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  Arduino Pre-Release v3.1.0-RC1 based on ESP-IDF v5.3.0+ Stable

  petr.gadorek released this 2024-08-28 15:50:04 +00:00 | 1786 commits to master since this release

  The Arduino ESP32 version 3.1.0-RC1 is new major release based on the ESP-IDF v5.3.0 (release notes).

  ---

  For version migration, please check Migration Guide from v2.X to 3.X

  ---

  System PR

  • IDF release/v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/10162
  • IDF release/v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/10201

  Arduino Lib Builder

  • fix(install): Fetch before checkout to avoid errors by @lucasssvaz in https://github.com/espressif/esp32-arduino-lib-builder/pull/212
  • remove not existing zigbee libs by @Jason2866 in https://github.com/espressif/esp32-arduino-lib-builder/pull/210
  • Move libs publishing to this repo by @lucasssvaz in https://github.com/espressif/esp32-arduino-lib-builder/pull/209
  • Require ninja to be installed and in path to build the libs by @me-no-dev in https://github.com/espressif/esp32-arduino-lib-builder/pull/206
  • Use component manager overwrite to help build by @me-no-dev in https://github.com/espressif/esp32-arduino-lib-builder/pull/205
  • add zigbee libs for Platformio by @Jason2866 in https://github.com/espressif/esp32-arduino-lib-builder/pull/204
  • Fix ESP-DSP breaking the build by @me-no-dev in https://github.com/espressif/esp32-arduino-lib-builder/pull/203
  • feat(mbedtls): Enable support for non-AES ciphers in GCM operation by @lucasssvaz in https://github.com/espressif/esp32-arduino-lib-builder/pull/200

  Peripherals

  UART

  • Fix(UART): ESP32 | ESP32-S2 UART Clock Source by @SuGlider in https://github.com/espressif/arduino-esp32/pull/10172
  • fix(uart): sleep retention by @SuGlider in https://github.com/espressif/arduino-esp32/pull/10248

  Timer

  • fix(timer): Typo - milis instead of millis by @leandromattioli in https://github.com/espressif/arduino-esp32/pull/10193

  LEDC

  • feat(LEDC): Adds the ability to set the clock source for the LEDC by @konzen in https://github.com/espressif/arduino-esp32/pull/10171

  RGB LED

  • Add ability for boards to provide a custom pixel order in neopixelWrite() by @sblantipodi in https://github.com/espressif/arduino-esp32/pull/10128
  • Change "neopixel" references to use RGB LED naming by @SuGlider in https://github.com/espressif/arduino-esp32/pull/10225

  Libraries

  Networking

  • fix(wifiprov): Fix starting Wifi when already provisioned by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/10151
  • fix(client): Make flush() call clear() and deprecate it by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/10242

  SD Card

  • Fix use after free in SD library by @Ariakenom in https://github.com/espressif/arduino-esp32/pull/10122

  USB

  • fix(USB): OTG S2 and S3 debug print by @SuGlider in https://github.com/espressif/arduino-esp32/pull/10123

  OTA

  • fix(OTA): Wrap espota --auth flag in quotes by @per1234 in https://github.com/espressif/arduino-esp32/pull/10126
  • ArduinoOTA - change occurrence of client.flush() to clear() by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/10233

  Rainmaker

  • feat(RMaker): Register common events for better debugging by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/10133

  WebServer

  • Improving WebServer Example by @mathertel in https://github.com/espressif/arduino-esp32/pull/10111
  • WebServer - change occurrence of client.flush() to clear() by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/10234

  Boards Additions & Updates

  • feat(board): Add CircuitART Zero S3 board by @CircuitART in https://github.com/espressif/arduino-esp32/pull/10108
  • Added variant for Waveshare ESP32-S3-Touch-LCD-1.69 & ESP32-S3-LCD-1.69 board by @Y1hsiaochunnn in https://github.com/espressif/arduino-esp32/pull/10118
  • feat(board):Update M5Stack related board and pin configuration by @Tinyu-Zhao in https://github.com/espressif/arduino-esp32/pull/10144
  • feat(board): Add Alfredo NoU3 by @BotSpace in https://github.com/espressif/arduino-esp32/pull/10134
  • feat(3rd party board): Add Fri3d Badge 2024 (ESP32-S3-WROOM-1) by @francisduvivier in https://github.com/espressif/arduino-esp32/pull/10143
  • Added LILYGO T-Watch-S3 & T-Watch-Ultra variants by @lewisxhe in https://github.com/espressif/arduino-esp32/pull/10175
  • Adding CodeCell ESP32C3 new 3rd part board by @microbotsio in https://github.com/espressif/arduino-esp32/pull/10177
  • feat(board):Add Heltec Vision Master series boards by @RichardHeltec in https://github.com/espressif/arduino-esp32/pull/10198
  • feat(boards): Add ESP32-2432S028R board support by @Xylopyrographer in https://github.com/espressif/arduino-esp32/pull/10235
  • Added variant for Waveshare ESP32-S3-Zero by @Y1hsiaochunnn in https://github.com/espressif/arduino-esp32/pull/10241

  Documentation

  • docs: correct Float type size in Preferences API and Tutorial documentation by @Xylopyrographer in https://github.com/espressif/arduino-esp32/pull/10113
  • fix(doc): analogReadMilliVolts by @SuGlider in https://github.com/espressif/arduino-esp32/pull/10125
  • docs(BLE): updated obsolete url in library.properties by @sylque in https://github.com/espressif/arduino-esp32/pull/10147
  • docs(BLE): updated obsolete README.md by @sylque in https://github.com/espressif/arduino-esp32/pull/10148
  • docs(vale): Enable vale and fix errors by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/10231

  CI & Testing

  • ci(branches): Remove wildcard from branch triggers by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/10210
  • change(build): add -Werror=return-type to default C and C++ flags by @igrr in https://github.com/espressif/arduino-esp32/pull/10216
  • fix(tests): Use proper API and check for required token by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/10223
  • fix(spelling): Fix misspellings detected by codespell and enable it by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/10232

  Tooling

  • fix(get.py): Add version checking for installed tools by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/10160
  • fix(release): Fix release script to use new archive method by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/10255
  • fix(get.py): Remove existing files before extracting by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/10247
  • fix(requirements): Avoid version conflicts by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/10222
  • fix(chip): Return correct ESP32 chip model by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/10243

  ---

  Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.0.4...3.1.0-RC1

  ---

  New Contributors

  • @CircuitART made their first contribution in https://github.com/espressif/arduino-esp32/pull/10108
  • @Y1hsiaochunnn made their first contribution in https://github.com/espressif/arduino-esp32/pull/10118
  • @Ariakenom made their first contribution in https://github.com/espressif/arduino-esp32/pull/10122
  • @BotSpace made their first contribution in https://github.com/espressif/arduino-esp32/pull/10134
  • @francisduvivier made their first contribution in https://github.com/espressif/arduino-esp32/pull/10143
  • @microbotsio made their first contribution in https://github.com/espressif/arduino-esp32/pull/10177
  • @sylque made their first contribution in https://github.com/espressif/arduino-esp32/pull/10147
  • @sblantipodi made their first contribution in https://github.com/espressif/arduino-esp32/pull/10128
  • @RichardHeltec made their first contribution in https://github.com/espressif/arduino-esp32/pull/10198
  • @konzen made their first contribution in https://github.com/espressif/arduino-esp32/pull/10171

  ---

  Thank you everyone for your contribution! 🎉

  Downloads

  • esp32-3.1.0-RC1.zip
    0 downloads · 2026-07-17 18:51:43 +00:00 · 23 MiB
  • esptool-v4.8.1-linux-amd64.tar.gz
    0 downloads · 2026-07-17 18:51:51 +00:00 · 62 MiB
  • esptool-v4.8.1-linux-arm32.tar.gz
    0 downloads · 2026-07-17 18:51:57 +00:00 · 44 MiB
  • esptool-v4.8.1-linux-arm64.tar.gz
    0 downloads · 2026-07-17 18:52:04 +00:00 · 52 MiB
  • esptool-v4.8.1-macos.tar.gz
    0 downloads · 2026-07-17 18:52:09 +00:00 · 28 MiB
  • esptool-v4.8.1-win64.zip
    0 downloads · 2026-07-17 18:52:14 +00:00 · 32 MiB
  • package_esp32_dev_index.json
    0 downloads · 2026-07-17 18:52:16 +00:00 · 269 KiB