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Terrible performance since specific commit (inside)

Status: Open.

#5283 In FEX-Emu/FEX;

· EmptyShell92 opened on Feb 4, 2026

Not an actually issue but an enchantment.

Status: Open.

#5276 In FEX-Emu/FEX;

· Muichel opened on Feb 1, 2026

<code>FEXLinuxTests_32/cpu_count.32</code> sometimes returns incorrect CPU count

Status: Open.

#5247 In FEX-Emu/FEX;

· Sonicadvance1 opened on Jan 20, 2026

CI cleanups

Status: Open.

#5242 In FEX-Emu/FEX;

· crueter opened on Jan 19, 2026

syscall execveat behavior doesnt match x86_64 native machine when executing a ELF file loaded in memfd

Status: Open.

#5234 In FEX-Emu/FEX;

· fish4terrisa-MSDSM opened on Jan 14, 2026

Code cache makes assumption about git short hash length being 8 characters.

Status: Open.

#5230 In FEX-Emu/FEX;

· Sonicadvance1 opened on Jan 14, 2026

Arm64EC/Arm64 construction of FEX to collaborate with Wine

Status: Open.

#5222 In FEX-Emu/FEX;

· ASheng1019 opened on Jan 12, 2026

Codecaching: support saving code compiled across multiple threads in SaveData

Status: Open.

#5203 In FEX-Emu/FEX;

· bylaws opened on Jan 7, 2026

Windows: Wow64ProcessPendingCrossProcessItems can leave mutexes locked forever

Status: Open.

#5186 In FEX-Emu/FEX;

· bylaws opened on Jan 1, 2026

[cmake] Add header files to executable/library definitions

Status: Open.

#5180 In FEX-Emu/FEX;

· crueter opened on Dec 29, 2025

[cmake] get rid of <code>GLOB</code>s

Status: Open.

#5173 In FEX-Emu/FEX;

· crueter opened on Dec 28, 2025

FEXOfflineCompile: Need to handle malformed noexec jumps

Status: Open.

#5144 In FEX-Emu/FEX;

· bylaws opened on Dec 22, 2025