What's Changed

• Fixes String(float) issue with Stack Smashing by @SuGlider in Fixes String(float) issue with Stack Smashing #6138
• Allows user to bypass PSRAM test and boot faster with WROVER by @SuGlider in Allows user to bypass PSRAM test and boot faster with WROVER #6135
• Fixes UART MODBUS and Loopback issue by @SuGlider in Fixes UART MODBUS and Loopback issue #6133
• Adds UART RX IRQ Callback with onReceive() by @SuGlider in Adds UART RX IRQ Callback with onReceive() #6134
• NTP Examples: revert obsolete comment and updated Time example by @vortigont in NTP Examples: revert obsolete comment and updated Time example #6073
• Add variantInit setups for adafruit boards by @ladyada in Add variantInit setups for adafruit boards #6076
• Print.flush() - Arduino API conformance by @JAndrassy in Print.flush() - Arduino API conformance #6084
• Add KSZ8041 support by @Darek7D in Add KSZ8041 support #6087
• BUGFIX - Sd check status by @P-R-O-C-H-Y in BUGFIX - Sd check status #6103
• Versions and feature Request Template updates by @VojtechBartoska in Versions and feature Request Template updates #6096
• Fix I2C Slave Compile by @mrengineer7777 in Fix I2C Slave Compile #6108
• Consistently change device index to singed integer in BluetoothSerial lib by @iltis42 in Consistently change device index to singed integer in BluetoothSerial lib #6109
• WIFI STA AutoReconnect fix for assocfail reason, Proposed fix for ESP32 WiFi.begin works only every second time - workaround #2501 by @tablatronix in WIFI STA AutoReconnect fix for assocfail reason, Proposed fix for #2501 #6113
• Add Core Debug Level option to Tools menu for all boards in boards.txt by @gcweeks in Add Core Debug Level option to Tools menu for all boards in boards.txt #6110
• ci: Miscellaneous improvements by @Ouss4 in ci: Miscellaneous improvements #6132
• IDF release/v4.4 by @me-no-dev in IDF release/v4.4 #6075
• Implement Ticker::active() by @everslick in Implement Ticker::active() #6148
• Add LionBit Dev Board. by @niwantha33 in Add LionBit Dev Board. #6151
• Add certificate bundle capability to WiFiClientSecure by @esp32wrangler in Add certificate bundle capability to WiFiClientSecure #6106
• Rename file pins_Arduino.h to pins_arduino.h by @P-R-O-C-H-Y in Rename file pins_Arduino.h to pins_arduino.h #6153
• Fix variant definition for w32-eth01 by @me-no-dev in Fix variant definition for w32-eth01 #6159
• Fixing interrupts in LEDC by @P-R-O-C-H-Y in Fixing interrupts in LEDC #6160
• Add Watchy board by @sqfmi in Add Watchy board #6158
• .github/scripts: Fix indentation and trailing spaces. by @Ouss4 in .github/scripts: Fix indentation and trailing spaces. #6157
• Fixes UART1 and UART2 default pins for ESP32-S3 by @SuGlider in Fixes UART1 and UART2 default pins for ESP32-S3 #6202
• Fix - SD mount issue by @P-R-O-C-H-Y in Fix - SD mount issue #6162
• [SSL] fix: restoring handshake timeout by @vlastahajek in [SSL] fix: restoring handshake timeout #6166
• Use 8.4.0+2021r2-patch2 toolchains for CI by @Jason2866 in Use 8.4.0+2021r2-patch2 toolchains for CI #6184
• Fixes onReceive deadlock by @SuGlider in Fixes onReceive deadlock #6201
• added explanatory comments to WebServer.h by @h-enes-simsek in added explanatory comments to WebServer.h #6204
• Add conditional include to WiFiProv.h by @mrengineer7777 in Add conditional include to WiFiProv.h #6192
• Resolve WString TODO by @mrengineer7777 in Resolve WString TODO #6190
• Allow HTTPCLIENT_1_1_COMPATIBLE to be disabled by @everslick in Allow HTTPCLIENT_1_1_COMPATIBLE to be disabled #6200
• Update RequestHandlersImpl.h to enable serveStatic on folders with LittleFS. by @mathertel in Update RequestHandlersImpl.h to enable serveStatic on folders with LittleFS. #6179
• Refactor the CI scripts by @Ouss4 in Refactor the CI scripts #6191
• Fix random CaptivePortal.ino crashes by @im-pro-at in Fix random CaptivePortal.ino crashes #6206
• Docs cleanup and version updated to 2.0.2 by @pedrominatel in Docs cleanup and version updated to 2.0.2 #6213
• Unnecessary operation removed from map() in WMath.cpp by @IanSC in Unnecessary operation removed from map() in WMath.cpp #6218
• Update of CameraWebServer example by @renebohne in Update of CameraWebServer example #6219
• Touch Sensor IDF Refactoring by @SuGlider in Touch Sensor IDF Refactoring #6194
• Fix String.replace() broken by Resolve WString TODO #6190 by @s-hadinger in Fix String.replace() broken by #6190 #6224
• Add Github action for uploading arduino-esp32 component. by @magicarm22 in Add Github action for uploading arduino-esp32 component. #6203
• add feather esp32 v2 and qtpy c3 board def by @ladyada in add feather esp32 v2 and qtpy c3 board def #6223
• Added dual antenna for WiFi (based on the ESP32-WROOM-DA module) by @pedrominatel in Added dual antenna for WiFi (based on the ESP32-WROOM-DA module) #6226
• Remove pinMode in ledc for ESP32C3 by @P-R-O-C-H-Y in Remove pinMode in ledc for ESP32C3 #6229
• Fixes Touch Sensor for ESP32-S3 and any future SoC by @SuGlider in Fixes Touch Sensor for ESP32-S3 and any future SoC #6234
• HttpClient: Add cookie support (cookie jar) by @mattsches1 in HttpClient: Add cookie support (cookie jar) #6216
• Support the updated MbedTLS in ESP-IDF v4.4 by @me-no-dev in Support the updated MbedTLS in ESP-IDF v4.4 #6243
• Fix compile with Arduino lib builder by @Jason2866 in Fix compile with Arduino lib builder #6244
• Fix CDC+JTAG is disabled when WiFi is used on ESP32-C3 by @me-no-dev in Fix CDC+JTAG is disabled when WiFi is used on ESP32-C3 #6287
• Fix Check for _cookieJar in HTTPClient (HTTPClient: CookieJar is initialized as nullptr but never checked #6266 ) by @bbsan2k in Fix Check for _cookieJar in HTTPClient (#6266) #6280
• Installing.rst_update by @VojtechBartoska in Installing.rst_update #6292
• Fixes softAPConfig() return by @SuGlider in Fixes softAPConfig() return #6294
• Adds BLE examples to ESP32-C3 CI cycle by @SuGlider in Adds BLE examples to ESP32-C3 CI cycle #6285
• Add Ethernet to CMakeLists by @copercini in Add Ethernet to CMakeLists #6261
• GPIO refactoring by @P-R-O-C-H-Y in GPIO refactoring #6259
• Added documentation for the Arduino IDE tools menu by @pedrominatel in Added documentation for the Arduino IDE tools menu #6284
• ADC esp32s2 attenuation fix for DAC pins by @P-R-O-C-H-Y in ADC esp32s2 attenuation fix for DAC pins #6282
• Fixes UART pin setting + adds CTS/RTS HW Flow Control by @SuGlider in Fixes UART pin setting + adds CTS/RTS HW Flow Control #6272
• fixed http.end taking too long by @yigitabi5444 in fixed http.end taking too long #6277
• add lolin c3 mini board def by @wemos in add lolin c3 mini board def #6306
• (boards.txt) Add partition scheme menu for AI Thinker ESP-CAM boards by @Hacker-3000 in (boards.txt) Add partition scheme menu for AI Thinker ESP-CAM boards #6310
• The M5Core2 and M5Tough have 40 pins by @pgrawehr in The M5Core2 and M5Tough have 40 pins #6315
• add lolin s2 mini board def by @wemos in add lolin s2 mini board def #6320
• Make USBHIDKeyboard::sendReport() public by @tobozo in Make USBHIDKeyboard::sendReport() public #6322
• Update doc: Arduino as IDF component; fixes Arduino as a ESP-IDF component Build Failure #5833 by @PilnyTomas in Update doc: Arduino as IDF component; fixes #5833 #6299
• Added ADC API doc + simple example by @P-R-O-C-H-Y in Added ADC API doc + simple example #6301
• [Docs] Added more details about embedded FLASH and PSRAM on ESP32-S3. by @pedrominatel in [Docs] Added more details about embedded FLASH and PSRAM on ESP32-S3. #6321
• LEDC & SigmaDelta documentation by @P-R-O-C-H-Y in LEDC & SigmaDelta documentation #6330
• [Docs] Timer API documentation by @P-R-O-C-H-Y in [Docs] Timer API documentation #6335
• [Docs] DAC API documentation by @P-R-O-C-H-Y in [Docs] DAC API documentation #6337
• .github/workflows: Remove the selfhost runner test by @Ouss4 in .github/workflows: Remove the selfhost runner test #6343
• Add new board (Deneyap Kart 1A) by @zeynepdicle in Add new board (Deneyap Kart 1A) #6324
• add lolin s2 pico board def by @wemos in add lolin s2 pico board def #6325
• Update esp32-hal-log.h by @cyberman54 in Update esp32-hal-log.h #6351
• Fix some hardware definition pins by @ladyada in Fix some hardware definition pins #6353
• Fix DNSServer crash by @BlueAndi in Fix DNSServer crash #6354
• Added more details about PlatformIO by @pedrominatel in Added more details about PlatformIO #5540
• FIX - wifiBegin works every 2nd time when connecting to same AP by @P-R-O-C-H-Y in FIX - wifiBegin works every 2nd time when connecting to same AP #6359
• WiFi DA: Added Dual Antenna to the docs and example created by @pedrominatel in WiFi DA: Added Dual Antenna to the docs and example created #6357
• [esp32-hal-log.h] add #ifdef for LOG_LOCAL_LEVEL by @cyberman54 in [esp32-hal-log.h] add #ifdef for LOG_LOCAL_LEVEL #6358
• Added ESP32-WROOM-DA module to boards.txt by @pedrominatel in Added ESP32-WROOM-DA module to boards.txt #6361
• FEATURE: Implemented new types of Wifi SmartConfig by @P-R-O-C-H-Y in FEATURE: Implemented new types of Wifi SmartConfig #6367
• Fixes DHCP Server Lease Range for any AP Server Static IP Address by @SuGlider in Fixes DHCP Server Lease Range for any AP Server Static IP Address #6296
• Adds C++ std::function to Serial.onReceive() by @SuGlider in Adds C++ std::function to Serial.onReceive() #6364
• log_printf may cause memory leak and unexpected behaviour by @BlueAndi in log_printf may cause memory leak and unexpected behaviour #6360
• Build (using arduino-builder) and run tests by @Ouss4 in Build (using arduino-builder) and run tests #6313
• Fixes rmtDeinit() and tests RX/TX before operations by @SuGlider in Fixes rmtDeinit() and tests RX/TX before operations #6369
• CameraWebServer duplicate line fix by @VojtechBartoska in CameraWebServer duplicate line fix #6370
• Fix ledc panic’ed when wrong setup of frequency and bit width by @P-R-O-C-H-Y in Fix ledc panic’ed when wrong setup of frequency and bit width #6371
• Fixed the antenna GPIO argument on the DA example by @pedrominatel in Fixed the antenna GPIO argument on the DA example #6392
• Allows setting only one pin (rx or tx) in the first begin() by @SuGlider in Allows setting only one pin (rx or tx) in the first begin() #6394
• publish.yml: Remove the debug job and fix an error in the workflow. by @Ouss4 in publish.yml: Remove the debug job and fix an error in the workflow. #6408
• Implemented tone and noTone; fixes esp32 tone #980 by @PilnyTomas in Implemented tone and noTone; fixes #980 #6402
• publish.yml: Limit the running scope of the publish Workflow. by @Ouss4 in publish.yml: Limit the running scope of the publish Workflow. #6428
• Add missing include in AsyncUDP.h by @mrengineer7777 in Add missing include in AsyncUDP.h #6412
• Some board variant fixes by @ladyada in Some board variant fixes #6411
• Added another overloaded WiFiSTAClass::begin() function that provides... by @jpswensen in Added another overloaded WiFiSTAClass::begin() function that provides... #6398
• [Docs] Added the guideline for documentation by @pedrominatel in [Docs] Added the guideline for documentation #6409
• Fix boot freeze when trying to init PSRAM on Pico D4 by @s-hadinger in Fix boot freeze when trying to init PSRAM on Pico D4 #6434
• Adds HardwareSerial::setTxBufferSize() by @gonzabrusco in Adds HardwareSerial::setTxBufferSize() #6383
• Fixes USB CDC setRxBufferSize(), begin(), _onRX() by @SuGlider in Fixes USB CDC setRxBufferSize(), begin(), _onRX() #6413
• Change "python" to "python3" by @tomorrow56 in Change "python" to "python3" #6448
• Warns about SPP only available for ESP32 by @SuGlider in Warns about SPP only available for ESP32 #6455
• Edited VFSFileImpl::read to use both read/fread by @P-R-O-C-H-Y in Edited VFSFileImpl::read to use both read/fread #6456
• Adding sectorsize() and numSectors() to SD by @tobozo in Adding sectorsize() and numSectors() to SD #6457
• (boards.txt) Add partition scheme menu for WeMos WiFi&Bluetooth Battery by @garubi in (boards.txt) Add partition scheme menu for WeMos WiFi&Bluetooth Battery #6479
• Add Preferences library API and tutorial documents by @Xylopyrographer in Add Preferences library API and tutorial documents #6442
• Esp32 s3 support by @me-no-dev in Esp32 s3 support #6341
• add variant init code for the feather s2 tft by @ladyada in add variant init code for the feather s2 tft #6447
• Adds HardwareSerial::setRxTimeout() by @gonzabrusco in Adds HardwareSerial::setRxTimeout() #6397
• Fix linking failure for space in path in PlatformIO builder scripts by @maxgerhardt in Fix linking failure for space in path in PlatformIO builder scripts #6464
• Add S3 in Headline by @Jason2866 in Add S3 in Headline #6491
• Reordering - HardwareSerial Constructor by @SuGlider in Reordering - HardwareSerial Constructor #6492
• IDF release/v4.4 by @me-no-dev in IDF release/v4.4 #6493
• Fix Reading MAC from efuse for ESP32 Arduino 2.x.x by @smuellener in Fix Reading MAC from efuse for ESP32 Arduino 2.x.x #6459
• Update toolchain to gcc8_4_0-esp-2021r2-patch3 by @me-no-dev in Update toolchain to gcc8_4_0-esp-2021r2-patch3 #6497
• SDWebServer example fix for 2.x.x versions by @P-R-O-C-H-Y in SDWebServer example fix for 2.x.x versions #6505
• add package.json to release zip by @Jason2866 in add package.json to release zip #6501
• add S3 board in package_esp32_index.template.json by @Jason2866 in add S3 board in package_esp32_index.template.json #6518
• Compiler error by @nimaltd in Compiler error #6523
• BLEAddress: Correct less- and greater-than operators by @BrianRossmajer in BLEAddress: Correct less- and greater-than operators #6521
• Fix Ticker::Active crash if _ticker null (Ticker::active() crashes when it call before attach_ms() #6511 ) by @GitNik1 in Fix Ticker::Active crash if _ticker null (#6511) #6513
• Add better esptool support (ArduinoIDE 2.0.0) by @me-no-dev in Add better esptool support (ArduinoIDE 2.0.0) #6506
• PHY8720(A) init timout failures: need to revert "GPIO refactoring (GPIO refactoring #6259 )" by @dok-net in PHY8720(A) init timout failures: need to revert "GPIO refactoring (#6259)" #6527
• IDF release/v4.4 by @me-no-dev in IDF release/v4.4 #6594
• Update camera example to support face detection and recognition by @me-no-dev in Update camera example to support face detection and recognition #6603
• Change pinMode OUTPUT to INPUT_OUTPUT by @P-R-O-C-H-Y in Change pinMode OUTPUT to INPUT_OUTPUT #6602
• Changed type of LEDC frequency from double to uint32_t by @P-R-O-C-H-Y in Changed type of LEDC frequency from double to uint32_t #6570
• BUGFIX: FS read + speed improvements for SD by @P-R-O-C-H-Y in BUGFIX: FS read + speed improvements for SD #6569
• workflows/publish.yml: Run the workflow on success and failure only. by @Ouss4 in workflows/publish.yml: Run the workflow on success and failure only. #6531
• Pull request/Issue Templates and Readme update by @VojtechBartoska in Pull request/Issue Templates and Readme update #6577
• PlatformIO minor updates by @valeros in PlatformIO minor updates #6625
• publish.yml: Minor fix to the workflow syntax by @Ouss4 in publish.yml: Minor fix to the workflow syntax #6620
• LittleFs is working with C3 by @Jason2866 in LittleFs is working with C3 #6618
• LittleFS Platformio example update by @Jason2866 in LittleFS Platformio example update #6617
• Added RainMaker support on Arduino IDE for ESP32-C3/S2/S3 by @pedrominatel in Added RainMaker support on Arduino IDE for ESP32-C3/S2/S3 #6598
• Touch change to init only selected GPIO. by @P-R-O-C-H-Y in Touch change to init only selected GPIO. #6609
• Allow BluetoothSerial::connect() with specified channel and more options by @ferbar in Allow BluetoothSerial::connect() with specified channel and more options #6380
• Fixes stream load memory leak in WifiSecureClient for SSL CACert, Certificate, and Private Key by @fillybrese in Fixes stream load memory leak in WifiSecureClient for SSL CACert, Certificate, and Private Key #6387
• Call i2c_set_timeout in i2cSetClock by @PaulZC in Call i2c_set_timeout in i2cSetClock #6537
• Uniform behaviour of WiFiClientSecure and WiFiClient setTimeout() by @gonzabrusco in Uniform behaviour of WiFiClientSecure and WiFiClient setTimeout() #6562
• Salvage ESP_IDF TAGs when ArduinoCore logging is enabled by @ankostis in Salvage ESP_IDF TAGs when ArduinoCore logging is enabled #6567
• add AirM2M_CORE_ESP32C3 board by @dreamcmi in add AirM2M_CORE_ESP32C3 board #6613
• Added Unexpected Maker Reflow Master Pro (UM RMP) board + Fixed TinyS2 pins by @UnexpectedMaker in Added Unexpected Maker Reflow Master Pro (UM RMP) board + Fixed TinyS2 pins #6630
• Add CI job which tries to build arduino-esp32 as a component by @igrr in Add CI job which tries to build arduino-esp32 as a component #5842
• [Docs] Actualize PlatformIO installation instructions by @valeros in [Docs] Actualize PlatformIO installation instructions #6629
• Fix HTTP Client failing to connect because of wrong timeout by @me-no-dev in Fix HTTP Client failing to connect because of wrong timeout #6633
• Added support for Trueverit ESP32 Universal IoT Driver MK III by @Simonefardella in Added support for Trueverit ESP32 Universal IoT Driver MK III #6640
• Fix onRequest being called for every slave address by @me-no-dev in Fix onRequest being called for every slave address #6649
• Add more controls over WiFi.begin and WiFi.scan by @me-no-dev in Add more controls over WiFi.begin and WiFi.scan #6651
• Fixes INADDR_NONE by @SuGlider in Fixes INADDR_NONE #6659
• Properly handle ARDUINO_PARTITION define in PlatformIO by @valeros in Properly handle ARDUINO_PARTITION define in PlatformIO #6681
• Added new "Non TinyUF2 bootloader only" capability for boards that support TinyUF2 bootloaders by @UnexpectedMaker in Added new "Non TinyUF2 bootloader only" capability for boards that support TinyUF2 bootloaders #6668
• Fix uploader tool for ESPduino32 in boards.txt by @DeuxVis in Fix uploader tool for ESPduino32 in boards.txt #6665

New Contributors

• @JAndrassy made their first contribution in Print.flush() - Arduino API conformance #6084
• @Darek7D made their first contribution in Add KSZ8041 support #6087
• @mrengineer7777 made their first contribution in Fix I2C Slave Compile #6108
• @iltis42 made their first contribution in Consistently change device index to singed integer in BluetoothSerial lib #6109
• @gcweeks made their first contribution in Add Core Debug Level option to Tools menu for all boards in boards.txt #6110
• @niwantha33 made their first contribution in Add LionBit Dev Board. #6151
• @esp32wrangler made their first contribution in Add certificate bundle capability to WiFiClientSecure #6106
• @sqfmi made their first contribution in Add Watchy board #6158
• @h-enes-simsek made their first contribution in added explanatory comments to WebServer.h #6204
• @mathertel made their first contribution in Update RequestHandlersImpl.h to enable serveStatic on folders with LittleFS. #6179
• @im-pro-at made their first contribution in Fix random CaptivePortal.ino crashes #6206
• @IanSC made their first contribution in Unnecessary operation removed from map() in WMath.cpp #6218
• @renebohne made their first contribution in Update of CameraWebServer example #6219
• @s-hadinger made their first contribution in Fix String.replace() broken by #6190 #6224
• @magicarm22 made their first contribution in Add Github action for uploading arduino-esp32 component. #6203
• @mattsches1 made their first contribution in HttpClient: Add cookie support (cookie jar) #6216
• @bbsan2k made their first contribution in Fix Check for _cookieJar in HTTPClient (#6266) #6280
• @yigitabi5444 made their first contribution in fixed http.end taking too long #6277
• @pgrawehr made their first contribution in The M5Core2 and M5Tough have 40 pins #6315
• @BlueAndi made their first contribution in Fix DNSServer crash #6354
• @jpswensen made their first contribution in Added another overloaded WiFiSTAClass::begin() function that provides... #6398
• @gonzabrusco made their first contribution in Adds HardwareSerial::setTxBufferSize() #6383
• @tomorrow56 made their first contribution in Change "python" to "python3" #6448
• @garubi made their first contribution in (boards.txt) Add partition scheme menu for WeMos WiFi&Bluetooth Battery #6479
• @Xylopyrographer made their first contribution in Add Preferences library API and tutorial documents #6442
• @smuellener made their first contribution in Fix Reading MAC from efuse for ESP32 Arduino 2.x.x #6459
• @nimaltd made their first contribution in Compiler error #6523
• @BrianRossmajer made their first contribution in BLEAddress: Correct less- and greater-than operators #6521
• @GitNik1 made their first contribution in Fix Ticker::Active crash if _ticker null (#6511) #6513
• @ferbar made their first contribution in Allow BluetoothSerial::connect() with specified channel and more options #6380
• @fillybrese made their first contribution in Fixes stream load memory leak in WifiSecureClient for SSL CACert, Certificate, and Private Key #6387
• @PaulZC made their first contribution in Call i2c_set_timeout in i2cSetClock #6537
• @ankostis made their first contribution in Salvage ESP_IDF TAGs when ArduinoCore logging is enabled #6567
• @dreamcmi made their first contribution in add AirM2M_CORE_ESP32C3 board #6613
• @DeuxVis made their first contribution in Fix uploader tool for ESPduino32 in boards.txt #6665

Full Changelog: 2.0.2...2.0.3