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 https://github.com/espressif/arduino-esp32/pull/9770
• fix(version): Update version to 3.0.2 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9902
• IDF release/v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9928
• IDF release/v5.1 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9900

Components

• feat(crypto): Add libsodium to the included components by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9821
• feat(uart): Add esp-modbus to the included components by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9855

Libraries

BLE

• fix(BLE): Arduino String shall not be used within std::map<> by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9875
• Adds BLE Characteristic User Description 0x2901 Descriptor by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9883

BluetoothSerial

• BluetoothSerial - Reduce bluetooth serial flush delay by @vincadrn in https://github.com/espressif/arduino-esp32/pull/9905

OpenThread

• New OpenThread CLI Arduino Library for ESP32-C6 and ESP32-H2 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9908

Networking

• fix(client): Implement readBytes in NetworkClient for faster downloads by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9824
• fix(client): Fix NetworkClient::localIP() by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9845
• fix(wifi): Fix WiFi setTxPower and getTxPower by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9862
• ClientSecure.available() fix for connection closed by remote socket by @JAndrassy in https://github.com/espressif/arduino-esp32/pull/9869
• feat(net): Switch to typedefs for WiFiClient, WiFiServer, WiFiUdp and WiFiClientSecure by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9909

SDMMC

• feat(sdmmc): Add RAW disk functions by @lbernstone in https://github.com/espressif/arduino-esp32/pull/9796

HTTPClient

• feat(http): Allow to set Accept-Encoding header by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9863
• HTTPClient lib - add HTTPCLIENT_NOSECURE build flag by @vortigont in https://github.com/espressif/arduino-esp32/pull/9893

NetBIOS

• fix(netbios): Return interface address for NetBIOS name lookup by @earlephilhower in https://github.com/espressif/arduino-esp32/pull/9885

WebServer

• Added support for removing routes in WebServer library by @ayushsharma82 in https://github.com/espressif/arduino-esp32/pull/9832
• feat: added support for filters in WebServer library by @ayushsharma82 in https://github.com/espressif/arduino-esp32/pull/9842
• fix: removeRoute should remove all matching routes (WebServer) by @ayushsharma82 in https://github.com/espressif/arduino-esp32/pull/9851

OTA

• fix(ota): Magic byte check fails with encrypted firmware by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9852
• fix(ota): Allow password and partition change while idle by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9853

Peripherals

ADC

• fix (adc): fixes limit test by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9807

RMT

• feat(rmt): Solve neopixel issue by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9906

Boards additions & updates

• Added new UM FeatherS3 Neo board. by @UnexpectedMaker in https://github.com/espressif/arduino-esp32/pull/9788
• fix(xtal): Add a way to change the XTAL frequency for SparkFun ESP32 Thing by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9844
• change (3rd_party_board): XIAO_C3 delete the definition of pin A3 by @Lesords in https://github.com/espressif/arduino-esp32/pull/9798
• Add (3rd party board): DPTechnics Walter board support by @vThibo in https://github.com/espressif/arduino-esp32/pull/9817
• add(board): Add LILYGO T-ETH-Lite by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9865
• fix(boards): set XTAL 26MHz for Heltec WiFi & LoRa V1 by @yoursunny in https://github.com/espressif/arduino-esp32/pull/9889
• PPP: Make modem reset delay configurable by @tl-sl in https://github.com/espressif/arduino-esp32/pull/9910
• Add variant for Elecrow CrowPanel 7.0" by @lboue in https://github.com/espressif/arduino-esp32/pull/9897
• fix(boards): boards.txt error by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9930

CI & Testing

• ci(refactor): Refactor workflows and skip files by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9696
• ci(wifi): Add scan to wifi test by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9805
• ci(refactor): Fix workflows and small improvements by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9793
• ci(boards): Add cache for libs by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9877
• ci(tools): Fix tools workflows by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9846
• fix(ci): Fix issues found in workflows by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9829
• ci(tests): Avoid the use of pull_request_target where possible by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9899

Examples

• Deep Sleep Example Fix by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9904
• fix: Update the root certificate for the BasicHttpsClient example by @a-grealish in https://github.com/espressif/arduino-esp32/pull/9857
• change(idf): Rename component example and fix compilation warnings by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9801
• fix(time): Fix SimpleTime to also use time servers from DHCP by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/9886

Documentation

• fix(readme): Fix tests badge by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9781
• docs(i2s): Fix I2S documentation example by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/9916
• Update boards.rst by @SuGlider in https://github.com/espressif/arduino-esp32/pull/9925
• docs(preferences): Fix getBool function by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/9901

Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.0.1...3.0.2

New Contributors

• @ayushsharma82 made their first contribution in https://github.com/espressif/arduino-esp32/pull/9832
• @Lesords made their first contribution in https://github.com/espressif/arduino-esp32/pull/9798
• @vThibo made their first contribution in https://github.com/espressif/arduino-esp32/pull/9817
• @a-grealish made their first contribution in https://github.com/espressif/arduino-esp32/pull/9857
• @vincadrn made their first contribution in https://github.com/espressif/arduino-esp32/pull/9905
• @tl-sl made their first contribution in https://github.com/espressif/arduino-esp32/pull/9910

Thanks everyone for your contribution! 🎉