Arduino Esp32 Versions Save

Arduino core for the ESP32

3.0.0-rc1

3 weeks ago

The Arduino ESP32 release candidate version 3.0.0-RC1 is based on the ESP-IDF v5.1 (release notes) and is major release supporting new version of ESP-IDF 5.1.

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

Major changes

IPv6 Support for ESP32 Arduino by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9016
3.0.0 Network Refactoring by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8760
Implement official Arduino IDE debugger API by @pillo79 in https://github.com/espressif/arduino-esp32/pull/9116
Feature: New Class MacAddress similar to IPAddress by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9304
Add ESP-NOW Arduino library by @P-R-O-C-H-Y and @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9395

Peripherals updates

UART

UART: fixes begin() after a previous begin() :: deleting previous RX/TX buffers and its data by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9095
HardwareSerial Available For Write by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9319
HardwareSerial:begin() changes RTS and CTS pins preventing detaching those pins by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9353
Fixes HW Serial attaching pins, PHY initialization, crash after end() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9365

I2C

Fix i2c compilation when #define CONFIG_DISABLE_HAL_LOCKS=1 by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9164
Fix ambiguous for TwoWire::requestFrom() methods and align API with Arduino.cc by @safocl in https://github.com/espressif/arduino-esp32/pull/8817

RMT

Adds RMT End of Transmission Level API by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9238
Update new RMT function rmtSetEOT(pin, EOT_Level) in the pin remap macros by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9266

LEDC

Add missing include for SemaphoreHandle_t to LEDC header file by @sgryphon in https://github.com/espressif/arduino-esp32/pull/9134
LEDC - Allow custom channel selection by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9031
feature(ledc): Add output invert option for LEDC pin + minor fixes by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9257

SPI

SPI - Allow detaching of some SPI pins without stopping SPI by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9117
SPI (fix): Adds SPI 3 to the ESP32-S2 and adds comments about it by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9216
Fix spiTransaction not updating clock line immediately (#9221) by @and3rson in https://github.com/espressif/arduino-esp32/pull/9333
Fix spiTransaction not updating clock line immediately (C2,C6,H2) by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9335

GPIO

Add methods to enable/disable GPIOs interrupt by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9025
Improve Log Messages in GPIO HAL by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9011
Add: make digitalRead() for RGB_BUILTIN work by @holgerlembke in https://github.com/espressif/arduino-esp32/pull/9419

HWCDC

Fixes the hardware cdc jtag plugged/unplugged status and related timeout/delay by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9275
fixes default 100ms delay with HWCDC write() is CDC is not connected by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9307
fix: perimgr + begin by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9331
fix: HW CDC write() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9401

Other peripherals changes

Fixes sigmaDeltaAttach() when another peripheral is already attached using the same pin by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9268
Fixed the String::lastIndexOf bug by @a1ext in https://github.com/espressif/arduino-esp32/pull/9003
Fixes EspClass::deepSleep(64 bits) by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9077
change(esp32): Added clearing of queue with unTone() by @tanakamasayuki in https://github.com/espressif/arduino-esp32/pull/9055
change(MD5Builder): Const-correctness. by @StefanOberhumer in https://github.com/espressif/arduino-esp32/pull/9104
Rework cbuf to use FreeRTOS Ringbuffer by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/7860
Update binary.h by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9323
core Server class back to Arduino Core API version by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9447

Libraries updates

Fix race condition in WiFiGenericClass::hostByName by @MattiasTF in https://github.com/espressif/arduino-esp32/pull/8672
ESPLwIPClient::setTimeout conflict fix with Stream::setTimeout by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/6676
Remove setTimeout from WifiClientSecure by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8998
WiFiClients.setConnectionTimeout added by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/8863
Add v6 support to IPAddress to match ArduinoCore-API by @sgryphon in https://github.com/espressif/arduino-esp32/pull/7174
Fix IPv6-only DNS by checking IPv6 first if have a public scope address by @sgryphon in https://github.com/espressif/arduino-esp32/pull/9443
Revert "WiFiSTA - allow using DHCP again after disconnecting static IP" by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/8873
undeprecate WiFiServer::available() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9027
WiFi.disconnect() "aligned with Aduino.cc". waiting for status change. by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9062
WiFiClient - assignment shouldn't stop connection by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9029
Revert "undeprecate available() (#9027)" by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9165
WiFiServer - don't inherit from Print and Server by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/8930
Improves WiFiMulti by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9139
Add support for hidden networks in WiFiMulti by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9202
feat(wifi): Add support for NAPT to WIFI AP by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9478
fix(ethernet): move event listener earlier to avoid missing event ETH_CONNECTED by @s-hadinger in https://github.com/espressif/arduino-esp32/pull/9481
fix(tls): Enable IPv6 support in ssl_client connect by @sgryphon in https://github.com/espressif/arduino-esp32/pull/9470
feat(dns): Check type of IP addresses and clear DNS cache if they changed by @sgryphon in https://github.com/espressif/arduino-esp32/pull/9476
WiFi.config handle Arduino parameters ordering and auto dns,gw,mask by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9425
Ensure that Static IP configuration for network interfaces is kept until STOP by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9445
WiFi BSSID getter fix by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9434
Use WiFi.mode to enable/disable the Network Interfaces by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9436
WiFiClient - rename flush() to clear() by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9453
ETH: Support physical address auto detection by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9313
Network refactoring - fix some IPv6 DNS issues by @sgryphon in https://github.com/espressif/arduino-esp32/pull/9439
Add option to specify AP auth mode and cipher by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9454
Add MacAddress string constructor by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9400
Add method to set the WiFi radio channel by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9405
Support for STARTLS/STARTSSL in-band transport upgrades/renegotation by @dirkx in https://github.com/espressif/arduino-esp32/pull/9100
[Enhancement] Support no-IRQ for SPI Ethernet W5500 by @TD-er in https://github.com/espressif/arduino-esp32/pull/9251
Fix NetworkManager compilation warning by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9452
feat(net): Add support for selecting the default network interface by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9457
feat(net): Add support for esp_netif flags by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9460

fix(esp32): Added a timeout option to the BLEClient's connect function by @LiveSparks in https://github.com/espressif/arduino-esp32/pull/9005
Fixes Pointer and Call using Serial BT callback by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9245

USB

Enable USB Serial only if selected by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9294
Fixes ESP32-S2 CDC Debug Logging by @SuGlider in https://github.com/espressif/arduino-esp32/pull/7284
fix: USB HID Keyboard raw report by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9473
Add more keys in USBHIDKeyboard by @andreock in https://github.com/espressif/arduino-esp32/pull/9190

SD

SD library: Fix format by @prplz in https://github.com/espressif/arduino-esp32/pull/9034
sd_diskio.cpp: return 0 instead of false when return type != bool by @everslick in https://github.com/espressif/arduino-esp32/pull/9075
fix(sd): AquireSPI lock in sdcard_uninit by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9468

Webserver

Fixes Malloc call in WebServer code by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9012
fix(webserver): Proposal for simplifying webserver file uploads via form POST. by @everslick in https://github.com/espressif/arduino-esp32/pull/9167
WebServer: Ignore extra headers within multipart forms by @tcsullivan in https://github.com/espressif/arduino-esp32/pull/9253
Web server simplifications and handers by @dirkx in https://github.com/espressif/arduino-esp32/pull/7429
Server Side Events by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9222
Handle large octet-stream (master branch) by @nathannau in https://github.com/espressif/arduino-esp32/pull/9440

Update

Fix ESP32-Solo WDT on HTTP OTA update by @arendst in https://github.com/espressif/arduino-esp32/pull/5426
Set Apache license to Update Library by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9446
Fix C2 compilation for Updater.cpp by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9228
Adds feature to decrypt uploaded image bin files. Used esp-idf to encrypt a bin file. by @theeprawn in https://github.com/espressif/arduino-esp32/pull/5807

Other libraries changes

Replace new with malloc for non-class calls by @mrengineer7777 in https://github.com/espressif/arduino-esp32/pull/7868
ESP-NOW: Fix examples and improve logging by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9455
DNSServer refactoring, switch to AsyncUDP by @vortigont in https://github.com/espressif/arduino-esp32/pull/7482
Added missing identifiers in esp_vfs_littlefs_conf_t by @lbernstone in https://github.com/espressif/arduino-esp32/pull/9046
Ticker updated to match extensions in ESP8266 API by @dok-net in https://github.com/espressif/arduino-esp32/pull/2849
ArduinoOTA upload intermittent failure fixed by @leifclaesson in https://github.com/espressif/arduino-esp32/pull/4657
Separated library sources in cmake for selective. by @AronRubin in https://github.com/espressif/arduino-esp32/pull/5136

Boards additions and updates

Update initialize script of 3rd Party Board "senseBox MCU-S2 ESP32-S2" by @bkari02 in https://github.com/espressif/arduino-esp32/pull/9000
(fix)Boards: Adafruit_Camera_ESP32-S3-Pin fixes by @ladyada in https://github.com/espressif/arduino-esp32/pull/9021
add heltec_wireless_tracker board by @Quency-D in https://github.com/espressif/arduino-esp32/pull/9080
Add MakerGo C3 SuperMini def by @DevZillion in https://github.com/espressif/arduino-esp32/pull/9050
ESP32-S3 PowerFeather Fixes by @powerfeatherdev in https://github.com/espressif/arduino-esp32/pull/9052
Add LED pin aliases to Arduino Nano ESP32 for portability by @sebromero in https://github.com/espressif/arduino-esp32/pull/9089
update m5stack boards define by @Gitshaoxiang in https://github.com/espressif/arduino-esp32/pull/9086
Create new pins_arduino.h and update boards.txt to add Heltec Wireless Tracker board by @jhiggason in https://github.com/espressif/arduino-esp32/pull/8725
Adds SparkFun Pro Micro C3 Variant File by @edspark in https://github.com/espressif/arduino-esp32/pull/9158
Add board support for Nologo ESP32C3 Super Mini by @imyelo in https://github.com/espressif/arduino-esp32/pull/9174
Add SparkFun ESP32-C6 Thing Plus Variant by @sfe-SparkFro in https://github.com/espressif/arduino-esp32/pull/9178
Add board support for Nologo ESP32S3 Pico by @imyelo in https://github.com/espressif/arduino-esp32/pull/9181
Added support for 2 new Olimex boards and updated 3 existing ones by @Stanimir-Petev in https://github.com/espressif/arduino-esp32/pull/9264
NodeMCU32-S Change default upload speed by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9277
Add Board support for Geekble ESP32-C3 Custom Module by @SooDragon in https://github.com/espressif/arduino-esp32/pull/9260
Add WT32-SC01 PLUS support by @c4801725870 in https://github.com/espressif/arduino-esp32/pull/9284
fix: Geekble mini board pin fix by @SooDragon in https://github.com/espressif/arduino-esp32/pull/9309
Add board definition for Wemos C3 Pico V1.0.0 - Lolin by @lboue in https://github.com/espressif/arduino-esp32/pull/9442
feat: Add board revisions V1/V2/V3 to Heltec Wireless Stick by @matthias-bs in https://github.com/espressif/arduino-esp32/pull/9205
Added Unexpected Maker BLING by @UnexpectedMaker in https://github.com/espressif/arduino-esp32/pull/9272
Add board support for Seeed XIAO ESP32C6 by @Maxwelltoo in https://github.com/espressif/arduino-esp32/pull/9330
Add variant for Waveshare ESP32-S3-Touch-LCD-1.28 by @deisterhold in https://github.com/espressif/arduino-esp32/pull/9386
Heltec ESP32 Series boards update by @Heltec-Aaron-Lee in https://github.com/espressif/arduino-esp32/pull/9367
feat: Add board support for ThingPulse ePulse Feather by @matthias-bs in https://github.com/espressif/arduino-esp32/pull/9256
feat: Rename Firebeetle ESP32 board definition by @matthias-bs in https://github.com/espressif/arduino-esp32/pull/9250
Added PSRAM menu on Olimex ESP32-DevKit-LiPo board by @Stanimir-Petev in https://github.com/espressif/arduino-esp32/pull/9451
Add board definition for ThingPulse ePulse Feather C6 by @squix78 in https://github.com/espressif/arduino-esp32/pull/9399
Define Wire1 pins for ESP32-S3 PowerFeather by @powerfeatherdev in https://github.com/espressif/arduino-esp32/pull/9431
Fixes for some boards which are failing CI test. by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9390

Examples

Example: ResetReason2 by @mrengineer7777 in https://github.com/espressif/arduino-esp32/pull/8105
Fix IDF component examples path by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8963
Wifi async scan example and fix by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8981
Added example to demonstrate using HardwareSerial with RS485 interfaces by @econeale in https://github.com/espressif/arduino-esp32/pull/8941
Change name to HWCDC_Events.ino (From HWSerial_Events.ino) by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9483
Add I2S examples and documentation by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9030
Update LittleFS Platformio example by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9151
Add Zigbee examples by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9024
Fix AdvancedWebServer.ino uptime conversion by @cydanil in https://github.com/espressif/arduino-esp32/pull/9224
feature: create a Trust on First Use example by @dirkx in https://github.com/espressif/arduino-esp32/pull/9103
Improve USBVendor Example by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9349
Added pin check in ETH examples to avoid redefinition by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9242
Fix indentation for UART BLE example by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9343
fix example(esp32): Set the maximum value of AnalogRead to 4095 by @tanakamasayuki in https://github.com/espressif/arduino-esp32/pull/9114
Fixing typo in DiscoverConnect.ino BluetoothSerial example by @akeemlh in https://github.com/espressif/arduino-esp32/pull/9389
Adds a new example: onReceiveExample.ino by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9415
Fixed "Invalid mbox" error in SimpleTime example by @kinoh in https://github.com/espressif/arduino-esp32/pull/9262
Matched pin numbers in doco to numbers in variants files by @lbernstone in https://github.com/espressif/arduino-esp32/pull/9422

Documentation

[Docs] Documentation migration from RTD to ESP-Docs by @pedrominatel in https://github.com/espressif/arduino-esp32/pull/9094
[Docs] Fix on the documentation preview deploy CI by @pedrominatel in https://github.com/espressif/arduino-esp32/pull/9109
Added isKey and getType methods to Preferences documentation by @Viproz in https://github.com/espressif/arduino-esp32/pull/9111
Docs: Fix Arduino as IDF Component instructions by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9001
[Docs] CI changed deploy server from preview to production by @pedrominatel in https://github.com/espressif/arduino-esp32/pull/9127
Redo: Docs (API): Adding a note to the Documentation and ReadMe about APIs compatibility by @VojtechBartoska in https://github.com/espressif/arduino-esp32/pull/9128
fix(doc): Delete the hall sensor of ESP32 by @tanakamasayuki in https://github.com/espressif/arduino-esp32/pull/9115
Fixed duplicated getType documentation. by @Viproz in https://github.com/espressif/arduino-esp32/pull/9141
[Docs] Change/clean the requirements file by @pedrominatel in https://github.com/espressif/arduino-esp32/pull/9196
migration guide: WiFiServer changes by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9458
[DOC] Add core compatibility guide by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9417
Fix documentation build instructions by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9350

Tooling improvements

3.0.0-alpha3 escaping fix by @lyusupov in https://github.com/espressif/arduino-esp32/pull/8968
fix(platform): use numbers in all recipe hooks (on master) by @pillo79 in https://github.com/espressif/arduino-esp32/pull/9220
IDF Component YAML fixes - Add license, include example + readme in ESP Registry by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9162
Fix compile branch master as Arduino as component with latest IDF 5.1 by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9322
Platformio add f_boot to build script by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9380
Implement get_board_f_image by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9243
Update mdns version. by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9295
add LittleFS part ID by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9340

CI & Testing

[CI] HW testing - install arduino-cli instead of Arduino IDE by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8961
CI: Adding Shared GitHub DangerJS linter by @VojtechBartoska in https://github.com/espressif/arduino-esp32/pull/8983
Fixes CI error in reset_reason.rst by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8982
[CI] ESP32 Arduino CI fixes for Windows runner by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8991
CI: Add peripheral manager test by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8811
[CI] Update workflows actions to latest versions with Node.js 20 by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9194
Remove -Werror=all from build flags, but enable it in CI by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9273
Add hardware tests results by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9332
Bump tj-actions/changed-files from 36 to 41 in /.github/workflows by @dependabot in https://github.com/espressif/arduino-esp32/pull/9060
Update upload and download artifact action to v4 by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9338

Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.0.0-alpha3...3.0.0-rc1

New Contributors

@MattiasTF made their first contribution in https://github.com/espressif/arduino-esp32/pull/8672
@sgryphon made their first contribution in https://github.com/espressif/arduino-esp32/pull/7174
@a1ext made their first contribution in https://github.com/espressif/arduino-esp32/pull/9003
@prplz made their first contribution in https://github.com/espressif/arduino-esp32/pull/9034
@dependabot made their first contribution in https://github.com/espressif/arduino-esp32/pull/9060
@sebromero made their first contribution in https://github.com/espressif/arduino-esp32/pull/9089
@Quency-D made their first contribution in https://github.com/espressif/arduino-esp32/pull/9080
@DevZillion made their first contribution in https://github.com/espressif/arduino-esp32/pull/9050
@StefanOberhumer made their first contribution in https://github.com/espressif/arduino-esp32/pull/9104
@jhiggason made their first contribution in https://github.com/espressif/arduino-esp32/pull/8725
@safocl made their first contribution in https://github.com/espressif/arduino-esp32/pull/8817
@edspark made their first contribution in https://github.com/espressif/arduino-esp32/pull/9158
@imyelo made their first contribution in https://github.com/espressif/arduino-esp32/pull/9174
@leifclaesson made their first contribution in https://github.com/espressif/arduino-esp32/pull/4657
@andreock made their first contribution in https://github.com/espressif/arduino-esp32/pull/9190
@LiveSparks made their first contribution in https://github.com/espressif/arduino-esp32/pull/9005
@arendst made their first contribution in https://github.com/espressif/arduino-esp32/pull/5426
@theeprawn made their first contribution in https://github.com/espressif/arduino-esp32/pull/5807
@cydanil made their first contribution in https://github.com/espressif/arduino-esp32/pull/9224
@matthias-bs made their first contribution in https://github.com/espressif/arduino-esp32/pull/9205
@tcsullivan made their first contribution in https://github.com/espressif/arduino-esp32/pull/9253
@kinoh made their first contribution in https://github.com/espressif/arduino-esp32/pull/9262
@SooDragon made their first contribution in https://github.com/espressif/arduino-esp32/pull/9260
@c4801725870 made their first contribution in https://github.com/espressif/arduino-esp32/pull/9284
@and3rson made their first contribution in https://github.com/espressif/arduino-esp32/pull/9333
@akeemlh made their first contribution in https://github.com/espressif/arduino-esp32/pull/9389
@squix78 made their first contribution in https://github.com/espressif/arduino-esp32/pull/9399
@deisterhold made their first contribution in https://github.com/espressif/arduino-esp32/pull/9386
@lboue made their first contribution in https://github.com/espressif/arduino-esp32/pull/9442

Thanks for your contribution! 🎉

2.0.15

3 weeks ago

The Arduino ESP32 version 2.0.15 is based on the ESP-IDF v4.4.7 (release notes) and is bug fix release for Arduino ESP32 Core version 2.X.X.

Known Issues

UART pins definition changed (breaking change) - (related issue with workaround)

Major changes & fixes

IDF 38eeba213a by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9339 (update to ESP-IDF v4.4.7)
backports HWCDC to v2.0.15 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9462
Fixes set pins return value in 2.0.13 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8644
feat: adds baudrate detection to S3 and C3 using LL API for all SoC by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9261
feat(uart): backports UART pin attachment from 3.0.0 to 2.0.15 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9176

Peripherals

fix(adc): Always use default read resolution in __analogReadMilliVolts by @bkari02 in https://github.com/espressif/arduino-esp32/pull/9006
Fixes issue related to writing RGB LED fast in a row by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9374
fix: UART0 boot pin setup by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9373
fix: HWCDC removed clearing USB Serial/JTAG interrupts during begin (#9316) by @kiran-desilva in https://github.com/espressif/arduino-esp32/pull/9344

Libraries

SD library: Fix format by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9124
Backport for v2.x : fix(sd): AquireSPI lock in sdcard_uninit by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9469
Adjust Update Library license by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9448
Backport fix linker failure by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9121
Add and init new LittleFS options by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9122
WebServer: use MD5Builder instead of mbedtls by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9123
Backport: simplifying webserver file uploads via form POST by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9211
Backport: ArduinoOTA upload intermittent failure fixed by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9215
Backport: Fix ESP32-Solo WDT on HTTP OTA update by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/9223
Handle large octet-stream by @nathannau in https://github.com/espressif/arduino-esp32/pull/9430

Boards additions and updates

Rename variants/heltec_wifi_kit_32_V3 to match entry in boards.txt. by @audiophyl in https://github.com/espressif/arduino-esp32/pull/8886
Add support for the MotorGo Mini board by @SwapnilPande in https://github.com/espressif/arduino-esp32/pull/9269
MotorGo Mini 1 - Update LED_STATUS to match latest board revision by @SwapnilPande in https://github.com/espressif/arduino-esp32/pull/9298
add senseBox MCU-S2 by @mariopesch in https://github.com/espressif/arduino-esp32/pull/9263
ESP32-S3 PowerFeather Support for v2.x by @powerfeatherdev in https://github.com/espressif/arduino-esp32/pull/9325
Define Wire1 pins for ESP32-S3 PowerFeather by @powerfeatherdev in https://github.com/espressif/arduino-esp32/pull/9398
backport: variants from 3.0.0 + fixes by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9381

Tooling

Support relative paths in UNIX search PATH by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8622
fix(platform): use numbers in all recipe hooks (on 2.x) by @pillo79 in https://github.com/espressif/arduino-esp32/pull/9219
Implement official Arduino IDE debugger API on 2.x by @pillo79 in https://github.com/espressif/arduino-esp32/pull/9118

Documentations

Added isKey documentation for the Preferences library by @Viproz in https://github.com/espressif/arduino-esp32/pull/9142

Full Changelog: https://github.com/espressif/arduino-esp32/compare/2.0.14...2.0.15

New Contributors

@audiophyl made their first contribution in https://github.com/espressif/arduino-esp32/pull/8886
@SwapnilPande made their first contribution in https://github.com/espressif/arduino-esp32/pull/9269
@kiran-desilva made their first contribution in https://github.com/espressif/arduino-esp32/pull/9344

Thanks for your contribution! 🎉

3.0.0-alpha3

4 months ago

The Arduino ESP32 pre-release version 3.0.0-aplha 3 is based on the ESP-IDF v5.1 (release notes) and is major release supporting new version of ESP-IDF 5.1. This release introduce breaking changes and support for new SoCs, ESP32-H2 and ESP32-C6.

ESP32-C2 support was added, for usage you need to build the libraries using ESP32 Arduino Lib builder.

Major changes

Add ESP32-C2 support by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/8881
[I2S][SR] Add new I2S library and Sound Recognition support by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8714
Zigbee protocol support by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8844
Fixes Rainmaker to be a Managed Component by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8842
IDF release/v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8865
IDF release/v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8943

Peripherals updates

UART

UART: Change default Serial1/2 pins and move definition to header by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8800
Fixes uart attach/detach by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8820
Serial as a #define by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8798
HardwareSerial::end(bool) review + Baud Rate detection review and example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8762

I2S

Makes MP3 header files public for I2S code by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8868
Add support for I2S Slot Mask by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8936
I2S fix missing perimanSetBusDeinit() by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8782

I2C

Fully guard I2C Slave in preparation for C2 support by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8882
Add lock in Wire.cpp to protect concurrent i2c transactions performed by different tasks by @mircopz in https://github.com/espressif/arduino-esp32/pull/8127

ADC

Fix ADC detach bus calibration handle error when not existing. by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8932

RMT

Update RMT initialization code by @diplfranzhoepfinger in https://github.com/espressif/arduino-esp32/pull/8927
RMT: Fix RMT TX interrupt level by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8813

Other peripherals changes

Neopixel fix by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8845
fix S3 cannot reset to bootrom with USB OTG due to new gpio deinit() by @hathach in https://github.com/espressif/arduino-esp32/pull/8880

Libraries updates

WiFiSTA - allow using DHCP again after disconnecting static IP by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/8848
WiFiSTA - new status constant WL_STOPPED by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/8849
WiFi.BSSID and scan result BSSID with parameter as in WiFi libraries by Arduino by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/8853
WiFiSTA - method setDNS as in WiFi libraries by Arduino by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/8854
WiFiServer - deprecate available(), use accept() everywhere by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/8860
Added WiFi Bandwidth Setting Methods for AP and STA modes. by @gonzabrusco in https://github.com/espressif/arduino-esp32/pull/7619
Add missing function getSocketOption by @rtpmsys in https://github.com/espressif/arduino-esp32/pull/7807

Bluetooth-classic: release BLE memory when BT classic only is requested by @ferbar in https://github.com/espressif/arduino-esp32/pull/8051
Added methods to remove service UUID from BLEAdvertising by @dpnebert in https://github.com/espressif/arduino-esp32/pull/8747
Kernel panic when delete BLEClient object with descriptor characteristic by @chesterkwan in https://github.com/espressif/arduino-esp32/pull/8010
Fixes BLEScanResults to be used by reference by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8759
BluetoothSerial: Fix SPP service mode by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8806
Fix linker failure when using BluetoothSerial on latest release with Arduino as Component. by @blackhack in https://github.com/espressif/arduino-esp32/pull/8784
Increase BT SPP task priority by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8859

USB

Added KEY_SPACE to USBHIDKeyboard.h by @lbernstone in https://github.com/espressif/arduino-esp32/pull/8920
Absolute mouse support (was #6331) by @tobozo in https://github.com/espressif/arduino-esp32/pull/8831
Make USBHIDKeyboard work at boot by @RefactorFactory in https://github.com/espressif/arduino-esp32/pull/6964
Add USB MIDI support to libraries/USB by @EleotleCram in https://github.com/espressif/arduino-esp32/pull/8166

Other libraries changes

Fix linker failure when using SPIFFS or LittleFS with Arduino as component by @blackhack in https://github.com/espressif/arduino-esp32/pull/8768
provide LittleFS feature grow_on_mount by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/8769
Supporting ETag http headers on static files by @mathertel in https://github.com/espressif/arduino-esp32/pull/7687
feat: adding possibility to manually set MD5 checksum and authorization for HTTP update by @vlastahajek in https://github.com/espressif/arduino-esp32/pull/7629
UpdateClass::setMD5 store expected md5 in lowercase by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8959

Other general changes

Add platform specific flash speed to magicFlashChipSpeed by @TD-er in https://github.com/espressif/arduino-esp32/pull/8864
Add 120Mhz cpu frequency option to setCpuFrequencyMhz() by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8956
Remove unsupported DOUT and QOUT options by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8805
Fix compilation when NO_GLOBAL_SERIAL is defined. by @everslick in https://github.com/espressif/arduino-esp32/pull/8933
Support relative paths in UNIX search PATH by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8938
Fix Wire.setClock() causing assert by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8777
Fix "fatal error: esp_partition.h: No such file or directory" by @Msq001 in https://github.com/espressif/arduino-esp32/pull/8787

Peripheral Manager improvements

Extend bus types and structure for Peripheral Manager by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8888
PeriMan: Improve log messages by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8812
fix: pin_remap: make periman APIs private and non-remapped by @pillo79 in https://github.com/espressif/arduino-esp32/pull/8940

Boards additions and updates

Add new uPesy boards as variant by @uPesy in https://github.com/espressif/arduino-esp32/pull/8778
Add the DFRobot Beetle ESP32C6 and the DFRobot FireBeetle2 ESP32C6 as two development boards by @wxzed in https://github.com/espressif/arduino-esp32/pull/8793
Added entry for octal flash S3 by @lbernstone in https://github.com/espressif/arduino-esp32/pull/8660
Add new UM TinyC6 board and re-ordered UM boards in boards.txt file. by @UnexpectedMaker in https://github.com/espressif/arduino-esp32/pull/8814
Set M5Stack Core2 Flash Mode to QIO by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8937
Update Adafruit boards by @hathach in https://github.com/espressif/arduino-esp32/pull/8897
correct adafruit metro esp32s3 pins for rev B by @hathach in https://github.com/espressif/arduino-esp32/pull/8903
Add support for ESP32-S3 PowerFeather by @powerfeatherdev in https://github.com/espressif/arduino-esp32/pull/8889
Adds support for missing Olimex boards by @Stanimir-Petev in https://github.com/espressif/arduino-esp32/pull/8896
add tinyuf2 partitions csv by @hathach in https://github.com/espressif/arduino-esp32/pull/8894
Added arduino uno backward compatibility pins by @alexceltare2 in https://github.com/espressif/arduino-esp32/pull/8833
Add senseBox MCU-S2 with ESP32S2 by @mariopesch in https://github.com/espressif/arduino-esp32/pull/8891
Fix Heltec boards build.board to be uppercase by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8958
Add support for the Arduino Nano ESP32 on 3.x branch by @pillo79 in https://github.com/espressif/arduino-esp32/pull/8909

Tools improvements

[REDO] Update espota.py by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8797

Documentation & Examples

[Docs] Add Migration guide + some API updates by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8716
Removed YML file and changed the YAML file structure by @pedrominatel in https://github.com/espressif/arduino-esp32/pull/8785
[Docs] Fixed the RTD theme and core version by @pedrominatel in https://github.com/espressif/arduino-esp32/pull/8794
[Docs] Add ESP32C6 + ESP32H2 by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8799
Fix of Readme by @VojtechBartoska in https://github.com/espressif/arduino-esp32/pull/8852
Update/upgrade OTAWebUpdater.ino example by @lbernstone in https://github.com/espressif/arduino-esp32/pull/8839
Update boards.rst by @VojtechBartoska in https://github.com/espressif/arduino-esp32/pull/8851
Update warning note about PlatformIO related issues by @VojtechBartoska in https://github.com/espressif/arduino-esp32/pull/8866
Added troubleshooting doc for USB-CDC by @lbernstone in https://github.com/espressif/arduino-esp32/pull/8840
Added the Google Analytics ID in the configuration file by @pedrominatel in https://github.com/espressif/arduino-esp32/pull/8915
Add documentation on threading issues with WiFi.onEvent() to examples by @egnor in https://github.com/espressif/arduino-esp32/pull/8081
Added example 'get mac address' by @dpnebert in https://github.com/espressif/arduino-esp32/pull/8618
Adding a note to allow access to PR secrets into PR template by @VojtechBartoska in https://github.com/espressif/arduino-esp32/pull/8948
Add Arduino as Component examples by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8878

CI

CI: Add UART test by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8801
[CI] Add to Boards Test check if build.board is uppercase by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8950

Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.0.0-alpha2...3.0.0-alpha3

New Contributors

@blackhack made their first contribution in https://github.com/espressif/arduino-esp32/pull/8768
@Msq001 made their first contribution in https://github.com/espressif/arduino-esp32/pull/8787
@TD-er made their first contribution in https://github.com/espressif/arduino-esp32/pull/8864
@powerfeatherdev made their first contribution in https://github.com/espressif/arduino-esp32/pull/8889
@mariopesch made their first contribution in https://github.com/espressif/arduino-esp32/pull/8891
@mircopz made their first contribution in https://github.com/espressif/arduino-esp32/pull/8127
@diplfranzhoepfinger made their first contribution in https://github.com/espressif/arduino-esp32/pull/8927
@dpnebert made their first contribution in https://github.com/espressif/arduino-esp32/pull/8618
@chesterkwan made their first contribution in https://github.com/espressif/arduino-esp32/pull/8010
@EleotleCram made their first contribution in https://github.com/espressif/arduino-esp32/pull/8166

Thanks for your contribution! 🎉

3.0.0-alpha2

6 months ago

The Arduino ESP32 pre-release version 3.0.0-aplha 2 is based on the ESP-IDF v5.1 (release notes) and is major release supporting new version of ESP-IDF 5.1. This release introduce breaking changes and support for new SoCs, ESP32-H2 and ESP32-C6.

Major changes

Fixes installation on ArduinoIDE 1.x and RV toolchain on Windows
Update toolchains to use the tar.gz format for IDE1 compatibility by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8757
Rename the RV32 toolchain on release to fit paths in GCC limit by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8750

Other changes

Fix standalone component build and enable CI check for it by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8743
Add the sketch folder as the first include search path by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8734
IDF release/v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8758

Boards additions and updates

Add SparkFun ESP32-C6 Qwiic Pocket Development Board Variant by @sfe-SparkFro in https://github.com/espressif/arduino-esp32/pull/8754
Fixed bug for LilyGo T-display on boards.txt by @thebear132 in https://github.com/espressif/arduino-esp32/pull/8744

Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.0.0-alpha1...3.0.0-alpha2

New Contributors

@thebear132 made their first contribution in https://github.com/espressif/arduino-esp32/pull/8744

Thanks for your contribution! 🎉

3.0.0-alpha1

6 months ago

The Arduino ESP32 pre-release version 3.0.0-aplha is based on the ESP-IDF v5.1 (release notes) and is major release supporting new version of ESP-IDF 5.1. This release introduce breaking changes and support for new SoCs, ESP32-H2 and ESP32-C6.

Known issues of this release

If you are a Linux or MacOS user, it is mandatory to use Arduino IDE v2 or arduino-cli for the package installation. Arduino IDE v1 currently fails due to limitations related to archive compression.

Breaking changes of 3.0.0 Release

This version introduce breaking changes in this particular APIs:

ADC
BLE
Hall Sensor (not supported)
I2S
LEDC
RMT
SigmaDelta
Timer
UART (HardwareSerial)

For more details please refer to Migration Guide from version 2.x to 3.0.

Major changes

ESP-IDF v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/7733
Initial support for ESP32-H2
Initial support for ESP32-C6 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8337
API drivers refactoring to support ESP-IDF v5.1 APIs
Implementations of Peripheral Manager

APIs changes & updates

ADC refactoring by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/7827
TIMER refactoring by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/7904
[Arduino Core 3.0.0] RMT IDF5.1 Refactoring #7994 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/7994
[Arduino Core 3.0.0] Fixes UART to work with any APB Freq by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8097
LEDC Refactoring - Peripheral manager implemented by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8126
TIMER - add timer_started flag, fix timerEnd() + timer HW test by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8135
DAC - Added missing deinit of previous bus by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8180
Update esp32-hal-rmt.c by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8216
LEDC - Memory fix by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8264
LEDC Fade implementation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8338
ESP32-C6 Fixes Settings for RMT and UART source clock by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8340
Fixes RMT filter & idle timing and setup by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8359
SPI fix for C6 branch by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8367
Removed duplicate TX1 define for ESP32H2 by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8402
Fixing UART1 pins for esp-idf-v5.1-libs by @petergjoel in https://github.com/espressif/arduino-esp32/pull/8477
[ETH] Implement SPI support, multiple interfaces and more by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8575
Analog Continuous mode API by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8715
BLE upgrades by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8724

Peripheral Manager implementations

Description of Peripheral Manager is available here.

TOUCH - Peripheral manager implementation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8129
GPIO - Peripheral manager implementation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8179
I2C - Peripheral manager implementation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8220
SPI - Peripheral manager implementation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8255
SPI - Peripheral manager fix by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8279
SDMMC - Peripheral manager implementation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8289
ETHERNET - Peripheral manager implementation by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8297
Adds USB to Peripheral Manager - Arduino Core 3.0.0 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8335
Adds HardwareSerial to Peripheral Manager - Arduino 3.0.0 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8328
Enforces more consistency into Peripheral Manager by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8188
3.0.0 - UART Peripheral Manager + Detach UART pins on begin()/setPins() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8719

Other changes

Makes F_CPU generic for all SoC by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8007
Fixes APLL/PLL with RTC Frequency by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8025
Add workflow to build executables from python scripts by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8290
Add checks for SOC defines by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8351
Updated FreeRTOS names by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8418
MD5 memory leak fix by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8486
Add support for custom panic handler by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8574
HTTPClient - Fix case sensitiveness for header keys by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8630
Fix memory leak and undefined behavour in Updater.cpp (UpdaterClass) by @MathewHDYT in https://github.com/espressif/arduino-esp32/pull/8671
Serial reorganization code for RS-485 Mode, Flow Control Mode and Serial Mode by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8718
Add support for custom panic handler by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8711
Add printf method with FlashStringHelper argument by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8677
WebServer: use MD5Builder instead of mbedtls by @Staars in https://github.com/espressif/arduino-esp32/pull/8667
BT serial: SSP improvements, added missing events by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8723
fix flash mode read out for C6 by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/8517
Update PlatformIO scripts for the upcoming 3.0 core by @valeros in https://github.com/espressif/arduino-esp32/pull/8183
WiFiGeneric CrashFix 5.1-libs by @mrengineer7777 in https://github.com/espressif/arduino-esp32/pull/8044
include ctime by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/8722

Boards additions and updates

Master5.1 s3 gpio48 and platform txt review by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8726
Fix pin attachInterrupt(digitalPinToInterrupt(48)) on all S3 based SOCs by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8600
added namino bianco board + other fix on menus by @a-sapuppo in https://github.com/espressif/arduino-esp32/pull/8730

Examples

Adds missing pinMode by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8312
fixes preprocessor test by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8485
[All Arduino Cores] Adds HardwareSerial Example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8095
SD_MMC update by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8298
Add TFLite Micro examples by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8717

Documentation and CI

[Docs] ADC and Timer API Update (+some docs fixes) by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/7906
HW Testing - Pytest update by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8389
HW Testing - ESP32-C6 + ESP32-H2 fixes by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8404
Update README.md to add new SoCs by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8727
Add Arduino lib to arduino as IDF component by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8721
Update of documentation link on readme.md for WifiClientSecure by @benlye in https://github.com/espressif/arduino-esp32/pull/8441
Add Arduino lib to arduino as IDF component by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8721
Update release script for 3.0.0 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8728
Print full chip report when log level is sufficient by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8282
Backport some fixes from esp-idf-v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/7762

Note: Due to merging development branch into master branch, the changelog does not include all the changes.

Full Changelog: https://github.com/espressif/arduino-esp32/compare/2.0.14...3.0.0-alpha1

New Contributors

@MathewHDYT made their first contribution in https://github.com/espressif/arduino-esp32/pull/8671
@benlye made their first contribution in https://github.com/espressif/arduino-esp32/pull/8441
@Staars made their first contribution in https://github.com/espressif/arduino-esp32/pull/8667

Thanks for your contribution! 🎉

2.0.14

7 months ago

The Arduino ESP32 version 2.0.14 is based on the ESP-IDF v4.4.6 (release notes) and is bug fix release for Arduino ESP32 Core version 2.X.X.

Major changes & fixes

Update ESP-IDF to v4.4.6 (with I2S Rollback) by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/8701
WiFiClient - Properly initialize and check _rxBuffer by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8699

Minor changes

Fix BTAdvertisedDeviceSet::toString() method output by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8691

Boards additions and updates

Corrected pins_arduino.h for Lolin_s3 by @f-io in https://github.com/espressif/arduino-esp32/pull/8659
Add IOXESP32 board family and ATD1.47-S3 board by @maxpromer in https://github.com/espressif/arduino-esp32/pull/8646
Add Additional Adafruit boards including the new Qualia ESP32-S3 and Camera ESP32-S3 by @makermelissa in https://github.com/espressif/arduino-esp32/pull/8696

Documentations

Update of "Arduino Style Guide" link on contributing.rst by @supcik in https://github.com/espressif/arduino-esp32/pull/8695
Fix Markdown table format error in SD_MMC's documentation by @raspiduino in https://github.com/espressif/arduino-esp32/pull/8639
Fix Mardown table format error in SD library by @raspiduino in https://github.com/espressif/arduino-esp32/pull/8640
Documentation - Update supported IDEs and general improvements by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8606

Full Changelog: https://github.com/espressif/arduino-esp32/compare/2.0.13...2.0.14

New Contributors

@f-io made their first contribution in https://github.com/espressif/arduino-esp32/pull/8659
@raspiduino made their first contribution in https://github.com/espressif/arduino-esp32/pull/8639
@makermelissa made their first contribution in https://github.com/espressif/arduino-esp32/pull/8696

Thanks for your contribution! 🎉

2.0.13

7 months ago

The Arduino ESP32 version 2.0.13 is based on the ESP-IDF v4.4.5 (release notes) and is bug fix release for Arduino ESP32 Core version 2.X.X.

Major changes

Set ref to 2.0.13 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8615
Uart detach 2.0.13 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8629
removes delay(10) from HardwareSerial::end() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8634

Minor changes

Disable Ethernet library if CONFIG_ETH_ENABLED not defined in sdkconfig.h by @arkhipenko in https://github.com/espressif/arduino-esp32/pull/8595
v2.x - HTTPClient - Fix case sensitiveness for header keys by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8632

Boards additions and updates

lilygo-t-display : rename pins_arduino.h.txt to pins_arduino.h by @PBrunot in https://github.com/espressif/arduino-esp32/pull/8608
M5CoreS3 board and partitions update by @tobozo in https://github.com/espressif/arduino-esp32/pull/8276

Full Changelog: https://github.com/espressif/arduino-esp32/compare/2.0.12...2.0.13

Thanks for your contribution! 🎉

2.0.12

8 months ago

The Arduino ESP32 version 2.0.12 is based on the ESP-IDF v4.4.5 (release notes) and is last planned bug fix release for Arduino ESP32 Core version 2.X.X.

Major changes

Fixes ESP32 BT Memory Releasing by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8551
Fix I2S crackling in 2.x by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/8583
Allows changing HW CDC Buffer Size after or before begin() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8559
Fix pin attachInterrupt(digitalPinToInterrupt(48)) on all S3 based SOCs by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8600

Other minor changes

Removed duplicate MDNS.begin() call in example by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8513
Reimplemented flush in WiFiClient by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8541
SD lib - AcquireSPI on ff_sd_status by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8536
When FFat is mounted before SD, then filesystem reports wrong system sizes by @holgerlembke in https://github.com/espressif/arduino-esp32/pull/8520
ledc.c: Fix analogWrite() last channel available verification by @rlipas in https://github.com/espressif/arduino-esp32/pull/8509
GPIO - make pin mode output_open_drain state readable by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8592

Boards additions & updates

Added a partition table for 32MB ESP32-S3 (4.8/4.8/24) by @lbernstone in https://github.com/espressif/arduino-esp32/pull/8498
Nano ESP32: add debug support by @pillo79 in https://github.com/espressif/arduino-esp32/pull/8567
Nano ESP32 file system option by @pillo79 in https://github.com/espressif/arduino-esp32/pull/8566
Nano ESP32: add pin numbering option by @pillo79 in https://github.com/espressif/arduino-esp32/pull/8565
added lilygo t-display (esp32-based) board definition by @PBrunot in https://github.com/espressif/arduino-esp32/pull/8533
Update partition_table.rst with Variants Folder detail by @James-4DSystems in https://github.com/espressif/arduino-esp32/pull/8531
New 3rd Party Boards - 4D Systems by @James-4DSystems in https://github.com/espressif/arduino-esp32/pull/8530
Small pin updates for MatrixPortal S3 by @ladyada in https://github.com/espressif/arduino-esp32/pull/8521
Added new UM NanoS3 board. by @UnexpectedMaker in https://github.com/espressif/arduino-esp32/pull/8487
add Adafruit metro S3 16MB Flash, 8MB PSRam by @hathach in https://github.com/espressif/arduino-esp32/pull/8478
add 'NO_GLOBAL_UPDATE' define to disable global UpdateClass instance by @vortigont in https://github.com/espressif/arduino-esp32/pull/8500
feature(m5stack-atom): allow events and loop on core0 in boards.txt by @GautierAtWork in https://github.com/espressif/arduino-esp32/pull/8462
Fix for issue #8185 (added SPI default pins for M5Stack Stamp S3 board) by @bsergei in https://github.com/espressif/arduino-esp32/pull/8187
new industrial boards namino rosso / namino arancio by @a-sapuppo in https://github.com/espressif/arduino-esp32/pull/8582
Adding New Lion:Bit STEM Board by @PradeepKotu in https://github.com/espressif/arduino-esp32/pull/8569
Added support for the Aventen S3 Sync by @avencan in https://github.com/espressif/arduino-esp32/pull/8587

Documentation & CI

Update adc.rst by @w3jc in https://github.com/espressif/arduino-esp32/pull/8493
Doc update: Troubleshooting + SD libs by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8241
[CI] Fix allboards.yml workflow to use selected branch by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/8594

Full Changelog: https://github.com/espressif/arduino-esp32/compare/2.0.11...2.0.12

Thanks everyone for contributing! 🎉

2.0.11

9 months ago

The Arduino ESP32 version 2.0.11 is based on the ESP-IDF v4.4.5 (release notes) and includes quick bug fixes release.

Major change

Fix for build path (2.0.10 escaping fix by @pillo79 in https://github.com/espressif/arduino-esp32/pull/8433)

Other minor changes

Add .readthedocs.yaml configuration file by @pedrominatel in https://github.com/espressif/arduino-esp32/pull/8352
Add v2.0.10 into issue template by @VojtechBartoska in https://github.com/espressif/arduino-esp32/pull/8425

Full Changelog: https://github.com/espressif/arduino-esp32/compare/2.0.10...2.0.11

2.0.10

9 months ago

The Arduino ESP32 version 2.0.10 is based on the ESP-IDF v4.4.5 (release notes) and includes mainly bug fixes and new boards support.

Changes

Here is a summary of the major changes.

Main fixes

Fixes HWCDC::end() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8247
Fixes crash when calling twice HWCDC::end() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8332
fixes ESP32-C3 WiFiProv and btInUse() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8243
Provisioning fix and upgrades by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8209
rainmaker: multiple device callbacks not getting registered by @sanketwadekar in https://github.com/espressif/arduino-esp32/pull/8249
Fix for timeout issues on WebServer.cpp by @supersjellie in https://github.com/espressif/arduino-esp32/pull/8319

New Boards support & boards updates

Add Arduino Nano ESP32 target by @facchinm in https://github.com/espressif/arduino-esp32/pull/8417
Added support for M5Stamp Pico from M5Stack by @MWolfahrt in https://github.com/espressif/arduino-esp32/pull/8301
Create M5CoreS3 pins_arduino.h and board by @Tinyu-Zhao in https://github.com/espressif/arduino-esp32/pull/8161
add Adafruit QT PY S3 with 4MB flash 2 MB PSRAM by @hathach in https://github.com/espressif/arduino-esp32/pull/8370
Add board: Adafruit MatrixPortal ESP32-S3 by @PaintYourDragon in https://github.com/espressif/arduino-esp32/pull/8230
I have added support for the DFRobot Romeo ESP32-S3 board. by @fary99 in https://github.com/espressif/arduino-esp32/pull/8195
Add board: Nebula S3 by @DocMonster7 in https://github.com/espressif/arduino-esp32/pull/8257
Olimex ESP32-GATEWAY fixes in boards.txt and pins_arduino.h by @DanKoloff in https://github.com/espressif/arduino-esp32/pull/8395

Examples & Documentation

Updated preferences and FAQ documentation (added SPIFFS) by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8150
Add TWAI transmit example by @designer2k2 in https://github.com/espressif/arduino-esp32/pull/8360
Fixes Serial Example and Adds a new std:func Serial Example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8409
Functional interrupt fix by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8175

Here is a complete list of all changes.

What's Changed

Add v2.0.9 into Issue Template by @mrengineer7777 in https://github.com/espressif/arduino-esp32/pull/8156
Functional interrupt fix by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8175
Create M5CoreS3 pins_arduino.h and board by @Tinyu-Zhao in https://github.com/espressif/arduino-esp32/pull/8161
Updated preferences and FAQ documentation (added SPIFFS) by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8150
HardwareSerial: fix begin() lock issue on error path by @pillo79 in https://github.com/espressif/arduino-esp32/pull/8182
Fixes HWCDC::end() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8247
fixes ESP32-C3 WiFiProv and btInUse() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8243
I have added support for the DFRobot Romeo ESP32-S3 board. by @fary99 in https://github.com/espressif/arduino-esp32/pull/8195
Add board: Adafruit MatrixPortal ESP32-S3 by @PaintYourDragon in https://github.com/espressif/arduino-esp32/pull/8230
Add board: Nebula S3 by @DocMonster7 in https://github.com/espressif/arduino-esp32/pull/8257
Provisioning fix and upgrades by @PilnyTomas in https://github.com/espressif/arduino-esp32/pull/8209
rainmaker: multiple device callbacks not getting registered by @sanketwadekar in https://github.com/espressif/arduino-esp32/pull/8249
Update ledc.rst by @w3jc in https://github.com/espressif/arduino-esp32/pull/8218
Fixes crash when calling twice HWCDC::end() by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8332
Fix for timeout issues on WebServer.cpp by @supersjellie in https://github.com/espressif/arduino-esp32/pull/8319
add Adafruit QT PY S3 with 4MB flash 2 MB PSRAM by @hathach in https://github.com/espressif/arduino-esp32/pull/8370
Added support for M5Stamp Pico from M5Stack by @MWolfahrt in https://github.com/espressif/arduino-esp32/pull/8301
Update gpio.rst Documentation: typo in function name 'attachInterrupt' by @schrolli in https://github.com/espressif/arduino-esp32/pull/8336
Add TWAI transmit example by @designer2k2 in https://github.com/espressif/arduino-esp32/pull/8360
Olimex ESP32-GATEWAY fixes in boards.txt and pins_arduino.h by @DanKoloff in https://github.com/espressif/arduino-esp32/pull/8395
Fixes Serial Example and Adds a new std:func Serial Example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/8409
set _use_insecure back to false in setCACert method on WiFiClientSecure.cpp by @tuan-karma in https://github.com/espressif/arduino-esp32/pull/8386
Set MATRIX_DETACH_* values based on TRM by @colincross in https://github.com/espressif/arduino-esp32/pull/8345
Soft-AP: get subnet mask by @rstephan in https://github.com/espressif/arduino-esp32/pull/8358
Add Arduino Nano ESP32 target by @facchinm in https://github.com/espressif/arduino-esp32/pull/8417

Thanks to all new Contributors 🎉

New Contributors

@pillo79 made their first contribution in https://github.com/espressif/arduino-esp32/pull/8182
@fary99 made their first contribution in https://github.com/espressif/arduino-esp32/pull/8195
@PaintYourDragon made their first contribution in https://github.com/espressif/arduino-esp32/pull/8230
@DocMonster7 made their first contribution in https://github.com/espressif/arduino-esp32/pull/8257
@w3jc made their first contribution in https://github.com/espressif/arduino-esp32/pull/8218
@supersjellie made their first contribution in https://github.com/espressif/arduino-esp32/pull/8319
@MWolfahrt made their first contribution in https://github.com/espressif/arduino-esp32/pull/8301
@schrolli made their first contribution in https://github.com/espressif/arduino-esp32/pull/8336
@designer2k2 made their first contribution in https://github.com/espressif/arduino-esp32/pull/8360
@DanKoloff made their first contribution in https://github.com/espressif/arduino-esp32/pull/8395
@tuan-karma made their first contribution in https://github.com/espressif/arduino-esp32/pull/8386
@colincross made their first contribution in https://github.com/espressif/arduino-esp32/pull/8345
@rstephan made their first contribution in https://github.com/espressif/arduino-esp32/pull/8358
@facchinm made their first contribution in https://github.com/espressif/arduino-esp32/pull/8417

Full Changelog: https://github.com/espressif/arduino-esp32/compare/2.0.9...2.0.10

Arduino Esp32 Versions Save

3.0.0-rc1

Major changes

Peripherals updates

UART

I2C

RMT

LEDC

SPI

GPIO

HWCDC

Other peripherals changes

Libraries updates

WiFi (Network) related

Bluetooth & BLE related

USB

SD

Webserver

Update

Other libraries changes

Boards additions and updates

Examples

Documentation

Tooling improvements

CI & Testing

New Contributors

2.0.15

Known Issues

Major changes & fixes

Peripherals

Libraries

Boards additions and updates

Tooling

Documentations

New Contributors

3.0.0-alpha3

Major changes

Peripherals updates

UART

I2S

I2C

ADC

RMT

Other peripherals changes

Libraries updates

WiFi related

Bluetooth & BLE related

USB

Other libraries changes

Other general changes

Peripheral Manager improvements

Boards additions and updates

Tools improvements

Documentation & Examples

CI

New Contributors

3.0.0-alpha2

Major changes

Other changes

Boards additions and updates

New Contributors

3.0.0-alpha1

Known issues of this release

Breaking changes of 3.0.0 Release

Major changes

APIs changes & updates

Peripheral Manager implementations

Other changes

Boards additions and updates

Examples

Documentation and CI

New Contributors

2.0.14

Major changes & fixes

Minor changes

Boards additions and updates

Documentations

New Contributors

2.0.13

Major changes