6.9.0

Release Notes

• Added WeAct Studio ESP32C3CoreBoard board
• Added support for ESP-IDF v5.3.1 (release notes)
• Updated build command for ULP config generation
• Better handling of complex macros exported from IDF projects
• Fixed variant name for Heltec WiFi Kit 32 V3 (#1442)
• Added missing PROJECT_SOURCE_DIR argument for bootloader build command (#1460)
• Minor fixes and improvements (#1434)

Thanks @Jason2866, @DamienEspitallier, @patrickelectric for your contributions!

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 6.9.0

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.17 (based on IDF v4.4.7)
• ESP-IDF - v5.3.1

6.8.1

• Removed unnecessary debug print (#1433)

6.8.0

• New board M5Stack Core ESP32 16M
• Added support for ESP-IDF v5.3 (release notes)
• Added support for Arduino core v2.0.17 (release notes)
• Better handling of IDF package version (#1420, #1418)
• Added littlefs partition subtype (#1426)
• Enabled PSRAM by default for Adafruit Feather ESP32-S3 Reverse TFT (#1414)
• Fix maximum RAM size for ESP32-C6-DevKitC-1
• Minor fixes and improvements (#1421)

Thanks @TheMasterofBlubb, @pcorliss, @Jason2866, @gmemstr, @dariush for your contributions!

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 6.8.0

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.17 (based on IDF v4.4.7)
• ESP-IDF - v5.3.0

6.7.0

Release Notes

• New boards: ESP32-S3 PowerFeather, MotorGo Mini 1, senseBox MCU-S2
• Added support for Arduino v2.0.16 (release notes)
• Updated toolchain packages for IDF integration to v13.2.0 (#1360)
• Improvements to esp32_exception_decoder (#1357)
• Better handling of IDF linker script fragments
• Minor fixes and improvements (#1360)

Thanks @Tasssadar, @powerfeatherdev for your contributions!

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 6.7.0

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.16 (based on IDF v4.4.7)
• ESP-IDF - v5.2.1

6.6.0

Release Notes

• New boards: Adafruit Feather ESP32-S2, Lilka v2, WEMOS LOLIN S3 PRO
• Updated ESP-IDF to v5.2.1 (release notes)
• Added new helper function _get_board_f_image for getting firmware image frequency (#1304)
• Added new helper function _get_board_f_boot for getting bootloader frequency (#1331)
• Better handling of ULP sources in incremental builds (#1320)
• Switched to GCC wrapped ar & ranlib to enable LTO (#1329)
• Droped support for deprecated Briki boards
• Minor fixes and improvements (#1277, #1304, #1312, #1314, #1321, #1334)

Thanks @Jason2866, @bsdlp, @and3rson, @nicklasb, @mbrunnen, @deece for your contributions!

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 6.6.0

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.14
• ESP-IDF - v5.2.1

6.5.0

Release Notes

• Added new boards and dev-kits: 4D Systems GEN4-ESP32 16MB, Adafruit pyCamera S3, Adafruit Metro ESP32-S3, Adafruit QT Py ESP32-S3 (4M Flash 2M PSRAM), Adafruit Qualia ESP32-S3 RGB666, ArtronShop ATD1.47-S3, ArtronShop IOXESP32, ArtronShop IOXESP32PS, Aventen S3 Sync, Espressif ESP32-PICO-DevKitM-2, Espressif ESP32-S3-DevKitM-1, Espressif ESP32-S3-USB-OTG, Lion:Bit S3 STEM Dev Board, LilyGo T-Display, Smart Bee Data Logger, Namino Arancio, Namino Rosso, Unexpected Maker NanoS3
• Added support for Arduino v2.0.14 (release notes)
• Updated ESP-IDF to v5.1.2 (release notes)
• Added default debug option for ESP32-S2-Kaluga-1 Kit (#1185, #1130)
• Added optional MMU page size flag to elf2bin if it's configurable
• Fixed handling of precompiled static archives located outside IDF project root (#1230)
• Fixed Lolin S2 USB CDC setup (#1251)
• Fixed upload workflow for Lolin S3 (#1252)
• Minor fixes and improvements (#1180, #1198)

Thanks @maxgerhardt, @Jason2866, @mbrunnen, @f-io, @PradeepKotu, @strid3r21, @SuGlider, @djpearman, @a-sapuppo for your contributions!

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 6.5.0

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.14
• ESP-IDF - v5.1.2

6.4.0

Release Notes

• Added new boards and dev-kits:
  • Adafruit MatrixPortal ESP32-S3
  • Arduino Nano ESP32
  • Espressif ESP32-C6-DevKitM-1
  • DFRobot Romeo ESP32-S3
  • Kinetic Dynamics Nebula S3
  • M5Stamp-Pico
  • M5Stack-CoreS3
• Added support for Arduino v2.0.11 (release notes)
• Updated ESP-IDF to v5.1.1 (release notes)
• Initial support for ESP32-C6 (#1054)
• Improved dynamic memory size calculation process (#1159, #1178)
• Support for custom application partition names (#1166)
• Fixed OpenOCD configuration for Lolin S2 boards (#1139)
• Minor fixes and improvements (#1146, #1175, #1176)

Thanks @maxgerhardt, @stintel, @Jason2866, @Tinyu-Zhao for your contributions.

Warning

Due to recent toolchain package reorganization, it is now necessary to use the latest PlatformIO Core v6.1.11 for debugging IDF projects.

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 6.4.0

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.11
• ESP-IDF - v5.1.1

5.4.0

Release Notes

• Added support for ESP-IDF v4.4.5 (release notes)

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 5.4.0

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.6
• ESP-IDF - v4.4.5

6.3.2

Release Notes

• Use strict versions of Python dependencies for IDF 5 to avoid compatibility issues

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 6.3.2

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.9
• ESP-IDF - v5.0.2

6.3.1

• Fixed a potential issue with urllib3 dependency in IDF environment

Configuration

To utilize this version, please navigate to your platformio.ini (Project Configuration File) and adjust the platform option as follows:

[env:my-esp32]
platform = espressif32 @ 6.3.1

For further exploration of configuration options for the espressif32 development platform, refer to the documentation.

Supported Frameworks

• Arduino - v2.0.9
• ESP-IDF - v5.0.2