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Black display on M5StackChan (board_t=27) with backlight on, panel detected but no render

Status: Open.

#199 In m5stack/M5GFX;

· 7H3-CH053N opened on May 20, 2026

M5GFX 0.2.20 / 0.2.21 conflicts with official Arduino LVGL 9.x library

Status: Open.

#197 In m5stack/M5GFX;

· yaaaaaaoxiao opened on May 19, 2026

M5Stack CoreS3 display (ILI9342C) blank on ESP-IDF v6.0.1

Status: Open.

#192 In m5stack/M5GFX;

· wheelbot-tech opened on May 9, 2026

[Bug] Ex_I2C (I2C_NUM_0) completely broken on ESP32-S3 + ESP-IDF 5.5.3 — Ex_I2C（I2C_NUM_0）在 ESP32-S3 + ESP-IDF 5.5.3 上完全不可用

Status: Open.

#186 In m5stack/M5GFX;

· LOVECHEN opened on Mar 19, 2026

Screen flickering/blinking after updating to esp32-core-3.3.6 (OK with esp32-core-3.3.5) - M5Stack Tab5

Status: Open.

#185 In m5stack/M5GFX;

· perpective2410 opened on Mar 16, 2026

Panel_EPD.cpp: two PSRAM heap corruption bugs (task_update() odd byte-width overrun + display() not rotating the update rectangle)

Status: Open.

#181 In m5stack/M5GFX;

· mikaryyn opened on Feb 3, 2026

Support for Clang toolchain

Status: Open.

#174 In m5stack/M5GFX;

· skrat opened on Jan 15, 2026

The M5GFX library encountered an unknown path resolve error.c*: 67:11: fatal error: soc/gdma_reg.h: No such file or directory

Status: Open.

#161 In m5stack/M5GFX;

· AcuarioCat opened on Oct 31, 2025

M5GFX.h:298:38: error: conflicting declaration 'using EncodeRange = struct lgfx::v1::EncodeRange

Status: Open.

#144 In m5stack/M5GFX;

· on4ain opened on Aug 27, 2025

How to use a button

Status: Open.

#140 In m5stack/M5GFX;

· Grandpa-G opened on Jul 6, 2025

textLength function returns invalid UTF-8 truncation positions for multi-byte characters

Status: Open.

#135 In m5stack/M5GFX;

· mengxiyou opened on May 24, 2025

ESP-IDF v5.4: array-bounds errors in common.cpp

Status: Open.

#133 In m5stack/M5GFX;

· jaylikesbunda opened on May 17, 2025