Peripherals

UART

• fix(uart): fixes setPins() when changing RTS and CTS by @SuGlider in #12201

USB

• fix(usb_hw_serial): fixes connected state after sketch is uploaded by @SuGlider in #12184

SPI

• fix(spi): ESP32P4 clock selection by @P-R-O-C-H-Y in #12265

Timer

• feat(ticker): extend ticker by adding restart timer options by @nielsnl68 in #12240

Libraries

Bluetooth & BLE

• fix(ble): Fix BLE memory release by @lucasssvaz in #12192
• fix(ble): Fix onRead callback by @lucasssvaz in #12234
• fix(ble): Fix HID BLE permissions, add examples and fix characteristic handle by @lucasssvaz in #12260
• fix(ble): Fix inconsistency in write callback order by @lucasssvaz in #12266
• fix(ble): Fix default advertising name in NimBLE by @lucasssvaz in #12268
• fix(ble): Add checks for BLE initialized by @lucasssvaz in #12271
• fix(hosted): Make BLE work on older hosted firmwares by @me-no-dev in #12270

Network

• fix(net): Allow setting custom base MAC on ESP32 by @me-no-dev in #12233
• feat(udp): Allow for packets up to 1460 bytes by @me-no-dev in #12232

WiFi

• fix(5ghz): Rework WiFi LR logic for 5GHz chips by @me-no-dev in #12202
• fix(logging): Add wrapper when using wifi without esp_diagnostics by @lucasssvaz in #12188
• fix(dhcp): Fix DHCP Captive Portal URL by @me-no-dev in #12263

Update

• fix(update): Check that there is a free OTA partition before writing by @lbernstone in #12264
• feat(update): Add Doxygen style documentation for the Update class by @me-no-dev in #12243

OTA

• fix(ota): Show MD5 warning only when connection is successful by @lucasssvaz in #12272

Boards Additions & Updates

• feat(board): Add custom boards YB-ESP32-S3-AMP and YB-ESP32-S3-DAC by @yellobyte in #12191
• feat(board): add support for PandaByte dev boards by @rahulthakur-ms in #12220
• Added Waveshare AMOLED Touch S3 2.06 Board by @shawkym in #12227
• fix(board): fix WS2812 color order by @eMUQI in #12174
• fix(board): Axiometa Pin Number Fix by @Dumcius in #12269
• Add soc_caps.h include to Adafruit FunHouse by @tyeth in #12244

CI & testing

• ci(wokwi): Add re-trigger option which ignores cached results by @P-R-O-C-H-Y in #12215
• ci(soc): Centralize SoC config in CI and add README by @lucasssvaz in #12143
• ci(component): Check if examples declared and folders match by @lucasssvaz in #12151
• feat(ci): add a backlog clean up bot by @dmitriyastapov in #12128
• fix(recipes): fixes platform.txt for older arduino-build version by @SuGlider in #12189
• fix(export): Fix binary export for IDE v1 by @lucasssvaz in #12203

Documentation

• feat(update): Add Doxygen style documentation for the Update class by @me-no-dev in #12243

Tooling

• fix(print): Fix format specifiers by @lucasssvaz in #12164
• fix(example): Update GetMacddress.ino for 8 and 2 byte MACs by @me-no-dev in #12262

Others

• Add partition schema definition optimized for local storage by @frdoni in #12196
• feat(hosted): Update and enhance logging of esp-hosted by @me-no-dev in #12229

New Contributors

• @dmitriyastapov made their first contribution in https://github.com/espressif/arduino-esp32/pull/12128
• @rahulthakur-ms made their first contribution in https://github.com/espressif/arduino-esp32/pull/12220
• @frdoni made their first contribution in https://github.com/espressif/arduino-esp32/pull/12196
• @shawkym made their first contribution in https://github.com/espressif/arduino-esp32/pull/12227
• @nielsnl68 made their first contribution in https://github.com/espressif/arduino-esp32/pull/12240

Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.3.5...3.3.6