Issues

• Build: error: no matching function for call to 'getdents' (musl)

  FEX-Emu/FEX#5999 · Filter by author peppergrayxyz opened on Sep 30, 2026

• DiskCache=1 causes steamwebhelper zygote crash loop when Steam is launched through FEXBash

  FEX-Emu/FEX#5996 · Filter by author kisasexypantera94 opened on Sep 29, 2026
  1

• Implement AVX for Wow64 wine

  FEX-Emu/FEX#5993 · Filter by author Sonicadvance1 opened on Sep 27, 2026

• Slay the Spire 2 (Godot/Mono native Linux build) crashes reproducibly during multi-threaded asset preload on ARM64

  FEX-Emu/FEX#5991 · Filter by author theoleuthardt opened on Sep 25, 2026

• Mono uses XAM for inf/nan detection

  FEX-Emu/FEX#5990 · Filter by author Sonicadvance1 opened on Sep 25, 2026
  1

• [Valheim Dedicated]: Intermittent SIGSEGV under FEX on Ampere (Unity headless, crossplay)

  Game relatedml-report
  FEX-Emu/FEX#5985 · Filter by author rodtrevizan opened on Sep 23, 2026
  1

• Memory Model Issues with Unaligned Loads and Stores Implementation

  FEX-Emu/FEX#5972 · Filter by author stkstoyanov opened on Sep 19, 2026
  1

• [World of Warcraft Classic Era] Infinite SIGSEGV/SIGILL loop in WowClassic_loader.dll on DGX Spark (GB10) — related to #5328

  Game relatedml-report
  FEX-Emu/FEX#5952 · Filter by author IgorVerm opened on Sep 13, 2026

• Upgrade x86 CI machine to Zen 6 when a suitable platform is available

  FEX-Emu/FEX#5948 · Filter by author Sonicadvance1 opened on Sep 11, 2026

• Wine leaks non-canonical pointers to x86-64 processes

  FEX-Emu/FEX#5946 · Filter by author Sonicadvance1 opened on Sep 10, 2026

• Make the SSE string operations faster

  FEX-Emu/FEX#5938 · Filter by author Sonicadvance1 opened on Sep 9, 2026

• [Diablo II: Resurrected]: [fails to start]

  Game relatedml-report
  FEX-Emu/FEX#5932 · Filter by author EvilToasterDBU opened on Sep 7, 2026

• Reading an empty tagged x87 register doesnt raise exception nor substitutes QNaN Indefinite

  FEX-Emu/FEX#5920 · Filter by author simon902 opened on Sep 4, 2026

• FileID needs some work on Linux

  FEX-Emu/FEX#5912 · Filter by author Plagman opened on Sep 3, 2026
  1

• FPREM/FPREM1 never compute C0/C1/C3

  FEX-Emu/FEX#5908 · Filter by author simon902 opened on Sep 3, 2026

• Blocking NtReadFile freezes all guest compilation once DEP is disabled

  ml-report
  FEX-Emu/FEX#5907 · Filter by author AviKndr opened on Sep 3, 2026

• rt_sigreturn leaves InSyscallInfo stale, causing later signal frames to overwrite the guest stack

  FEX-Emu/FEX#5901 · Filter by author chrispouliot opened on Sep 2, 2026

• x87 instructions do not produce indefinite result on invalid operand

  FEX-Emu/FEX#5899 · Filter by author simon902 opened on Sep 2, 2026

• FLD_Const ignores FCW rounding control

  FEX-Emu/FEX#5898 · Filter by author simon902 opened on Sep 2, 2026

• [SMT III Nocturne HD Remaster]: [Crash at GameAssembly.dll+0x9B50A8D — guest R11 arrives truncated to ~33 bits under ARM64EC]

  Game relatedml-report
  FEX-Emu/FEX#5893 · Filter by author acarrill opened on Sep 1, 2026
  2

• execve self-reexec fallback loses caller-supplied argv[0]

  ml-report
  FEX-Emu/FEX#5879 · Filter by author shirok1 opened on Aug 30, 2026
  3

• Thunks: stack-protector prologue clobbers r11 (the host callee address) in CallHostFunction for >=7-argument functions

  ml-report
  FEX-Emu/FEX#5878 · Filter by author dragosol opened on Aug 30, 2026

• Elden Ring is too slow

  FEX-Emu/FEX#5877 · Filter by author Sonicadvance1 opened on Aug 29, 2026
  2

• SMCChecks=mtrack does not track code writes by the kernel through read-like syscalls

  FEX-Emu/FEX#5874 · Filter by author mcfi opened on Aug 28, 2026

• mmap(address_hint, ..., MAP_32BIT) without MAP_FIXED never honors hint

  FEX-Emu/FEX#5872 · Filter by author mcfi opened on Aug 28, 2026
  3