Issues

• Windows Event Viewer reports numerous side-by-side error events linked to FCEUX while program is not running

  TASEmulators/fceux#852 · Filter by author ghramsey opened on Sep 16, 2026

• segfaults on mapper 218

  TASEmulators/fceux#851 · Filter by author zlago opened on Sep 3, 2026

• Does not build with FFmpeg 9

  TASEmulators/fceux#849 · Filter by author clausecker opened on Aug 8, 2026

• FCEUX can't properly handle "Open ROM" dialog while playing with gamepad

  TASEmulators/fceux#847 · Filter by author Pehat opened on Jul 11, 2026

• Title: 3GO.nes (Sangokushi / 三国志中原之霸者) displays incorrectly — iNES header declares Mapper 0, actual hardware is Mapper 252

  TASEmulators/fceux#845 · Filter by author 893212756 opened on Jun 6, 2026
  4

• Title: 3GO.nes (Sangokushi / 三国志中原之霸者) displays incorrectly — iNES header declares Mapper 0, actual hardware is Mapper 252

  TASEmulators/fceux#844 · Filter by author 893212756 opened on Jun 6, 2026

• Intel Mac Release Please?

  TASEmulators/fceux#843 · Filter by author McGrian opened on Jun 1, 2026

• config file does not save/does not load

  TASEmulators/fceux#842 · Filter by author bobbobbin opened on May 27, 2026

• Segfault on startup

  TASEmulators/fceux#839 · Filter by author Sasy00 opened on May 2, 2026
  1

• Various Requests

  TASEmulators/fceux#836 · Filter by author ReyVGM opened on Apr 19, 2026
  2

• cmake: build on macOS / Linux fails (qt6, minizip)

  TASEmulators/fceux#835 · Filter by author prg318 opened on Apr 19, 2026

• Would it be possible to create an FCEUXD core for Retroarch, specifically for Android?

  TASEmulators/fceux#833 · Filter by author elseniorx1989 opened on Mar 31, 2026
  1

• [Qt] Screenshots and Linux Wayland behavior (discussion)

  bugQtSDL
  Discussion

  TASEmulators/fceux#832 · Filter by author ClusterM opened on Mar 30, 2026
  2

  

• Questions/Troubleshooting about some of the Qt version features.

  TASEmulators/fceux#831 · Filter by author ReyVGM opened on Mar 29, 2026

• FCEUX crashes when opening TASeditor

  TASEmulators/fceux#830 · Filter by author Idkwhattoputherelol473 opened on Mar 20, 2026

• Won't compile on OpenMandriva ROME due to zlib conflict

  TASEmulators/fceux#829 · Filter by author saberking opened on Mar 14, 2026

• "LCD Zapper" input switches to "Zapper" everytime.

  TASEmulators/fceux#828 · Filter by author Xcorp1on opened on Mar 12, 2026

• Integrate Kaillera netplay functionality

  TASEmulators/fceux#826 · Filter by author kewosad opened on Mar 7, 2026

• How to run on embedded boards using Framebuffer/DRM instead of OpenGL/Qt5?

  TASEmulators/fceux#825 · Filter by author Jvlegod opened on Jan 29, 2026

• Feature request: Fullscreen without resolution change, trouble with 4K display

  TASEmulators/fceux#824 · Filter by author MaximilianC opened on Jan 15, 2026

• Lua scripting incompatibility between Linux / Windows versions

  TASEmulators/fceux#822 · Filter by author Xkeeper0 opened on Jan 10, 2026

• VRC7 audio saves

  TASEmulators/fceux#821 · Filter by author ajp9 opened on Nov 12, 2025

• Change CNRom bank switching or new submapper

  TASEmulators/fceux#819 · Filter by author Fixatron opened on Nov 2, 2025
  2

• Linux theme selection causes immediate crash if gtk2 picked

  TASEmulators/fceux#818 · Filter by author Xkeeper0 opened on Oct 26, 2025
  2

• no menu items

  TASEmulators/fceux#817 · Filter by author apanasis opened on Oct 15, 2025