Arduino Release v2.0.15 based on ESP-IDF v4.4.7

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 #9339 (update to ESP-IDF v4.4.7)
• backports HWCDC to v2.0.15 by @SuGlider in #9462
• Fixes set pins return value in 2.0.13 by @SuGlider in #8644
• feat: adds baudrate detection to S3 and C3 using LL API for all SoC by @SuGlider in #9261
• feat(uart): backports UART pin attachment from 3.0.0 to 2.0.15 by @SuGlider in #9176

Peripherals

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

Libraries

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

Boards additions and updates

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

Tooling

• Support relative paths in UNIX search PATH by @me-no-dev in #8622
• fix(platform): use numbers in all recipe hooks (on 2.x) by @pillo79 in #9219
• Implement official Arduino IDE debugger API on 2.x by @pillo79 in #9118

Documentations

• Added isKey documentation for the Preferences library by @Viproz in #9142

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Full Changelog: 2.0.14...2.0.15

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New Contributors

• @audiophyl made their first contribution in #8886
• @SwapnilPande made their first contribution in #9269
• @kiran-desilva made their first contribution in #9344

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Thanks for your contribution! 🎉