Arduino Core 3.3.7

.github/workflows/examples.yml

@@ -52,21 +52,21 @@ jobs:
             example: "examples/espidf-arduino-matter-light"
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: "recursive"
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
       - name: Install uv
-        uses: astral-sh/setup-uv@v6
+        uses: astral-sh/setup-uv@v7
         with:
           version: "latest"
           enable-cache: false
       - name: Install dependencies
         run: |
-          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip
+          uv pip install --system -U https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.19.zip
           pio pkg install --global --platform file://.
       - name: git clone Tasmota and add to examples
         if: "matrix.example == 'examples/tasmota'"

FATFS_INTEGRATION.md

@@ -0,0 +1,175 @@
+# FatFS Integration for Platform-Espressif32
+
+This platform now supports FatFS as a filesystem option, analogous to the existing LittleFS integration.
+
+## Features
+
+- **Build FatFS Image**: Creates a FatFS filesystem image from a directory
+- **Upload FatFS Image**: Uploads the FatFS image to the ESP32 device
+- **Download FatFS Image**: Downloads the FatFS image from the device and extracts it
+
+## Configuration
+
+### platformio.ini
+
+```ini
+[env:myenv]
+platform = espressif32
+board = esp32dev
+framework = arduino
+
+; Select FatFS as filesystem
+board_build.filesystem = fatfs
+
+; Optional: Directory for extracted files (default: unpacked_fs)
+board_build.unpack_dir = unpacked_fs
+```
+
+### Partition Table
+
+The partition table must contain a FAT partition (Subtype 0x81):
+
+```csv
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x140000,
+app1,     app,  ota_1,   0x150000,0x140000,
+ffat,     data, fat,     0x290000,0x170000,
+```
+
+## Usage
+
+### Build FatFS Image
+
+```bash
+# Place files in data/ directory
+mkdir -p data
+echo "Hello FatFS" > data/test.txt
+
+# Build image
+pio run -t buildfs
+```
+
+### Upload FatFS Image
+
+```bash
+pio run -t uploadfs
+```
+
+### Download FatFS Image from Device
+
+```bash
+pio run -t download_fatfs
+```
+
+Files will be extracted to the configured directory (default: `unpacked_fs`).
+
+## Technical Details
+
+### Python Dependencies
+
+The integration uses the `fatfs-ng` package, which is automatically installed.
+
+### Build Process
+
+1. A RAM disk is created with the configured FAT data size (partition size minus WL overhead)
+2. The FatFS is formatted with proper parameters (2 FATs, LFN support)
+3. All files from the `data/` directory are copied
+4. The FAT image is wrapped with ESP32 Wear Leveling layer
+5. The final image is saved as a `.bin` file
+
+**Important**: The build process automatically adds the ESP32 Wear Leveling layer, which is required by the Arduino FFat library. See [WEAR_LEVELING.md](WEAR_LEVELING.md) for details.
+
+### Wear Leveling Layer
+
+ESP32's FFat library requires a wear leveling layer around the FAT filesystem. The build process automatically:
+- Reserves sectors for wear leveling metadata
+- Wraps the FAT filesystem with WL_State structures
+- Calculates proper CRC32 checksums
+
+### Download Process
+
+1. The partition table is downloaded from the device
+2. The FAT partition is identified (Subtype 0x81)
+3. The filesystem image is downloaded
+4. The wear leveling layer is automatically detected and removed
+5. The FAT data is mounted and extracted
+
+## Extended Features
+
+The `pyfatfs` package includes extended features for complete directory traversal:
+
+- **Complete Directory Traversal**: `walk()`, `listdir()`, `stat()`
+- **Path Operations**: `exists()`, `isfile()`, `isdir()`
+- **File Operations**: `remove()`, `rmdir()`, `rename()`, `makedirs()`
+- **Convenience Methods**: `read_file()`, `write_file()`
+- **Bulk Operations**: `copy_tree_from()`, `copy_tree_to()`
+
+These features enable full filesystem extraction and manipulation.
+
+## Comparison: LittleFS vs FatFS
+
+| Feature | LittleFS | FatFS |
+|---------|----------|-------|
+| Wear Leveling | Yes | Yes |
+| Power-Loss Protection | Yes | Limited |
+| Compatibility | ESP-IDF specific | Standard FAT |
+| Sector Size | 4096 | 4096 |
+| Filesystem Size | Flexible | Larger |
+
+## Example Code (Arduino)
+
+```cpp
+#include <FFat.h>
+
+void setup() {
+    Serial.begin(115200);
+    
+    // Mount FatFS
+    if (!FFat.begin(true)) {
+        Serial.println("FFat Mount Failed");
+        return;
+    }
+    
+    // Read file
+    File file = FFat.open("/test.txt", "r");
+    if (file) {
+        Serial.println(file.readString());
+        file.close();
+    }
+    
+    // Write file
+    file = FFat.open("/output.txt", "w");
+    if (file) {
+        file.println("Hello from ESP32!");
+        file.close();
+    }
+}
+
+void loop() {
+    // ...
+}
+```
+
+## Troubleshooting
+
+### "No FAT filesystem partition found"
+
+- Check the partition table
+- Ensure a partition with subtype `fat` (0x81) exists
+
+### Build Errors
+
+```bash
+# Recreate Python environment
+rm -rf ~/.platformio/penv
+pio run
+```
+
+## Further Information
+
+- [FatFS Documentation](http://elm-chan.org/fsw/ff/00index_e.html)
+- [ESP-IDF FFat Documentation](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/storage/fatfs.html)
+- [fatfs-ng Repository](https://github.com/Jason2866/pyfatfs)
+- [Original fatfs-python](https://github.com/krakonos/fatfs-python)

README.md

@@ -13,7 +13,7 @@ Espressif Systems is a privately held, fabless semiconductor company renowned fo
 * No support for the Arduino Nora Nano board, issues needs to be solved by the community
 ## IDE Preparation
 Prerequisites:
--	Python (3.10, 3.11, 3.12, 3.13) and git is required for pioarduino to function properly.
+-	Python (3.10, 3.11, 3.12, 3.13, 3.14 not with Windows!) and git is required for pioarduino to function properly.
 
 ## Installation
 - [Download and install Microsoft Visual Studio Code](https://code.visualstudio.com/). pioarduino IDE is on top of it.
@@ -57,7 +57,7 @@ pio run -t download_fatfs # Download and extract FatFS from device
 See the [arduino-fatfs example](examples/arduino-fatfs/) for a complete working example.
 
 ### Stable Arduino
-currently espressif Arduino 3.3.6 and IDF 5.5.2+
+currently espressif Arduino 3.3.7 and IDF v5.5.2+
 
 ```ini
 [env:stable]

boards/esp32-c61-devkitc1.json

@@ -0,0 +1,36 @@
+{
+  "build": {
+    "core": "esp32", 
+    "f_cpu": "160000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "mcu": "esp32c61",
+    "variant": "esp32c61"
+  },
+  "connectivity": [
+    "bluetooth",
+    "wifi"
+  ],
+  "debug": {
+    "openocd_target": "esp32c61.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "Espressif ESP32-C61-DevKitC-1 (4 MB Flash)",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "espidf": {
+    "custom_sdkconfig": [
+      "CONFIG_IDF_TARGET=\"esp32c61\"" 
+    ]
+  },
+  "url": "https://docs.espressif.com/projects/esp-dev-kits/en/latest/esp32c61/esp32-c61-devkitc-1/user_guide.html",
+  "vendor": "Espressif"
+}

boards/esp32-p4_r3-evboard.json

@@ -0,0 +1,41 @@
+{
+  "build": {
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_USB_MODE=1",
+      "-DBOARD_HAS_PSRAM"
+    ],
+    "f_cpu": "400000000L",
+    "f_flash": "80000000L",
+    "f_psram": "200000000L",
+    "flash_mode": "qio",
+    "mcu": "esp32p4",
+    "chip_variant": "esp32p4",
+    "variant": "esp32p4"
+  },
+  "arduino": {
+    "partitions": "default_16MB.csv"
+  },
+  "connectivity": [
+    "bluetooth",
+    "openthread"
+  ],
+  "debug": {
+    "openocd_target": "esp32p4.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "Espressif ESP32-P4 Function EV Board v1.6 (rev.301)",
+  "upload": {
+    "flash_size": "16MB",
+    "maximum_ram_size": 512000,
+    "maximum_size": 16777216,
+    "require_upload_port": true,
+    "speed": 1500000
+  },
+  "url": "https://docs.espressif.com/projects/esp-dev-kits/en/latest/esp32p4/esp32-p4-function-ev-board/index.html",
+  "vendor": "Espressif"
+}

boards/yb_esp32s3_amp.json

@@ -0,0 +1,56 @@
+{
+  "build": {
+    "arduino":{
+      "partitions": "default_8MB.csv",
+      "memory_type": "qio_qspi"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_YB_ESP32S3_AMP",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1",
+      "-DBOARD_HAS_PSRAM"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [
+      [
+        "0x303A",
+        "0x1001"
+      ],
+      [
+        "0x1A86",
+        "0x55D3"
+      ]
+    ],
+    "mcu": "esp32s3",
+    "variant": "yb_esp32s3_amp"
+  },
+  "connectivity": [
+    "wifi",
+    "bluetooth"
+  ],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": [
+      "esp-builtin"
+    ],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "YelloByte YB-ESP32-S3-AMP",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 8388608,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://github.com/yellobyte/YB-ESP32-S3-AMP",
+  "vendor": "YelloByte"
+}

boards/yb_esp32s3_dac.json

@@ -0,0 +1,56 @@
+{
+  "build": {
+    "arduino":{
+      "partitions": "default_8MB.csv",
+      "memory_type": "qio_qspi"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_YB_ESP32S3_DAC",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1",
+      "-DBOARD_HAS_PSRAM"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [
+      [
+        "0x303A",
+        "0x1001"
+      ],
+      [
+        "0x1A86",
+        "0x55D3"
+      ]
+    ],
+    "mcu": "esp32s3",
+    "variant": "yb_esp32s3_dac"
+  },
+  "connectivity": [
+    "wifi",
+    "bluetooth"
+  ],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": [
+      "esp-builtin"
+    ],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "YelloByte YB-ESP32-S3-DAC",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 8388608,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://github.com/yellobyte/YB-ESP32-S3-DAC",
+  "vendor": "YelloByte"
+}

builder/frameworks/espidf.py

@@ -2067,7 +2067,7 @@ def install_python_deps():
         # https://github.com/platformio/platform-espressif32/issues/635
         "cryptography": "~=44.0.0",
         "pyparsing": ">=3.1.0,<4",
-        "idf-component-manager": "~=2.4",
+        "idf-component-manager": "~=2.4.6",
         "esp-idf-kconfig": "~=2.5.0"
     }
 

builder/penv_setup.py

@@ -44,7 +44,7 @@ PLATFORMIO_URL_VERSION_RE = re.compile(
 
 # Python dependencies required for ESP32 platform builds
 python_deps = {
-    "platformio": "https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.18.zip",
+    "platformio": "https://github.com/pioarduino/platformio-core/archive/refs/tags/v6.1.19.zip",
     "littlefs-python": ">=0.16.0",
     "fatfs-ng": ">=0.1.14",
     "pyyaml": ">=6.0.2",
@@ -219,13 +219,14 @@ def get_packages_to_install(deps, installed_packages):
                 yield package
 
 
-def install_python_deps(python_exe, external_uv_executable):
+def install_python_deps(python_exe, external_uv_executable, uv_cache_dir=None):
     """
     Ensure uv package manager is available in penv and install required Python dependencies.
     
     Args:
         python_exe: Path to Python executable in the penv
         external_uv_executable: Path to external uv executable used to create the penv (can be None)
+        uv_cache_dir: Optional path to uv cache directory
     
     Returns:
         bool: True if successful, False otherwise
@@ -234,6 +235,12 @@ def install_python_deps(python_exe, external_uv_executable):
     penv_dir = os.path.dirname(os.path.dirname(python_exe))
     penv_uv_executable = get_executable_path(penv_dir, "uv")
 
+    # Build subprocess environment with UV_CACHE_DIR if specified
+    uv_env = None
+    if uv_cache_dir:
+        uv_env = dict(os.environ)
+        uv_env["UV_CACHE_DIR"] = str(uv_cache_dir)
+    
     # Check if uv is available in the penv
     uv_in_penv_available = False
     try:
@@ -250,28 +257,21 @@ def install_python_deps(python_exe, external_uv_executable):
     # Install uv into penv if not available
     if not uv_in_penv_available:
         if external_uv_executable:
-            # Use external uv to install uv into the penv
+            # Try external uv first to install uv into the penv
             try:
                 subprocess.check_call(
                     [external_uv_executable, "pip", "install", "uv>=0.1.0", f"--python={python_exe}", "--quiet"],
                     stdout=subprocess.DEVNULL,
                     stderr=subprocess.STDOUT,
-                    timeout=300
+                    timeout=300,
+                    env=uv_env
                 )
-            except subprocess.CalledProcessError as e:
+                uv_in_penv_available = True
-                print(f"Error: uv installation failed with exit code {e.returncode}")
+            except Exception:
-                return False
+                print("Warning: uv installation via external uv failed, falling back to pip")
-            except subprocess.TimeoutExpired:
+
-                print("Error: uv installation timed out")
+        if not uv_in_penv_available:
-                return False
+            # Fallback to pip to install uv into penv
-            except FileNotFoundError:
-                print("Error: External uv executable not found")
-                return False
-            except Exception as e:
-                print(f"Error installing uv package manager into penv: {e}")
-                return False
-        else:
-            # No external uv available, use pip to install uv into penv
             try:
                 subprocess.check_call(
                     [python_exe, "-m", "pip", "install", "uv>=0.1.0", "--quiet"],
@@ -308,7 +308,8 @@ def install_python_deps(python_exe, external_uv_executable):
                 capture_output=True,
                 text=True,
                 encoding='utf-8',
-                timeout=300
+                timeout=300,
+                env=uv_env
             )
             
             if result_obj.returncode == 0:
@@ -356,7 +357,8 @@ def install_python_deps(python_exe, external_uv_executable):
                 cmd,
                 stdout=subprocess.DEVNULL,
                 stderr=subprocess.STDOUT,
-                timeout=300
+                timeout=300,
+                env=uv_env
             )
                 
         except subprocess.CalledProcessError as e:
@@ -375,7 +377,7 @@ def install_python_deps(python_exe, external_uv_executable):
     return True
 
 
-def install_esptool(env, platform, python_exe, uv_executable):
+def install_esptool(env, platform, python_exe, uv_executable, uv_cache_dir=None):
     """
     Install esptool from package folder "tool-esptoolpy" using uv package manager.
     Ensures esptool is installed from the specific tool-esptoolpy package directory.
@@ -385,6 +387,7 @@ def install_esptool(env, platform, python_exe, uv_executable):
         platform: PlatformIO platform object  
         python_exe (str): Path to Python executable in virtual environment
         uv_executable (str): Path to uv executable
+        uv_cache_dir: Optional path to uv cache directory
     
     Raises:
         SystemExit: If esptool installation fails or package directory not found
@@ -396,6 +399,12 @@ def install_esptool(env, platform, python_exe, uv_executable):
         )
         sys.exit(1)
 
+    # Build subprocess environment with UV_CACHE_DIR if specified
+    uv_env = None
+    if uv_cache_dir:
+        uv_env = dict(os.environ)
+        uv_env["UV_CACHE_DIR"] = str(uv_cache_dir)
+
     # Check if esptool is already installed from the correct path
     try:
         result = subprocess.run(
@@ -427,7 +436,7 @@ def install_esptool(env, platform, python_exe, uv_executable):
             uv_executable, "pip", "install", "--quiet", "--force-reinstall",
             f"--python={python_exe}",
             "-e", esptool_repo_path
-        ], timeout=60)
+        ], timeout=60, env=uv_env)
 
     except subprocess.CalledProcessError as e:
         sys.stderr.write(
@@ -469,6 +478,9 @@ def _setup_python_environment_core(env, platform, platformio_dir, should_install
     """
     penv_dir = str(Path(platformio_dir) / "penv")
 
+    # Determine uv cache directory inside .platformio/.cache
+    uv_cache_dir = str(Path(platformio_dir) / ".cache" / "uv")
+    
     # Create virtual environment if not present
     if env is not None:
         # SCons version
@@ -498,7 +510,7 @@ def _setup_python_environment_core(env, platform, platformio_dir, should_install
 
     # Install required Python dependencies for ESP32 platform
     if has_internet_connection() or github_actions:
-        if not install_python_deps(penv_python, used_uv_executable):
+        if not install_python_deps(penv_python, used_uv_executable, uv_cache_dir):
             sys.stderr.write("Error: Failed to install Python dependencies into penv\n")
             sys.exit(1)
     else:
@@ -508,10 +520,10 @@ def _setup_python_environment_core(env, platform, platformio_dir, should_install
     if should_install_esptool:
         if env is not None:
             # SCons version
-            install_esptool(env, platform, penv_python, uv_executable)
+            install_esptool(env, platform, penv_python, uv_executable, uv_cache_dir)
         else:
             # Minimal setup - install esptool from tool package
-            _install_esptool_from_tl_install(platform, penv_python, uv_executable)
+            _install_esptool_from_tl_install(platform, penv_python, uv_executable, uv_cache_dir)
 
     # Setup certifi environment variables
     _setup_certifi_env(env, penv_python)
@@ -582,7 +594,7 @@ def _setup_pipenv_minimal(penv_dir):
     return None
 
 
-def _install_esptool_from_tl_install(platform, python_exe, uv_executable):
+def _install_esptool_from_tl_install(platform, python_exe, uv_executable, uv_cache_dir=None):
     """
     Install esptool from tl-install provided path into penv.
     
@@ -590,6 +602,7 @@ def _install_esptool_from_tl_install(platform, python_exe, uv_executable):
         platform: PlatformIO platform object  
         python_exe (str): Path to Python executable in virtual environment
         uv_executable (str): Path to uv executable
+        uv_cache_dir: Optional path to uv cache directory
     
     Raises:
         SystemExit: If esptool installation fails or package directory not found
@@ -599,6 +612,12 @@ def _install_esptool_from_tl_install(platform, python_exe, uv_executable):
     if not esptool_repo_path or not os.path.isdir(esptool_repo_path):
         return (None, None)
 
+    # Build subprocess environment with UV_CACHE_DIR if specified
+    uv_env = None
+    if uv_cache_dir:
+        uv_env = dict(os.environ)
+        uv_env["UV_CACHE_DIR"] = str(uv_cache_dir)
+
     # Check if esptool is already installed from the correct path
     try:
         result = subprocess.run(
@@ -630,7 +649,7 @@ def _install_esptool_from_tl_install(platform, python_exe, uv_executable):
             uv_executable, "pip", "install", "--quiet", "--force-reinstall",
             f"--python={python_exe}",
             "-e", esptool_repo_path
-        ], timeout=60)
+        ], timeout=60, env=uv_env)
         print(f"Installed esptool from tl-install path: {esptool_repo_path}")
 
     except subprocess.CalledProcessError as e:

examples/espidf-blink/platformio.ini

@@ -40,7 +40,7 @@ build_flags =
 [env:esp32-p4]
 platform = espressif32
 framework = espidf
-board = esp32-p4
+board = esp32-p4_r3
 monitor_speed = 115200
 build_flags =
 	-D CONFIG_BLINK_GPIO=2

examples/espidf-ulp-lp/platformio.ini

@@ -15,4 +15,4 @@ board = esp32-c6-devkitc-1
 [env:esp32-p4]
 platform = espressif32
 framework = espidf
-board = esp32-p4
+board = esp32-p4_r3

platform.json

@@ -18,7 +18,7 @@
     "type": "git",
     "url": "https://github.com/pioarduino/platform-espressif32.git"
   },
-  "version": "55.03.36",
+  "version": "55.03.37",
   "frameworks": {
     "arduino": {
       "script": "builder/frameworks/arduino.py"
@@ -33,31 +33,31 @@
       "type": "framework",
       "optional": true,
       "owner": "espressif",
-      "version": "https://github.com/espressif/arduino-esp32/releases/download/3.3.6/esp32-core-3.3.6.tar.xz"
+      "version": "https://github.com/espressif/arduino-esp32/releases/download/3.3.7/esp32-core-3.3.7.tar.xz"
     },
     "framework-arduinoespressif32-libs": {
       "type": "framework",
       "optional": true,
       "owner": "espressif",
-      "version": "https://github.com/espressif/arduino-esp32/releases/download/3.3.6/esp32-core-3.3.6-libs.tar.xz"
+      "version": "https://github.com/espressif/arduino-esp32/releases/download/3.3.7/esp32-core-3.3.7-libs.tar.xz"
     },
     "framework-arduino-c2-skeleton-lib": {
       "type": "framework",
       "optional": true,
       "owner": "espressif",
-      "version": "https://github.com/pioarduino/platform-espressif32/releases/download/c2-skeleton/c2_366dadf354_compile_skeleton.zip"
+      "version": "https://github.com/pioarduino/platform-espressif32/releases/download/c2-skeleton/c2_87912cd291_compile_skeleton.zip"
     },
     "framework-arduino-c61-skeleton-lib": {
       "type": "framework",
       "optional": true,
       "owner": "espressif",
-      "version": "https://github.com/pioarduino/platform-espressif32/releases/download/c61-skeleton/c61_366dadf354_compile_skeleton.zip"
+      "version": "https://github.com/pioarduino/platform-espressif32/releases/download/c61-skeleton/c61_87912cd291_compile_skeleton.zip"
     },
     "framework-espidf": {
       "type": "framework",
       "optional": true,
       "owner": "pioarduino",
-      "version": "https://github.com/pioarduino/esp-idf/releases/download/v5.5.2.260116/esp-idf-v5.5.2.tar.xz"
+      "version": "https://github.com/pioarduino/esp-idf/releases/download/v5.5.2.260206/esp-idf-v5.5.2.tar.xz"
     },
     "toolchain-xtensa-esp-elf": {
       "type": "toolchain",
@@ -98,8 +98,8 @@
       "type": "uploader",
       "optional": true,
       "owner": "pioarduino",
-      "package-version": "5.1.0",
+      "package-version": "5.1.2",
-      "version": "https://github.com/pioarduino/registry/releases/download/0.0.1/esptoolpy-v5.1.0.zip"
+      "version": "https://github.com/pioarduino/registry/releases/download/0.0.1/esptoolpy-v5.1.2.zip"
     },
     "tool-esp_install": {
       "type": "tool",

platform.py

@@ -14,11 +14,19 @@
 
 # Python Version Check
 import sys
+from platformio.compat import IS_WINDOWS
 
-if not ((3, 10) <= sys.version_info < (3, 14)):
+pyver = sys.version_info
-    print("ERROR: Python version must be between 3.10 and 3.13.", file=sys.stderr)
+if IS_WINDOWS:
-    print(f"Current Python version: {sys.version_info.major}.{sys.version_info.minor}.{sys.version_info.micro}", file=sys.stderr)
+    allowed = (3, 10) <= pyver < (3, 14)
-    print("Supported versions: 3.10, 3.11, 3.12, 3.13", file=sys.stderr)
+    supported = "3.10, 3.11, 3.12, 3.13"
+else:
+    allowed = (3, 10) <= pyver < (3, 15)
+    supported = "3.10, 3.11, 3.12, 3.13, 3.14"
+if not allowed:
+    print(f"ERROR: Python version must be {supported}.", file=sys.stderr)
+    print(f"Current Python version: {pyver.major}.{pyver.minor}.{pyver.micro}", file=sys.stderr)
+    print(f"Supported versions: {supported}", file=sys.stderr)
     raise SystemExit(1)
 
 # LZMA support check
@@ -44,7 +52,6 @@ import subprocess
 from pathlib import Path
 from typing import Optional, Dict, List, Any, Union
 
-from platformio.compat import IS_WINDOWS
 from platformio.public import PlatformBase, to_unix_path
 from platformio.proc import get_pythonexe_path
 from platformio.project.config import ProjectConfig