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Backport for v3.1.x: feat(uart): fixes pin attach for any IDF 5.x

Area: ESP-IDF relatedESP-IDF related issuesESP-IDF related issues

bug 🐞Inconsistencies or issues which will cause a problem for users or implementers.Inconsistencies or issues which will cause a problem for users or implementers.

Peripheral: UARTRelated to the UART peripheral or its functionality.Related to the UART peripheral or its functionality.

Status: In Progress ⚠️Issue is in progressIssue is in progress

Status: Draft (not ready).

espressif/arduino-esp32number 11500

#11500 In espressif/arduino-esp32;

· Jason2866 opened on Jun 22, 2025

ledcWrite() returns successful execution but does not take effect.

Area: ESP-IDF relatedESP-IDF related issuesESP-IDF related issues

Status: In Progress ⚠️Issue is in progressIssue is in progress

Status: Open.

#11455 In espressif/arduino-esp32;

· zhengyangliu opened on Jun 10, 2025

ESP32C3: SPI errors due to late MISO sampling

Area: ESP-IDF relatedESP-IDF related issuesESP-IDF related issues

Chip: ESP32-C3Issue is related to support of ESP32-C3 ChipIssue is related to support of ESP32-C3 Chip

Status: Open.

#10917 In espressif/arduino-esp32;

· danielkucera opened on Jan 29, 2025

Native USB CDC hangs up on ESP32-S2 after about 320 characters

Area: ESP-IDF relatedESP-IDF related issuesESP-IDF related issues

Chip: ESP32-S2Issue is related to support of ESP32-S2 ChipIssue is related to support of ESP32-S2 Chip

Status: Needs investigationWe need to do some research before taking next steps on this issueWe need to do some research before taking next steps on this issue

Type: Bug 🐛All bugsAll bugs

Status: Open.

#6221 In espressif/arduino-esp32;

· technoblogy opened on Feb 1, 2022

· 

3.3.0

webserver :Please add chunkedResponseModeStart / chunkedResponseFinalize

Area: ESP-IDF relatedESP-IDF related issuesESP-IDF related issues

Type: Feature requestFeature request for Arduino ESP32Feature request for Arduino ESP32

Status: Open.

#5080 In espressif/arduino-esp32;

· fanfanlatulipe26 opened on Apr 19, 2021