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  Arduino Release v3.3.0 based on ESP-IDF v5.5.0 Stable

  petr.gadorek released this 2025-07-23 12:28:45 +00:00 | 1085 commits to master since this release

  What's Changed

  System PR

  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11150
  • fix(esp32c5): Add proper RTC clock source to uartSetClockSource by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11255
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11204
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11289
  • fix(esp32): Add missing vflip status in esp32-cam example by @h-2-0 in https://github.com/espressif/arduino-esp32/pull/11335
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11342
  • IDF release/v5.4 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11212
  • IDF release/v5.4 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11357
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11358
  • IDF release/v5.4 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11406
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11369
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11504
  • IDF release/v5.4 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11512
  • IDF release/v5.4 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11517
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11543
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11601
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11623
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11626
  • Arduino ESP32 v3.3 based on ESP-IDF v5.5 (master) by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/10884
    ##Chip Support

  Peripherals

  GPIO

  • fix(gpio): Fix GPIO warning message by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11268
  • feat(gpio): new functional interrupt lambda example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11589

  I2S

  • Fix(I2S example): make fix to the ESP32 I2S simple tone example by @greenyleaf in https://github.com/espressif/arduino-esp32/pull/10954
  • Add access methods to get the Wire bus number and I2C bus handle by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11570

  LEDC

  • feat(ledc): clear all fields added to ledc struct in IDF 5.4 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11276
  • feat(ledc): Improve timer management with frequency/resolution matching by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11452
  • feat(LEDC): Add Gamma Fade support and enhance auto channel/timer selection for multi-group by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11464
  • fix(example): led flash not working if not using default model in camera example. by @HighDoping in https://github.com/espressif/arduino-esp32/pull/11466

  PSRAM

  • fix: Add PSRAM Option for Geekble nano by @syong0921 in https://github.com/espressif/arduino-esp32/pull/11432

  RMT

  • fix(rmt): memset all config structs to zero before using by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11203
  • refactor(rmt): refactored RMT loopback example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11221
  • feat(rmt): fixes example to run correctly within IDF 5.x by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11292

  UART

  • Add an option to force IDF's default UART clock source by @gonzabrusco in https://github.com/espressif/arduino-esp32/pull/11191
  • feat(logging): Arduino log redirection by @mathieucarbou in https://github.com/espressif/arduino-esp32/pull/11159
  • feat(uart): sets correct ESP32/S2 clock source for the example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11286
  • feat(uart): simplifies UART example based on MODBUS standard by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11309
  • feat(uart): fixes loopback function after IDF changes by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11492
  • feat(uart): fixes pin attach for any IDF 5.x by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11499
  • fix(uart): removes assert() to avoid reset by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11508
  • fix(build): make core compatible with IDF 5.3 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11607

  USB

  • fix(usb): uninitilized variable warning message by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11222
  • feat(usb): add a few more consumer control HID commands by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11227
  • fix(usb_hid): duplicated CONSUMER_CONTROL_PLAY_PAUSE by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11242
  • remove weak function declaration of tud_msc_is_writable_cb to fix simultaneous CDC and MSC by @PaulaScharf in https://github.com/espressif/arduino-esp32/pull/11353

  Libraries

  Bluetooth & BLE

  • Use CONFIG_BT_BLUEDROID_ENABLED for enabling by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11214
  • check for CONFIG_BT_BLUEDROID_ENABLED in esp32-hal-misc.c by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11234
  • make BT core code execution conditional from include esp_bt.h by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11413
  • include "esp_bt.h" only when existing by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11438
  • feat(NimBLE): Add support for NimBLE by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11424
  • ci(ext_lib): Skip P4 in ArduinoBLE test by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11520

  ESP-NOW

  • fix(esp_now): Fix broadcast example and use nullptr by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11490
  • feat(esp_now): Add support for ESP NOW V2 by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11524

  ESP-SR

  • fix(ESP_SR): crash on watchdog timeout in iddle task by @vlastahajek in https://github.com/espressif/arduino-esp32/pull/11376

  Matter

  • feat(matter): Adds Matter Events callback plus example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11465
  • feat(matter): enables BLE Matter commissioning with NimBLE by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11537
  • fix(merge): Fix merging CN Json by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11574
  • feat(matter): new matter example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11561
  • feat(matter): removing wifi requirement for H2 and C5 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11581

  Network

  • HTTPUpdate: Support HTTP 204 by @sidwarkd in https://github.com/espressif/arduino-esp32/pull/11408
  • C2: Disable network provisioning by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11423
  • fix(async): Update IP setup in AsyncUDP by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11569
  • feat(netif): Allow setting interface's routing priority by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11617

  Update

  • Update ZigbeeColorDimmableLight to clamp color hue and saturation to 0-254 (Fixes #11527) by @thorrak in https://github.com/espressif/arduino-esp32/pull/11528

  OTA

  • fix(csrf): Fix SCRF vulnerability in OTA examples and libraries by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11530

  OpenThread

  • feat(openthread): adds native api by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11474
  • feat(openthread): Add RLOC16 in otPrintNetworkInformation() by @lboue in https://github.com/espressif/arduino-esp32/pull/11480
  • feat(openthread): native API extension by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11598

  SD

  • feat(SDFS): Add destructor for SD card to clean up resources by @JakubAndrysek in https://github.com/espressif/arduino-esp32/pull/11521

  SPI

  • New SPI invert hardware SS function in hall-spi and SPI library by @SimGearEvolution in https://github.com/espressif/arduino-esp32/pull/11297
  • fix(spi): Add missing initializer for ss_invert by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11320
  • feat(spi): Add return values to SPI begin + comments on SPI buses by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11477
  • fix(spi): Correct SPI mapping for ESP32S2 by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11510
  • fix(spi): Fix bus clock for ESP32-P4 + remove S2 leftover by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11547

  WiFi

  • fix(wifi): Workaround bug in esp_wifi_get_protocol() by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11239
  • Update version for wifi remote by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11344
  • feat(p4): Add method to set the pins for SDIO to WiFi chip by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11513

  Wire

  • feat(wire): std::functional Wire slave callback functions by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11582

  Zigbee

  • feat(zigbee): Add PM2.5 endpoint support by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11205
  • fix(zigbeeEP): review of names and memory allocation by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11199
  • feat(zigbee): Add battery voltage attribute support by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11210
  • feat(esp32): Zigbee power outlet example by @lboue in https://github.com/espressif/arduino-esp32/pull/11296
  • feat(zigbee): Remove static variables, improve binding, new example by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11316
  • feat(zigbee): Add support for Binary input EP + Analog EP extension by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11339
  • feat(zigbee): Add AC DC ElectricalMeasurement support by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11384
  • feat(zigbee): Check the type of leave signal by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11385
  • feat(zigbee): Add endpoint identification in read handlers + command structures fix by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11425
  • feat(zigbee): Add method to set/get/report analog output by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11431
  • feat(zigbee): Update to esp-zigbee-sdk 1.6.5 and fix ci.json files by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11436
  • feat(zigbee): Support min/max setting for Analog EP by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11451
  • feat(zigbee): Add Fan Control endpoint support by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11559
  • feat(zigbee): Add callback option for default response message by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11613
  • fix(zigbee): Replace assert with error log to solve immediate crash by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11614
  • fix(zigbee): Fix RGB color calculation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11624

  Boards Additions & Updates

  • Modify T-LoRa-Pager device PID by @lewisxhe in https://github.com/espressif/arduino-esp32/pull/11194
  • fix(board): Alfredo NoU3 pins_arduino.h uses uint8_t but it causes error with esp32-hal-gpio.h by @SaintSampo in https://github.com/espressif/arduino-esp32/pull/11206
  • Update LilyGo T-Watch-S3-Ultra and T-LoRa-Pager variants by @lewisxhe in https://github.com/espressif/arduino-esp32/pull/11299
  • Update boards.txt with updated CodeCell board variant by @microbotsio in https://github.com/espressif/arduino-esp32/pull/11313
  • Add new board: Sparkle Motion Stick by @ladyada in https://github.com/espressif/arduino-esp32/pull/11330
  • Added new Unexpected Maker SQUiXL and EDGES3[D] boards. by @UnexpectedMaker in https://github.com/espressif/arduino-esp32/pull/11350
  • add dfrobot lorawan esp32s3 board by @qhddz in https://github.com/espressif/arduino-esp32/pull/11362
  • fix(board): Alfredo-NoU3 changed default upload mode from Hardware CDC and JTAG to USB-OTG by @SaintSampo in https://github.com/espressif/arduino-esp32/pull/11403
  • feat(board): Add custom board YB-ESP32-S3-DRV by @yellobyte in https://github.com/espressif/arduino-esp32/pull/11388
  • fix: Updated the tools options for Geekble Mini by @syong0921 in https://github.com/espressif/arduino-esp32/pull/11437
  • feat(boards): update wifiduinov2&wifiduino32s3 boards setting by @i3water in https://github.com/espressif/arduino-esp32/pull/11440
  • feat(p4): Add 32MB Flash Partitions to ESP32-P4 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11453
  • fix(board): Update Pin compatibility by @SooDragon in https://github.com/espressif/arduino-esp32/pull/11473
  • fix: Delete 8M flash option for xiao_esp32_s3_plus by @is-qian in https://github.com/espressif/arduino-esp32/pull/11476
  • feat(variant): add kode dot ESP32-S3 board with QSPI LCD, SD and GPIO … by @LusimiCollado in https://github.com/espressif/arduino-esp32/pull/11371
  • feat(p4): Add method to set the pins for SDIO to WiFi chip by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11513
  • feat(board): add support for RAKwireless RAK3112 by @DanielCao0 in https://github.com/espressif/arduino-esp32/pull/11485\
  • Add FED4 board by @strid3r21 in https://github.com/espressif/arduino-esp32/pull/11536
  • fix(board): Update variant.cpp for senseBox MCU-S2 ESP32-S2 by @PaulaScharf in https://github.com/espressif/arduino-esp32/pull/11532
  • Add Deneyap Kart v2 by @DogushC in https://github.com/espressif/arduino-esp32/pull/11545
  • fix(board): Update PSRAM configuration for RAK3112 to fix PSRAM error by @DanielCao0 in https://github.com/espressif/arduino-esp32/pull/11552
  • fix(tamc_termod_s3): Fix header includes by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11625
  • feat(board): Add onboard LED support for Waveshare ESP32-S3 Zero by @eMUQI in https://github.com/espressif/arduino-esp32/pull/11630

  CI & testing

  • ci(pre-commit): Lock versions to SHA and apply fixes by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11248
  • ci(idf): Use included IDF examples in CI by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11240
  • ci(release): Add package JSON with chinese mirrors by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11288
  • feat(codeowners): Initial CODEOWNERS setup by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11397
  • fix(ci): Process only needed files in publish sizes by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11439
  • fix(release): Replace all assets with chinese mirrors by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11323
  • fix(dangerjs): Disable target branch rule by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11565
  • ci(gitlab): Initial GitLab setup by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11577

  Documentation

  • docs(language): Enforce English on contributions and issues by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11267
  • docs(mirror): Add Chinese mirror links by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11317
  • fix(libraries/asyncudp): IPv4 ONLY listenMulticast() by @nikiwaibel in https://github.com/espressif/arduino-esp32/pull/11444
  • fix(docs): correct code block indentation in core_compatibility.rst by @eMUQI in https://github.com/espressif/arduino-esp32/pull/11471
  • fix(docs): Fix links and versions by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11505
  • feat(docs_version): Update docs in update-version script by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11564
  • feat(docs): Add Zigbee library API documentation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11525
  • feat(docs): Updaze Zigbee docs with latest changes by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11627

  Tooling

  • Update gen_esp32part.py by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11391
  • feat(esptool): Upgrade to esptool v5 by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11433
  • feat(esptool): Upgrade to esptool v5 by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11487
  • pioarduino changes for updated esptool.py v5.0.0 by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11488
  • change(esptool): Upgrade esptool to release v5.0.0 (3.2.x) by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11562
  • change(esptool): Upgrade esptool to release v5.0.0 (3.3.x) by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11563
  • pioarduino only: fix deprecated warnings caused from esptool v5.0.0 by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11556

  Others

  • Restore proper pin remapping functionality after 3.2.0 by @pillo79 in https://github.com/espressif/arduino-esp32/pull/11315
  • fix(rainmaker): Fix the 8MB partition scheme by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11363
  • feat(ssl): Do not check if client is connected if already disconnected by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11356
  • feat(ap): Add support for DHCP Captive Portal (opt 114) by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11412
  • Proper EDNS handling and cleaner NOERROR response in DNSSERVER by @Kolkman in https://github.com/espressif/arduino-esp32/pull/11411
  • Fix appending to Strings longer than 64k by @MattiasTF in https://github.com/espressif/arduino-esp32/pull/11523
  • pioarduino only: make adresses for partitions.bin and boot_app0.bin configureable by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11534
  • fix(ppp): Detach PPP RST pin from periman on end by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11620
  • feat(test): Enhance NVS test by @JakubAndrysek in https://github.com/espressif/arduino-esp32/pull/11481

  New Contributors

  • @SimGearEvolution made their first contribution in https://github.com/espressif/arduino-esp32/pull/11297
  • @h-2-0 made their first contribution in https://github.com/espressif/arduino-esp32/pull/11335
  • @qhddz made their first contribution in https://github.com/espressif/arduino-esp32/pull/11362
  • @sidwarkd made their first contribution in https://github.com/espressif/arduino-esp32/pull/11408
  • @syong0921 made their first contribution in https://github.com/espressif/arduino-esp32/pull/11432
  • @nikiwaibel made their first contribution in https://github.com/espressif/arduino-esp32/pull/11444
  • @greenyleaf made their first contribution in https://github.com/espressif/arduino-esp32/pull/10954
  • @PaulaScharf made their first contribution in https://github.com/espressif/arduino-esp32/pull/11353
  • @eMUQI made their first contribution in https://github.com/espressif/arduino-esp32/pull/11471
  • @Kolkman made their first contribution in https://github.com/espressif/arduino-esp32/pull/11411
  • @JakubAndrysek made their first contribution in https://github.com/espressif/arduino-esp32/pull/11481
  • @LusimiCollado made their first contribution in https://github.com/espressif/arduino-esp32/pull/11371
  • @HighDoping made their first contribution in https://github.com/espressif/arduino-esp32/pull/11466
  • @DanielCao0 made their first contribution in https://github.com/espressif/arduino-esp32/pull/11485
  • @thorrak made their first contribution in https://github.com/espressif/arduino-esp32/pull/11528

  Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.2.0...3.3.0

  Downloads

  • esp32-3.3.0.zip
    0 downloads · 2026-07-17 18:46:18 +00:00 · 25 MiB
  • package_esp32_dev_index.json
    0 downloads · 2026-07-17 18:46:20 +00:00 · 398 KiB
  • package_esp32_dev_index_cn.json
    0 downloads · 2026-07-17 18:46:22 +00:00 · 412 KiB
  • package_esp32_index.json
    0 downloads · 2026-07-17 18:46:24 +00:00 · 326 KiB
  • package_esp32_index_cn.json
    0 downloads · 2026-07-17 18:46:25 +00:00 · 337 KiB