Issues

• 3.x: DP-connected monitors (DP-to-HDMI cables) only detected on AUX bus as "Invalid display"; 2.2.7 detects them correctly.

  rockowitz/ddcutil#653 · Filter by author iseal56 opened on Oct 14, 2026
  2

• Intermittent all-zero DDC/CI replies over i915 HDMI, AOC Q27P1B (product 9985), Fedora 44

  rockowitz/ddcutil#652 · Filter by author hmaltawil opened on Oct 14, 2026
  2

• v3.0.2 not detecting monitors

  3.0.2amdgpubugFixed
  rockowitz/ddcutil#648 · Filter by author Sokoloft opened on Oct 2, 2026
  5

• AOC C32G42ZE not detected

  aocmonitor specific
  rockowitz/ddcutil#645 · Filter by author r3square opened on Sep 30, 2026
  2

• SIGSEGV in sysfs_find_adapter when a DRM card's sysfs entry is present but unreadable (blocked, not removed, GPU)

  bugenhancementFixed
  rockowitz/ddcutil#641 · Filter by author plastininikolay opened on Sep 24, 2026
  7

• Release 3.0.2

  announcement
  rockowitz/ddcutil#639 · Filter by author rockowitz opened on Sep 23, 2026

• Release 3.0.1

  announcement
  rockowitz/ddcutil#631 · Filter by author rockowitz opened on Sep 13, 2026
  7

• Release 3.0.0

  announcement
  rockowitz/ddcutil#627 · Filter by author rockowitz opened on Sep 11, 2026

• Set VCP write is ignored on an LG display when initial DDC checks are skipped

  enhancement
  rockowitz/ddcutil#626 · Filter by author Murderlon opened on Sep 2, 2026
  10

• Dell P2725DE not detected: EDID read returns CEA extension block unless offset write and data read are a single combined transaction

  bugEDIDenhancement
  rockowitz/ddcutil#620 · Filter by author przemech opened on Jul 20, 2026
  5

• Switching PIP mode over DDC/CI

  asusPIP
  rockowitz/ddcutil#618 · Filter by author Aqua1ung opened on Jun 27, 2026

• Failed to find connector name error with modified EDID

  awaiting user informationEDIDenhancementFixed
  rockowitz/ddcutil#608 · Filter by author Gray-Rice opened on May 10, 2026
  19

• libddcutil ignores ~/.config/ddcutil/ddcutil.conf – sleep-multiplier has no effect when used as library

  eizoenhancementperformance
  rockowitz/ddcutil#607 · Filter by author shabvangill opened on May 9, 2026
  8

• Release 2.2.7

  2.2.7announcement
  rockowitz/ddcutil#605 · Filter by author rockowitz opened on May 9, 2026
  1

• samsung U28D590 external monitor via usb-c-displayport adapter not detected in KDE powerdevil/low brightness when laptop resume from sleep

  bugdisplay change detectionlaptops
  rockowitz/ddcutil#600 · Filter by author hkskoglund opened on Apr 21, 2026
  4

• Release 2.2.7-rc1

  2.2.7announcement
  rockowitz/ddcutil#599 · Filter by author rockowitz opened on Apr 20, 2026
  5

• SIGSEGV in rpt_lsof_collect0 during suspend resume

  arch linuxbugclaudeEACCESFixedPowerDevil
  rockowitz/ddcutil#596 · Filter by author kerneltoast opened on Mar 31, 2026
  11

• ddcutil freezes on newer Linux kernels

  nvidia proprietary
  rockowitz/ddcutil#594 · Filter by author gadefox opened on Mar 19, 2026
  4

• Release 2.2.6

  announcement
  rockowitz/ddcutil#592 · Filter by author rockowitz opened on Mar 12, 2026

• I'm told my monitors don't support DDC/CI, even though they claim to

  amdgpuEACCESNixOSpermissions
  rockowitz/ddcutil#583 · Filter by author tremby opened on Feb 10, 2026
  4

• A bug in version 2.2.5 causing hangs during dynamic GPU detachment

  2.2.5awaiting user informationbugPowerDevil
  rockowitz/ddcutil#582 · Filter by author ronn21 opened on Feb 6, 2026
  3

• Release 2.2.5

  2.2.5announcement
  rockowitz/ddcutil#577 · Filter by author rockowitz opened on Jan 26, 2026

• Release 2.2.4

  2.2.4announcement
  rockowitz/ddcutil#573 · Filter by author rockowitz opened on Jan 21, 2026
  2

• DDC communication failed - PL2473HD (but works on windows)

  aceriiyamamonitor specific
  rockowitz/ddcutil#570 · Filter by author flagg19 opened on Jan 4, 2026
  4

• Potentially bricked ASUS monitor with switching Input Source

  asusbrickedinput source
  rockowitz/ddcutil#566 · Filter by author martin-scheele opened on Dec 9, 2025
  4