS_WIDTH=4
 CONFIG_ESP_SDIO_CLOCK_FREQ_KHZ=40000
@@ -30,17 +34,6 @@ CONFIG_ESP_SDIO_PIN_D1=15
 CONFIG_ESP_SDIO_PIN_D2=16
 CONFIG_ESP_SDIO_PIN_D3=17
 
-#
-# Chip revision
-#
-CONFIG_ESP32P4_REV_MIN_0=y
-# CONFIG_ESP32P4_REV_MIN_1 is not set
-CONFIG_ESP32P4_REV_MIN_FULL=0
-CONFIG_ESP_REV_MIN_FULL=0
-CONFIG_ESP32P4_REV_MAX_FULL=99
-CONFIG_ESP_REV_MAX_FULL=99
-# end of Chip revision
-
 #
 # PPP
 #
diff --git a/configs/defconfig.esp32s3 b/configs/defconfig.esp32s3
index 758a1c9c4..dc98e0243 100644
--- a/configs/defconfig.esp32s3
+++ b/configs/defconfig.esp32s3
@@ -7,6 +7,8 @@ CONFIG_ULP_COPROC_RESERVE_MEM=4096
 CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y
 CONFIG_SPIRAM=y
 CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP=y
+CONFIG_ESP32S3_INSTRUCTION_CACHE_16KB=y
+CONFIG_ESP32S3_DATA_CACHE_16KB=y
 CONFIG_RTC_CLK_CAL_CYCLES=576
 CONFIG_ESP32S3_UNIVERSAL_MAC_ADDRESSES_TWO=y
 # CONFIG_ESP_SLEEP_GPIO_RESET_WORKAROUND is not set
@@ -30,7 +32,7 @@ CONFIG_BT_STACK_NO_LOG=y
 # CONFIG_BLE_MESH is not set
 CONFIG_BT_NIMBLE_ENABLED=y
 CONFIG_BT_NIMBLE_LOG_LEVEL_NONE=y
-CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=2
 # CONFIG_BT_NIMBLE_NVS_PERSIST is not set
 # CONFIG_BT_NIMBLE_CRYPTO_STACK_MBEDTLS is not set
 # CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_2M_PHY is not set
diff --git a/configs/defconfig.opi_ram b/configs/defconfig.opi_ram
index 7b94edaf9..f1f2238cd 100644
--- a/configs/defconfig.opi_ram
+++ b/configs/defconfig.opi_ram
@@ -7,5 +7,6 @@ CONFIG_GDMA_CTRL_FUNC_IN_IRAM=y
 # I2S_ISR_IRAM_SAFE has to be set!! Done in common config
 CONFIG_GDMA_ISR_IRAM_SAFE=y
 # Enable the XIP-PSRAM feature, so the ext-mem cache won't be disabled when SPI1 is operating the main flash
+CONFIG_SPIRAM_XIP_FROM_PSRAM=y
 CONFIG_SPIRAM_FETCH_INSTRUCTIONS=y
 CONFIG_SPIRAM_RODATA=y
diff --git a/configs/pio_end.txt b/configs/pio_end.txt
index f942d442d..d9b5d5467 100644
--- a/configs/pio_end.txt
+++ b/configs/pio_end.txt
@@ -1,4 +1,5 @@
         "ARDUINO_ARCH_ESP32",
+        "CHIP_HAVE_CONFIG_H",
         ("ESP32", "ESP32"),
         ("F_CPU", "$BOARD_F_CPU"),
         ("ARDUINO", 10812),
diff --git a/tools/archive-build.sh b/tools/archive-build.sh
index 139d720bf..1a999662e 100755
--- a/tools/archive-build.sh
+++ b/tools/archive-build.sh
@@ -61,7 +61,7 @@ mv arduino-esp32/ framework-arduinoespressif32/
 cd framework-arduinoespressif32/libraries
 rm -rf **/examples
 cd ../tools/esp32-arduino-libs
-rm -rf **/flags
+# rm -rf **/flags
 cd ../../../
 # If the framework is needed as tar.gz uncomment next line
 # tar --exclude=.* -zcf ../$pio_archive_path framework-arduinoespressif32/
diff --git a/tools/config.sh b/tools/config.sh
index cac07c340..17b5c13ae 100755
--- a/tools/config.sh
+++ b/tools/config.sh
@@ -11,7 +11,7 @@ fi
 
 # Arduino branch to use
 if [ -z $AR_BRANCH ]; then
-    AR_BRANCH="main"
+    AR_BRANCH="release/v3.1.x"
 fi
 
 if [ -z $IDF_TARGET ]; then
diff --git a/tools/copy-libs.sh b/tools/copy-libs.sh
index 9513e862a..573b83076 100755
--- a/tools/copy-libs.sh
+++ b/tools/copy-libs.sh
@@ -122,7 +122,7 @@ for item in "${@:2:${#@}-5}"; do
 			INCLUDES+="$item "
 		fi
 	elif [ "$prefix" = "-D" ]; then
-		if [[ "${item:2:7}" != "ARDUINO" ]] && [[ "$item" != "-DESP32=ESP32" ]]; then #skip ARDUINO defines
+		if [[ "${item:2:7}" != "ARDUINO" ]] && [[ "$item" != "-DESP32=ESP32" ]] && [[ "$item" != "-DNDEBUG" ]]; then #skip ARDUINO defines
 			DEFINES+="$item "
 		fi
 	elif [ "$prefix" = "-O" ]; then
@@ -489,7 +489,8 @@ echo "" >> "$AR_PLATFORMIO_PY"
 echo "    CPPDEFINES=[" >> "$AR_PLATFORMIO_PY"
 set -- $DEFINES
 for item; do
-	item="${item:2}" #remove -D
+        item="${item:2}" #remove -D
+        item="${item/NDEBUG}" #remove NDEBUG
 	if [[ $item == *"="* ]]; then
 		item=(${item//=/ })
 		re='^[+-]?[0-9]+([.][0-9]+)?$'
diff --git a/tools/install-esp-idf.sh b/tools/install-esp-idf.sh
index f79f5c7f9..ca0c46660 100755
--- a/tools/install-esp-idf.sh
+++ b/tools/install-esp-idf.sh
@@ -49,10 +49,24 @@ else
 fi
 
 if [ "$IDF_TAG" ]; then
+    cd $IDF_PATH
     git -C "$IDF_PATH" checkout "tags/$IDF_TAG"
+    git reset --hard "tags/$IDF_TAG"
+    git submodule update --recursive
+    git rm -r $IDF_PATH/components/wifi_provisioning
+    git rm -r $IDF_PATH/components/spiffs
+    git commit -m "delete components SPIFFS and wifi-provisioning"
+    cd -
     idf_was_installed="1"
 elif [ "$IDF_COMMIT" ]; then
+    cd $IDF_PATH
     git -C "$IDF_PATH" checkout "$IDF_COMMIT"
+    git reset --hard $IDF_COMMIT
+    git submodule update --recursive
+    git rm -r $IDF_PATH/components/wifi_provisioning
+    git rm -r $IDF_PATH/components/spiffs
+    git commit -m "delete components SPIFFS and wifi-provisioning"
+    cd -
     commit_predefined="1"
 fi
 
@@ -62,7 +76,8 @@ fi
 
 if [ ! -x $idf_was_installed ] || [ ! -x $commit_predefined ]; then
         git submodule update --recursive
-	$IDF_PATH/install.sh
+	echo "Installing ESP-IDF..."
+	$IDF_PATH/install.sh > /dev/null
 
 	# 1) Temporarily patch the ESP32-S2 I2C LL driver to keep the clock source
         # 2) Temporarily fix for mmu map and late init of psram https://github.com/espressif/arduino-esp32/issues/9936
diff --git a/tools/prepare-ci.sh b/tools/prepare-ci.sh
index 0855e8496..7e5a29f1f 100755
--- a/tools/prepare-ci.sh
+++ b/tools/prepare-ci.sh
@@ -10,7 +10,7 @@
 brew install gsed
 brew install gawk
 brew install gperf
-brew install ninja
+#brew install ninja
 brew install ccache
 python -m pip install --upgrade pip
 pip install wheel future pyelftools