Known issue

@me-no-dev

The Arduino ESP32 version 3.1.0-RC2 is second release candidate of 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/v5.3 by @me-no-dev in #10258
IDF release/v5.1 by @me-no-dev in #10257
IDF release/v5.3 by @me-no-dev in #10465

Peripherals

UART

fix(uart): Add missing HP UARTs for ESP32-P4 by @lucasssvaz in #10447
feat(uart): uart break example improvement by @SuGlider in #10525
ESP32-P4 UART Pin Definitions by @SuGlider by #10521

PSRAM

fix(psram): Init PSRAM before app_main to fix mmu_map by @me-no-dev in #10390
fix(psram): Do not abort if PSRAM is not found by @me-no-dev in #10395
test(psram): Add PSRAM test by @lucasssvaz in #10409
fix(spiram): Fix OPI PSRAM init by @me-no-dev in #10406

SDMMC

feat(sdmmc): Add SDMMC support for P4 + remove BUILTIN LED by @P-R-O-C-H-Y in #10460

Ethernet

fix(eth): Set default clock in pin value to zero by @me-no-dev in #10513
Add RMII Ethernet support for ESP32-P4 by @me-no-dev in #10479

I2S

fix(i2s): Use separate variables when reading and writing by @me-no-dev in #10509

Touch

feat(touch): Support NG touch driver for P4 by @P-R-O-C-H-Y in #10448

BLE

fix(ble): Fixed typos (or copy/paste issues) in comments for AD types in BLEAdvertising by @thomasw-mitutoyo-ctl in #10512

Libraries

LittleFS

fix(littlefs): Use VFSImpl::exists() to avoid false error log by @BlueAndi in #10217
fix(littlefs): Add missing dependency by @clashman in #10496

Network Events

fix(NetworkEvents): Don't skip event callbacks in NetworkEvents::remo… by @LeeLeahy2 in #10337
fix (NetworkEvents lib): remove checks for duplicated event handlers by @vortigont in #10376

HTTP

fix(http): Replace flush() with clear() in HTTPClient by @me-no-dev in #10269

ESPNow

change(esp_now_serial): No teardown on retry limit by @ClockeNessMnstr in #10293

Arduino Stream

fix(api): Update Arduino Stream class by @me-no-dev in #10328
Fix missing virtual declarations in Stream.h by @TD-er in #10348

Zigbee

feat(zigbee): Add Zigbee library by @P-R-O-C-H-Y in #10265
fix(zigbee): Enable the internal pull-up resistor for BUTTON_PIN by @lboue in #10491

Tone

Adds setToneChannel() implementation by @SuGlider in #10305

OpenThread

OpenThread Example Improvement by @SuGlider in #10299

Matter

feat(matter): initial commit with arduino matter lib by @SuGlider in #10467
Update Matter Light README.md by @lboue in #10357

RTOS

feature(rtos): Add Tasks status print function by @me-no-dev in #10515

Wire

Wire library: Add conditional compilation for second I2C interface based on SOC_I2C_NUM by @sivar2311 in #10408

Boards Additions & Updates

Added Unexpected Maker OMGS3 by @UnexpectedMaker in #10298
Added Sparkfun ESP32-S3 Thing Plus board by @Vigeant in #10382
Add Waveshare ESP32 Touch AMOLED 2.41 by @wurongmin in #10342
Add IOXESP32-C6 and ATD3.5-S3 board by @maxpromer in #10471
Add our new board "cezerio dev ESP32C6" by @DogushC in #10462
Add Waveshare ESP32-S3-Touch-LCD-1.46 board by @Sail-211010 in #10482
Added variant for Waveshare ESP32-S3-Touch-AMOLED-1.8 by @Y1hsiaochunnn in #10433
Add the Waveshare ESP32-S3-Touch-LCD-1.85 board by @Sail-211010 in #10477
fix(build): Fix sdkconfig copy for board manager by @lucasssvaz in #10484

CI & Testing

ci(push): Use FQBN from ci.json by @lucasssvaz in #10267
ci(release): Make workflows dependent on release completion by @lucasssvaz in #10260
ci(tests): Add linpack FPU tests by @lucasssvaz in #10389
fix(ci): Boards test - get correct file for the diff by @P-R-O-C-H-Y in #10507

Documentation

docs(contrib): Add instructions on how to test changes by @lucasssvaz in #10221

Tooling

feat(pre-commit): Add JSON formatter to pre-commit hooks by @lucasssvaz in #10324
feat(esptool): Update esptool to v4.8.1 by @lucasssvaz in #10524

Full Changelog: 3.1.0-RC1...3.1.0-RC2

New Contributors

@wurongmin made their first contribution in #10342
@LeeLeahy2 made their first contribution in #10337
@ClockeNessMnstr made their first contribution in #10293
@Bharat-Pi made their first contribution in #10402
@HamzaHajeir made their first contribution in #10415
@H-sw123 made their first contribution in #10434
@Sail-211010 made their first contribution in #10477
@clashman made their first contribution in #10496
@thomasw-mitutoyo-ctl made their first contribution in #10512
@zinkett made their first contribution in #10510

Thank you for your contribution! 🎉

@me-no-dev

The Arduino ESP32 version 3.0.7 is seventh bugfix release based on the ESP-IDF v5.1.4 (release notes).

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

Major changes

Release packages and libraries fixed to work through Arduino IDE Boards manager

System PR

IDF release/v5.1 by @me-no-dev in #10505

Libraries

fix(littlefs): Add missing dependency by @clashman in #10496

CI & Testing

ci(json): Add requires_any field and use QIO by default to match IDE by @lucasssvaz in #10472
fix(testing): Checkout proper branch for Wokwi tests and small QoL improvements by @lucasssvaz in #10435
fix(formatting): Fix formatting and disable JSON hook by @lucasssvaz in #10492
fix(ci): Change approach in listing the changed boards by @P-R-O-C-H-Y in #10495

Full Changelog: 3.0.6...3.0.7

New Contributors

@clashman made their first contribution in #10496

@me-no-dev

The Arduino ESP32 version 3.0.6 is sixth bugfix release based on the ESP-IDF v5.1.4 (release notes).

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

Known issue

This release and its libraries were not generated properly and release is not working through Arduino IDE Board manager, please use release 3.0.7 instead.

Major changes

new implementation of Zigbee Library
several fixes

System PR

IDF release/v5.1 by @me-no-dev in #10410
IDF release/v5.1 by @me-no-dev in #10446
IDF release/v5.1 by @me-no-dev in #10454

Core related changes

digitalPinToInterrupt: fix double pin remapping by @pillo79 in #10373
fix(psram): Init PSRAM before app_main to fix mmu_map by @me-no-dev in #10390
fix(psram): Do not abort if PSRAM is not found by @me-no-dev in #10395
fix(hid): Fix OUTPUT report not received by @me-no-dev in #10398
fix(spiram): Fix OPI PSRAM init by @me-no-dev in #10406

Peripehrals

HardwareSerial

fix(HardwareSerial): fix pin remapping in begin() on master by @pillo79 in #10379
feat(uart) 3.1.x Core: fixes serialEventRun() to avoid calling available() if serialEvent() is not declared by @SuGlider in #10428

Libraries

AsyncUDP

fix(asyncudp): Fixes and implements tcpip thread locking by @HamzaHajeir in #10415

DNS Server

fix: DNSServer Lib - improper startup code in WiFi mode by @vortigont in #10366

Rainmaker

fix(esp-rainmaker): update esp-rainmaker version to 1.5.0 by @Asc91 in #10476
Update esp-insights version by @Asc91 in #10456

OpenThread

Update FreeRTOS Symbols in OThreadCLI by @SuGlider in #10412

Wire

Wire library: Add conditional compilation for second I2C interface based on SOC_I2C_NUM by @sivar2311 in #10408

Zigbee

feat(zigbee): Add Zigbee library by @P-R-O-C-H-Y in #10265

Boards updates and additions

Added Sparkfun ESP32-S3 Thing Plus board by @Vigeant in #10382
Add the Waveshare ESP32-S3-Touch-LCD-1.85 board by @Sail-211010 in #10477
addition(3rd_party_board): Add Waveshare-S3-touch-lcd by @H-sw123 in #10434
Add IOXESP32-C6 and ATD3.5-S3 board by @maxpromer in #10471
Add our new board "cezerio dev ESP32C6" by @DogushC in #10462
feat(Variants): Add Arduino libraries for Lora 4G Module and Node Wifi o… by @Bharat-Pi in #10402
fix(boards): Remove partition scheme overwrite from FlashSize menu by @P-R-O-C-H-Y in #10400
Added variant for Waveshare ESP32-S3-Touch-AMOLED-1.8 by @Y1hsiaochunnn in #10433

CI & Testing

ci(json): Add configuration requirements to ci.json files by @lucasssvaz in #10385
fix(build): Fix sdkconfig copy for board manager by @lucasssvaz in #10484
ci(compilation): Use default partition and add append to FQBN option by @lucasssvaz in #10392
test(psram): Add PSRAM test by @lucasssvaz in #10409
ci(tests): Add linpack FPU tests by @lucasssvaz in #10389

Examples

fix(example): print correct fade direction by @P-R-O-C-H-Y in #10450
Fix WPS example config initialization by @me-no-dev in #10399
Update Matter Light README.md by @lboue in #10357

Full Changelog: 3.0.5...3.0.6

New Contributors

@Bharat-Pi made their first contribution in #10402
@HamzaHajeir made their first contribution in #10415
@Asc91 made their first contribution in #10456
@H-sw123 made their first contribution in #10434
@Sail-211010 made their first contribution in #10477

Thank you for contribution!

@me-no-dev

The Arduino ESP32 version 3.0.5 is fifth bugfix release based on the ESP-IDF v5.1.4 (release notes).

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

Known issue

Rainmaker does not work on all targets (ESP32-S2 is working, ESP32-C6 - rebooting issue, ESP32/ESP32-S3/ESP32-C3 does not work)

System PR

IDF release/v5.1 by @me-no-dev in #10162
IDF release/v5.1 by @me-no-dev in #10201
IDF release/v5.1 by @me-no-dev in #10257
IDF release/v5.1 by @me-no-dev in #10320

Arduino Lib-builder

fix(install): Fetch before checkout to avoid errors #212 by @lucasssvaz in espressif/esp32-arduino-lib-builder#212
fix(UI): Fix breaking changes and lock textual version #214 by @lucasssvaz in espressif/esp32-arduino-lib-builder#214
Fix Dockerfile and test docker build in PRs #216 by @lucasssvaz in espressif/esp32-arduino-lib-builder#216
Update ESP32 definition in PlatformIO #217 by @me-no-dev in espressif/esp32-arduino-lib-builder#217

Peripherals

UART

Fix(UART): ESP32 | ESP32-S2 UART Clock Source by @SuGlider in #10172

Timer

fix(timer): Typo - milis instead of millis by @leandromattioli in #10193

HAL RGB LED

Add ability for boards to provide a custom pixel order in neopixelWrite() by @sblantipodi in #10128
Change "neopixel" references to use RGB LED naming by @SuGlider in #10225

LEDC

feat(LEDC): Adds the ability to set the clock source for the LEDC by @konzen in #10171

I2C

fix(i2c): Ensure that semaphore is properly given if init fails by @me-no-dev in #10313

Tone

Adds setToneChannel() implementation by @SuGlider in #10305

Stream

fix(api): Update Arduino Stream class by @me-no-dev in #10328
Fix missing virtual declarations in Stream.h by @TD-er in #10348

Libraries

Networking

fix(wifiprov): Fix starting Wifi when already provisioned by @P-R-O-C-H-Y in #10151
fix(client): Make flush() call clear() and deprecate it by @me-no-dev in #10242
fix(ppp): Fix PPP not working after reboot if no RST by @me-no-dev in #10264
fix(http): Replace flush() with clear() in HTTPClient by @me-no-dev in #10269
fix(scan): Make sure scan struct is cleared before set by @me-no-dev in #10282
fix(scan): Make sure that we do not leak memory if reading the APs fails by @me-no-dev in #10312
fix(networking): NetworkClientRxBuffer::clear() may not always clear by @TD-er in #10331
[WiFiScan] Allow allocation in _scanDone() to fail and prevent memory leak by @TD-er in #10335
Fix(NetworkEvents): Don't skip event callbacks in NetworkEvents::remo… by @LeeLeahy2 in #10337
fix(events): Fix crash in getStdFunctionAddress by @me-no-dev in #10321

USB

fix(USB): OTG S2 and S3 debug print by @SuGlider in #10123

SD

Fix use after free in SD library by @Ariakenom in #10122

OTA

fix(OTA): Wrap espota --auth flag in quotes by @per1234 in #10126
ArduinoOTA - change occurrence of client.flush() to clear() by @JAndrassy in #10233

Rainmaker

feat(RMaker): Register common events for better debugging by @P-R-O-C-H-Y in #10133
fix(arduino): rain maker common version by @SuGlider in #10338

WebServer

WebServer - change occurrence of client.flush() to clear() by @JAndrassy in #10234
[WebServer] Mark functions as const + reduce copy of strings by @TD-er in #10339
Reduce copy of Strings in WebServer RequestHandler by @TD-er in #10345

ESP-NOW

change(esp_now_serial): No teardown on retry limit by @ClockeNessMnstr in #10293

FAT

fix(littlefs): Use VFSImpl::exists() to avoid false error log by @BlueAndi in #10217

3rd Party boards and additions

feat(board): Add CircuitART Zero S3 board by @CircuitART in #10108
Added variant for Waveshare ESP32-S3-Touch-LCD-1.69 & ESP32-S3-LCD-1.69 board by @Y1hsiaochunnn in #10118
feat(board):Update M5Stack related board and pin configuration by @Tinyu-Zhao in #10144
feat(board): Add Alfredo NoU3 by @BotSpace in #10134
feat(3rd party board): Add Fri3d Badge 2024 (ESP32-S3-WROOM-1) by @francisduvivier in #10143
Added LILYGO T-Watch-S3 & T-Watch-Ultra variants by @lewisxhe in #10175
Adding CodeCell ESP32C3 new 3rd part board by @microbotsio in #10177
feat(board):Add Heltec Vision Master series boards by @RichardHeltec in #10198
feat(boards): Add ESP32-2432S028R board support by @Xylopyrographer in #10235
Added variant for Waveshare ESP32-S3-Zero by @Y1hsiaochunnn in #10241
fix(arduino): changes ESP32 definition in CMakeLists.txt file by @SuGlider in #10259
fix(boards): Correct typos in port prop. associations for "Bee" boards by @per1234 in #10276
Update variants for M5Dial and M5StampS3 by @lboue in #10268
fix(boards): Remove port property assoc. for non-unique VID/PID pairs by @per1234 in #10271
Added Unexpected Maker OMGS3 by @UnexpectedMaker in #10298
update tinyuf2 for Adafruit boards to 0.20.1 by @hathach in #10300
add waveshare_esp32_touch_amoled_241 by @wurongmin in #10342
fix(variant): Rename waveshare esp32-s3 board. by @wurongmin in #10355

CI & Testing

ci(branches): Remove wildcard from branch triggers by @lucasssvaz in #10210
fix(get.py): Add version checking for installed tools by @lucasssvaz in #10160
change(build): add -Werror=return-type to default C and C++ flags by @igrr in #10216
fix(requirements): Avoid version conflicts by @lucasssvaz in #10222
fix(tests): Use proper API and check for required token by @lucasssvaz in #10223
fix(chip): Return correct ESP32 chip model by @me-no-dev in #10243
fix(get.py): Remove existing files before extracting by @lucasssvaz in #10247
fix(spelling): Fix misspellings detected by codespell and enable it by @lucasssvaz in #10232
fix(release): Fix release script to use new archive method by @lucasssvaz in #10255
fix(release): Fix install test on release by @lucasssvaz in #10256
ci(push): Use FQBN from ci.json by @lucasssvaz in #10267
ci(release): Make workflows dependent on release completion by @lucasssvaz in #10260
fix(report): Print correct chip revision by @me-no-dev in #10277
fix(ci): Log default FQBN if not passed as argument by @P-R-O-C-H-Y in #10302
feat(pre-commit): Add JSON formatter to pre-commit hooks by @lucasssvaz in #10324
build(deps): bump cryptography from 42.0.7 to 43.0.1 in /tests by @dependabot in #10284

Examples

Improving WebServer Example by @mathertel in https://github.com/espressif/arduino-esp32/pu...

@me-no-dev

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 #10162
IDF release/v5.1 by @me-no-dev in #10201

Arduino Lib Builder

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

Peripherals

UART

Fix(UART): ESP32 | ESP32-S2 UART Clock Source by @SuGlider in #10172
fix(uart): sleep retention by @SuGlider in #10248

Timer

fix(timer): Typo - milis instead of millis by @leandromattioli in #10193

LEDC

feat(LEDC): Adds the ability to set the clock source for the LEDC by @konzen in #10171

RGB LED

Add ability for boards to provide a custom pixel order in neopixelWrite() by @sblantipodi in #10128
Change "neopixel" references to use RGB LED naming by @SuGlider in #10225

Libraries

Networking

fix(wifiprov): Fix starting Wifi when already provisioned by @P-R-O-C-H-Y in #10151
fix(client): Make flush() call clear() and deprecate it by @me-no-dev in #10242

SD Card

Fix use after free in SD library by @Ariakenom in #10122

USB

fix(USB): OTG S2 and S3 debug print by @SuGlider in #10123

OTA

fix(OTA): Wrap espota --auth flag in quotes by @per1234 in #10126
ArduinoOTA - change occurrence of client.flush() to clear() by @JAndrassy in #10233

Rainmaker

feat(RMaker): Register common events for better debugging by @P-R-O-C-H-Y in #10133

WebServer

Improving WebServer Example by @mathertel in #10111
WebServer - change occurrence of client.flush() to clear() by @JAndrassy in #10234

Boards Additions & Updates

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

Documentation

docs: correct Float type size in Preferences API and Tutorial documentation by @Xylopyrographer in #10113
fix(doc): analogReadMilliVolts by @SuGlider in #10125
docs(BLE): updated obsolete url in library.properties by @sylque in #10147
docs(BLE): updated obsolete README.md by @sylque in #10148
docs(vale): Enable vale and fix errors by @lucasssvaz in #10231

CI & Testing

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

Tooling

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

Full Changelog: 3.0.4...3.1.0-RC1

New Contributors

@CircuitART made their first contribution in #10108
@Y1hsiaochunnn made their first contribution in #10118
@Ariakenom made their first contribution in #10122
@BotSpace made their first contribution in #10134
@francisduvivier made their first contribution in #10143
@microbotsio made their first contribution in #10177
@sylque made their first contribution in #10147
@sblantipodi made their first contribution in #10128
@RichardHeltec made their first contribution in #10198
@konzen made their first contribution in #10171

Thank you everyone for your contribution! 🎉

@me-no-dev

The Arduino ESP32 version 3.0.4 is fourth bugfix release based on the ESP-IDF v5.1.4 (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 #10098
fix(core): Update versions to 3.0.4 by @me-no-dev in #10106

Peripherals

ADC

Update analogContinuous function for passing pins as const and constexpr by @rvbc1 in #10044

GPIO

fix(gpio): add missing include for digitalPinCanOutput() by @P-R-O-C-H-Y in #10070

LEDC

fix(ledc): Fix freeing channel if not used anymore by @P-R-O-C-H-Y in #10094

UART

fix(uart): Sets XTAL as clock source for uart by @SuGlider in #10087

Timer

fix(timer): Add check to avoid crashing by @P-R-O-C-H-Y in #10069

Libraries

Networking

PPP: add "battery status" read stub functions by @WebDust21 in #10043
feat(wifi): Allow setting minimum time for wifi scan by @P-R-O-C-H-Y in #10083
fix(lwip): Add early out in NetworkUDP::parsePacket() when socket has no data by @nitz in #10075

NetworkClientSecure

fix(wfcs): Replaced expired certificate for howsmyssl.com by @lbernstone in #10063
fix(ssl): Add size arg to NetworkClientSecure::setCACertBundle by @me-no-dev in #10101

Rainmaker

fix(rainmaker): Add new partition tables that fits the binary size by @P-R-O-C-H-Y in #10046
fix(example): Update RainMaker examples to work with ESP32C6 by @P-R-O-C-H-Y in #10096

ESP-NOW

fix(ESP-NOW): Remove all peers on ESP_NOW.end() by @P-R-O-C-H-Y in #10102

Boards updates & addition

feat(board): add Waveshare ESP32-S3-Matrix by @Xylopyrographer in #10072
Enabled the onboard ceramic antenna by default when creating a new project with XIAO_ESP32C6 by @Cincinnatu in #10066

CI & Testing

ci(tests): Fix workflow errors by @lucasssvaz in #10067
ci(wokwi): Pass diagram.json file if exists to pytest by @P-R-O-C-H-Y in #9720
ci(release): Add JSON install test by @lucasssvaz in #10104

Documentation & Examples

add(template): Add version 3.0.3 to the Issue template by @me-no-dev in #10042
docs(lib-builder): Add missing requirements and examples by @lucasssvaz in #10040
fix(readme): Update badge for Build status by @P-R-O-C-H-Y in #10097
feat(net): Add NAPT examples by @me-no-dev in #10100
feat: Print chip features bitfield by @Xylopyrographer in #10080

Full Changelog: 3.0.3...3.0.4

New Contributors

@rvbc1 made their first contribution in #10044
@nitz made their first contribution in #10075
@Cincinnatu made their first contribution in #10066

Thank you all for your contribution!

@me-no-dev

The Arduino ESP32 version 3.0.2 is third bugfix release based on the ESP-IDF v5.1.4 (release notes).

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

Known issues

ESP Rainmaker does not work with esp32c3 in #10036 (Rainmaker does not work with Bluetooth)

System changes

IDF release/v5.1 by @me-no-dev in #10038
fix(idf): Require openthread on H2 and C6 by @me-no-dev in #9934
fix(libs): Update all libraries to match the core version by @me-no-dev in #10041

Arduino Lib builder changes

feat(lwip): Use custom LwIP V6 Input hook by @me-no-dev in espressif/esp32-arduino-lib-builder#194
Add patch to fix the maximum number of TCP PCBs in TIME_WAIT by @me-no-dev in espressif/esp32-arduino-lib-builder#191
Add temporary fix for mmu map and late init of psram by @me-no-dev in espressif/esp32-arduino-lib-builder#188

Peripherals

RMT

RMT Legacy Driver option by @SuGlider in #9941

UART

fix(uart): Set back Pin signal polarity by @SuGlider in #9950

LedC

feat(ledc): Allow attaching multiple pins to 1 channel by @P-R-O-C-H-Y in #10032

Libraries

WebServer

Fix timeout in WebServer::_uploadReadByte and handleClient() (#9990) by @TD-er in #9991

Http Client

fix(httpc): Fix data read was less than expected by @me-no-dev in #9998

SDMMC

SDMMC: Fix example code by @Akira25 in #10035

File System

FS library position() to return (size_t) -1 on error by @drmpf in #10002

Networking

feat(net): Enable IPv6 immediately if already connected by @me-no-dev in #9948
feat(eth): Allow setting the RX task stack size by @me-no-dev in #10003

Boards additions and updates

feat(3rd party board): Adding ViraLink IoT Gate Boards by @armp30 in #9841
Added LilyGo T3S3 variants by @lewisxhe in #9956
feat (3rd_party_board): Add new Adafruit Feather C6 - rev B by @ladyada in #9961
fix(nodemcu-32s): Fix Upload Speed menu on Windows by @me-no-dev in #10012
add(board): Add LOLIN S3 Mini Pro by @wemos in #10021
change(board): Add default 16MB partition to esp32wroverkit by @tutotio in #10016
add(board): Add M5Stack NanoC6 Dev Kit by @lboue in #9942

CI and testing

ci(tests): Fix cache cleaning by @lucasssvaz in #9932
ci(tests): Fix conclusion status and badge pushing by @lucasssvaz in #10013

Examples

Fixes WiFiProv.ino by @SuGlider in #9946
fix(example): Add better WPS logging by @me-no-dev in #9999
Update Zigbee_Temperature_Sensor.ino by @lboue in #10030

Documentation

fix(docs): Correct i2s.srt api example by @szprytny in #9968
docs(lib-builder): Add instructions to use the UI by @lucasssvaz in #9977
docs(badge): Generate runtime tests badge by @lucasssvaz in #9979
docs(component): Update to IDF 5.1 and add component manager instructions by @P-R-O-C-H-Y in #10005

Full Changelog: `3.0.2...3.0.3`

New Contributors

@armp30 made their first contribution in #9841
@szprytny made their first contribution in #9968
@tutotio made their first contribution in #10016
@Akira25 made their first contribution in #10035

Thanks everyone for your contribution! 💯

@me-no-dev

The Arduino ESP32 version 3.0.2 is second bugfix release based on the ESP-IDF v5.1.4 (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 #9770
fix(version): Update version to 3.0.2 by @me-no-dev in #9902
IDF release/v5.1 by @me-no-dev in #9928
IDF release/v5.1 by @me-no-dev in #9900

Components

feat(crypto): Add libsodium to the included components by @me-no-dev in #9821
feat(uart): Add esp-modbus to the included components by @me-no-dev in #9855

Libraries

BLE

fix(BLE): Arduino String shall not be used within std::map<> by @SuGlider in #9875
Adds BLE Characteristic User Description 0x2901 Descriptor by @SuGlider in #9883

BluetoothSerial

BluetoothSerial - Reduce bluetooth serial flush delay by @vincadrn in #9905

OpenThread

New OpenThread CLI Arduino Library for ESP32-C6 and ESP32-H2 by @SuGlider in #9908

Networking

fix(client): Implement readBytes in NetworkClient for faster downloads by @me-no-dev in #9824
fix(client): Fix NetworkClient::localIP() by @me-no-dev in #9845
fix(wifi): Fix WiFi setTxPower and getTxPower by @me-no-dev in #9862
ClientSecure.available() fix for connection closed by remote socket by @JAndrassy in #9869
feat(net): Switch to typedefs for WiFiClient, WiFiServer, WiFiUdp and WiFiClientSecure by @me-no-dev in #9909

SDMMC

feat(sdmmc): Add RAW disk functions by @lbernstone in #9796

HTTPClient

feat(http): Allow to set Accept-Encoding header by @me-no-dev in #9863
HTTPClient lib - add HTTPCLIENT_NOSECURE build flag by @vortigont in #9893

NetBIOS

fix(netbios): Return interface address for NetBIOS name lookup by @earlephilhower in #9885

WebServer

Added support for removing routes in WebServer library by @ayushsharma82 in #9832
feat: added support for filters in WebServer library by @ayushsharma82 in #9842
fix: removeRoute should remove all matching routes (WebServer) by @ayushsharma82 in #9851

OTA

fix(ota): Magic byte check fails with encrypted firmware by @me-no-dev in #9852
fix(ota): Allow password and partition change while idle by @me-no-dev in #9853

Peripherals

ADC

fix (adc): fixes limit test by @SuGlider in #9807

RMT

feat(rmt): Solve neopixel issue by @SuGlider in #9906

Boards additions & updates

Added new UM FeatherS3 Neo board. by @UnexpectedMaker in #9788
fix(xtal): Add a way to change the XTAL frequency for SparkFun ESP32 Thing by @me-no-dev in #9844
change (3rd_party_board): XIAO_C3 delete the definition of pin A3 by @Lesords in #9798
Add (3rd party board): DPTechnics Walter board support by @vThibo in #9817
add(board): Add LILYGO T-ETH-Lite by @me-no-dev in #9865
fix(boards): set XTAL 26MHz for Heltec WiFi & LoRa V1 by @yoursunny in #9889
PPP: Make modem reset delay configurable by @tl-sl in #9910
Add variant for Elecrow CrowPanel 7.0" by @lboue in #9897
fix(boards): boards.txt error by @SuGlider in #9930

CI & Testing

ci(refactor): Refactor workflows and skip files by @lucasssvaz in #9696
ci(wifi): Add scan to wifi test by @lucasssvaz in #9805
ci(refactor): Fix workflows and small improvements by @lucasssvaz in #9793
ci(boards): Add cache for libs by @P-R-O-C-H-Y in #9877
ci(tools): Fix tools workflows by @lucasssvaz in #9846
fix(ci): Fix issues found in workflows by @lucasssvaz in #9829
ci(tests): Avoid the use of pull_request_target where possible by @lucasssvaz in #9899

Examples

Deep Sleep Example Fix by @SuGlider in #9904
fix: Update the root certificate for the BasicHttpsClient example by @a-grealish in #9857
change(idf): Rename component example and fix compilation warnings by @lucasssvaz in #9801
fix(time): Fix SimpleTime to also use time servers from DHCP by @me-no-dev in #9886

Documentation

fix(readme): Fix tests badge by @lucasssvaz in #9781
docs(i2s): Fix I2S documentation example by @lucasssvaz in #9916
Update boards.rst by @SuGlider in #9925
docs(preferences): Fix getBool function by @P-R-O-C-H-Y in #9901

Full Changelog: 3.0.1...3.0.2

New Contributors

@ayushsharma82 made their first contribution in #9832
@Lesords made their first contribution in #9798
@vThibo made their first contribution in #9817
@a-grealish made their first contribution in #9857
@vincadrn made their first contribution in #9905
@tl-sl made their first contribution in #9910

Thanks everyone for your contribution! 🎉

@me-no-dev

The Arduino ESP32 version 3.0.1 is first bugfix release based on the ESP-IDF v5.1.4 (release notes).

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

Libraries

Fix getFlashChipMode breaking on S3 and C3 by @me-no-dev in #9758

Networking

fix(net): Don't unregister events if there are interfaces still open by @me-no-dev in #9706
fix(net): Fix IPv4 address construction from ip_addr_t and comparison (#9724) by @mathieucarbou in #9725
feat (WiFiScan): Allow setting scan timeout in milliseconds by @me-no-dev in #9738
fix(tls): do not attach bundle from runtime by @me-no-dev in #9763
fix(ssl): Fix load stream memory leak by @me-no-dev in #9767

Peripherals

USB

feat(usb): Support the new USB IDF API by @me-no-dev in #9761

Arduino as ESP-IDF component

fix(IDF): Define max IDF version for the component by @me-no-dev in #9703
feat(idf): Require esp_psram when as component by @me-no-dev in #9762
fix(idf): Require MDNS as public by @me-no-dev in #9764

Boards Updates & Additions

fix(3rd party board): Changed Board name to describe board more clearly by @SooDragon in #9773
Updated Smart Bee Boards for IDE2 & CLI by @strid3r21 in #9778
add upload_port vid/pid for Adafruit boards by @hathach in #9779
Addition (3rd_party_board): Add board support for Autosport Labs ESP32-CAN-X2 development board by @brentpicasso in #9683
fix(boards): Remove duplicate VID/PID from boards.txt and add default CDC/JTAG board by @me-no-dev in #9717
fix(variant): Arduino Nano ESP32 variant fix for core 3 by @JAndrassy in #9722
Updated UM boards for IDE2 & CLI by @UnexpectedMaker in #9726
feat(boards): Add Zigbee menu for all C6/H2 boards by @P-R-O-C-H-Y in #9754
Add missing parameter to esp32_family board for IDE1 by @me-no-dev in #9759
feat(partition): Add 4MB No File System partition scheme by @me-no-dev in #9769

Tooling

fix(release): install missing 'packaging' package by @me-no-dev in #9698
feat(tools):Use Windows native path separator in ESP_SR model copy command pattern by @per1234 in #9649
feat(tools): Updated get.py with ability to verify extracted files and skip if ok by @me-no-dev in #8720
fix(release): Shorten all toolchain names/versions by @me-no-dev in #9760

CI & Testing

ci(wokwi): Self host Wokwi CLI server by @lucasssvaz in #9701
fix(ci): Compare correct name of the artifact by @P-R-O-C-H-Y in #9708
ci(external_libs): Add ZACwire to External libraries compilation test by @lebuni in #9705
ci(external_libs): Add EthernetESP32 to ext. libraries compilation test by @JAndrassy in #9747
ci(sizes): Sites test between master and 2.x branch by @P-R-O-C-H-Y in #9755

Documentation

feat(reports): Update Issue-report.yml with new versions by @me-no-dev in #9699
change(readme): Update C6 and H2 support by @lucasssvaz in #9697
docs(libraries): Add new SoCs H2 and C6 to missing parts in docs by @P-R-O-C-H-Y in #9709
docs(component): Improve Arduino as component documentation by @lucasssvaz in #9765

Full Changelog: 3.0.0...3.0.1

New Contributors

@lebuni made their first contribution in #9705
@brentpicasso made their first contribution in #9683
@mathieucarbou made their first contribution in #9725

Thank you for your contribution 🎉

@me-no-dev

The Arduino ESP32 version 3.0.0-stable is based on the ESP-IDF v5.1.4 (release notes) and is major release introducing new SoCs & features support.

This release introduce breaking changes and support for new SoCs, ESP32-H2 and ESP32-C6. ESP32-C2 support added, for usage you need to build the libraries using ESP32 Arduino Lib builder.

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

Overview of major changes in 3.0.0 Release

in progress

Release notes of development releases

in progress

Libraries

Networking

fix(eth): Attach ETH events at the correct place by @me-no-dev in #9658
feat(eth): Enable the possibility to use SPI ETH with only 4 wires by @me-no-dev in #9659
fix(eth): Fix ETH.end() by @me-no-dev in #9661
fix(eth): Fix ETH.stop() with IDF SPI by @me-no-dev in #9693

Peripherals fixes

fix(adc): Remove masking for ADC channel number by @P-R-O-C-H-Y in #9692
fix(esp-hal-log):Provide a default TAG name for USE_ESP_IDF_LOG logging macro by @mairas in #9686

3rd party boards updates & editions

Update(3rd_party_board): Updated ESPDuino with extra options by @alexceltare2 in #9642
feat (3rd_party_board): add support for WeAct Studio ESP32C3 by @loozhengyuan in #9653
Nano ESP32: delete programmer.default entry (on main) by @pillo79 in #9666
feat(3rd_party_board):Add GPIO pin mappings for M5Stack CamS3 Unit and select OPI PSRAM by default by @tarosay in #9688

Documentation

docs(ledc.rst):Fixed outdated function signature (ledcWrite) by @leandromattioli in #9680

Tooling

Update Kconfig.projbuild to fix LittleFS selective compilation by @monte-monte in #9684
fix(release): Update merge_package.py by @me-no-dev in #9694

Full Changelog: 3.0.0-rc3...3.0.0

New Contributors

@loozhengyuan made their first contribution in #9653
@monte-monte made their first contribution in #9684
@leandromattioli made their first contribution in #9680
@tarosay made their first contribution in #9688
@mairas made their first contribution in #9686

Thanks for your contribution 🎉

Releases: espressif/arduino-esp32

Arduino Pre-Release v3.1.0-RC2 based on ESP-IDF v5.3.0+

System PR

Peripherals

UART

PSRAM

SDMMC

Ethernet

I2S

Touch

BLE

Libraries

LittleFS

Network Events

HTTP

ESPNow

Arduino Stream

Zigbee

Tone

OpenThread

Matter

RTOS

Wire

Boards Additions & Updates

CI & Testing

Documentation

Tooling

New Contributors

Contributors

Arduino Release v3.0.7 based on ESP-IDF v5.1.4+

Major changes

System PR

Libraries

CI & Testing

New Contributors

Contributors

Arduino Release v3.0.6 based on ESP-IDF v5.1.4+

Known issue

Major changes

System PR

Core related changes

Peripehrals

HardwareSerial

Libraries

AsyncUDP

DNS Server

Rainmaker

OpenThread

Wire

Zigbee

Boards updates and additions

CI & Testing

Examples

New Contributors

Contributors

Arduino Release v3.0.5 based on ESP-IDF v5.1.4+

Known issue

System PR

Arduino Lib-builder

Peripherals

UART

Timer

HAL RGB LED

LEDC

I2C

Tone

Stream

Libraries

Networking

USB

SD

OTA

Rainmaker

WebServer

ESP-NOW

FAT

3rd Party boards and additions

CI & Testing

Examples

Contributors

Full Changelog: `3.0.2...3.0.3`