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I2C Master Wire.requestFrom timeout not obeyed, takes a whole second to read when slave is not present

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

Area: Peripherals APIRelates to peripheral's APIs.Relates to peripheral's APIs.

Status: Blocked by ESP-IDF 🛑This issue/PR is currently blocked due to limitations, bugs, or pending changes in ESP-IDF.This issue/PR is currently blocked due to limitations, bugs, or pending changes in ESP-IDF.

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

Status: Closed (completed).

#5934 In espressif/arduino-esp32;

· by leifclaesson was closed on Mar 12, 2025

Improve speed of file system

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

Status: Closed (completed).

Feature

#7337 In espressif/arduino-esp32;

· by ttlappalainen was closed on Aug 12, 2025

WebServer.handleClient() longer time execution on ESP32-C3 compares to ESP8266 (930 us vs 10us)

Status: Awaiting triageIssue is waiting for triageIssue is waiting for triage

Status: Closed (completed).

#7708 In espressif/arduino-esp32;

· by Owiec94 was closed on Mar 12, 2025

Issues with variants/watchy/pins_arduino.h

Type: 3rd party BoardsRelated to third-party/non-Espressif hardware boards.Related to third-party/non-Espressif hardware boards.

Status: Closed (completed).

Bug

#11737 In espressif/arduino-esp32;

· by martindiv was closed on Sep 4, 2025

Wrong SPIs typology for ESP32C3

Area: Peripherals APIRelates to peripheral's APIs.Relates to peripheral's APIs.

Status: Closed (completed).

#8192 In espressif/arduino-esp32;

· by mgrenonville was closed on Jun 17, 2025

DNS gets corrupted after a short time

Area: BT&WifiBT & Wifi related issuesBT & Wifi related issues

Type: Bug 🐛All bugsAll bugs

Status: Closed (completed).

#8221 In espressif/arduino-esp32;

· by gskjold was closed on Apr 4, 2025

[ledC] Please add Arduino support for gamma curve fade

Area: Peripherals APIRelates to peripheral's APIs.Relates to peripheral's APIs.

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

Status: Closed (completed).

#8790 In espressif/arduino-esp32;

· by TD-er was closed on Jun 16, 2025

ESP32 C3 Supermini only boots when USB is connected and Serial is used.

Type: Bug 🐛All bugsAll bugs

Status: Closed (completed).

#9545 In espressif/arduino-esp32;

· by satbeginner was closed on Mar 12, 2025

Implement Zigbee in Arduino

Area: LibrariesIssue is related to Library support.Issue is related to Library support.

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

Status: Closed (completed).

Feature

#10135 In espressif/arduino-esp32;

· by P-R-O-C-H-Y was closed on Jul 21, 2025

WiFi client enterprise breaks and reboot ESP32 trying to connect eduroam in version 3.0.0

Area: WiFiIssue related to WiFiIssue related to WiFi

Resolution: Unable to reproduceWith given information issue is unable to reproduceWith given information issue is unable to reproduce

Status: Awaiting ResponseAwaiting a response from the authorAwaiting a response from the author

Status: Community help neededIssue need help from any member from the Community.Issue need help from any member from the Community.

Status: Closed (completed).

#9719 In espressif/arduino-esp32;

· by tutotio was closed on Mar 14, 2025

Zigbee On/Off Switch bounds only to 1st Endpoint and Ignores Additional Endpoints on the Light Device

Area: ZigbeeIssues and Feature Request about ZigbeeIssues and Feature Request about Zigbee

Status: Closed (completed).

#11006 In espressif/arduino-esp32;

· by sebastian-ionita was closed on May 27, 2025

UART Communication Delays and Data Loss

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

Priority: High 🗻Issues with high priority which needs to be solved first.Issues with high priority which needs to be solved first.

Status: Closed (completed).

#10420 In espressif/arduino-esp32;

· by mightChamp was closed on Mar 17, 2025

DHCP option 114 for captive portal

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

Status: Closed (completed).

Feature

#11399 In espressif/arduino-esp32;

· by eyaler was closed on Jun 4, 2025

Zigbee - Only Four of Six Temperature Sensors Appear as Bound Devices

Area: ZigbeeIssues and Feature Request about ZigbeeIssues and Feature Request about Zigbee

Status: Closed (completed).

#11219 In espressif/arduino-esp32;

· by dosportsglobal was closed on May 27, 2025

Support Endpoint Identification from Multiple Zigbee Devices

Area: ZigbeeIssues and Feature Request about ZigbeeIssues and Feature Request about Zigbee

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

Status: Closed (completed).

#11168 In espressif/arduino-esp32;

· by kiansiong85 was closed on Jun 4, 2025

Add support for Zigbee Electrical Measurement

Area: ZigbeeIssues and Feature Request about ZigbeeIssues and Feature Request about Zigbee

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

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

Status: Closed (completed).

Feature

#11277 In espressif/arduino-esp32;

· by InnerBushman was closed on May 27, 2025

[Bug] Color conversion in espXYToRgbColor() too dark – XYZ values scaled down by /100

Area: ZigbeeIssues and Feature Request about ZigbeeIssues and Feature Request about Zigbee

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

Status: Closed (completed).

#11619 In espressif/arduino-esp32;

· by micromasterminds was closed on Jul 22, 2025

Allow USB Midi descriptor to be changed

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

Status: Closed (completed).

Feature

#11714 In espressif/arduino-esp32;

· by aaronaverill was closed on Sep 10, 2025

esp32-S2 usb cdc works only after serial monitor is opened

Area: Tools & Build SystemIssue is related to tools and/or the build systemIssue is related to tools and/or the build system

Status: Closed (completed).

#10474 In espressif/arduino-esp32;

· by Antonio-Ciociola was closed on Oct 1, 2025

EXT_RAM_NOINIT_ATTR random data on reboot

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

Status: Not planned (skipped).

#7448 In espressif/arduino-esp32;

· by handmade0octopus was closed on Mar 13, 2025

Compile error on 3.3.1

Type: Bug 🐛All bugsAll bugs

Status: Closed (completed).

Bug

#11857 In espressif/arduino-esp32;

· by swoboda1337 was closed on Sep 18, 2025

Support of Arduino Matter library

Area: MatterIssues and Feature Request about Matter ProtocolIssues and Feature Request about Matter Protocol

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

Status: Closed (completed).

Feature

#7432 In espressif/arduino-esp32;

· by Humancell was closed on Oct 29, 2025

AsyncUDP listenMulticast not binding to a specific TCPIP Interface

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

Status: Closed (completed).

#7328 In espressif/arduino-esp32;

· by me-no-dev was closed on Nov 6, 2025

ESP32-C3 - Version 3.0 breaks BLEHIDDevice LEDs events (Caps Lock, Num Lock, etc.)

Area: BLEIssues related to BLEIssues related to BLE

Status: Awaiting ResponseAwaiting a response from the authorAwaiting a response from the author

Status: Closed (completed).

Bug

#10432 In espressif/arduino-esp32;

· by GiyeopKim1993 was closed on Nov 10, 2025

feat(wifi): Add support for 2.4GHz and 5GHz band switching

Area: WiFiIssue related to WiFiIssue related to WiFi

Status: Pending MergePull Request is ready to be mergedPull Request is ready to be merged

Status: Merged (completed).

espressif/arduino-esp32number 11045

#11045 In espressif/arduino-esp32;

· by me-no-dev was closed on Mar 10, 2025