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Code caching parsing modifies fd passed in to mmap

Code Caching

Status: Open.

#5379 In FEX-Emu/FEX;

· Sonicadvance1 opened on Mar 17, 2026

install on debian

Status: Open.

#5361 In FEX-Emu/FEX;

· mjonsson1986 opened on Mar 12, 2026

[Bug]: Fex-emu stopped working after update (segfault)

Status: Open.

#5360 In FEX-Emu/FEX;

· Kiiro-Yakumo opened on Mar 11, 2026

QObject: Cannot create children for a parent that is in a different thread.

Status: Open.

#5358 In FEX-Emu/FEX;

· rroohhh opened on Mar 10, 2026

BloonsTD6: Using the new FexCore causes a infinite loading screen

Game related

Status: Open.

#5346 In FEX-Emu/FEX;

· Player8765 opened on Mar 6, 2026

steamwebhelper inconsistently crashes with multiblock enabled

Status: Open.

#5336 In FEX-Emu/FEX;

· Sonicadvance1 opened on Feb 27, 2026

FEXConfig: Add Dynamic L2 and Disable L1 cache options to FEXConfig

Status: Open.

#5330 In FEX-Emu/FEX;

· Sonicadvance1 opened on Feb 26, 2026

[Bug] WoW Classic (_anniversary_) on Winlator+FEX: NoExec instruction in entry block then C0000005 storm

Status: Open.

#5328 In FEX-Emu/FEX;

· FrontMage opened on Feb 24, 2026

Steam game controllers only sometimes work

Status: Open.

#5322 In FEX-Emu/FEX;

· octoturt opened on Feb 23, 2026

Implement remaining x87 alias encodings

Status: Open.

#5296 In FEX-Emu/FEX;

· Sonicadvance1 opened on Feb 10, 2026

Not an actually issue but an enchantment.

Status: Open.

#5276 In FEX-Emu/FEX;

· Muichel opened on Feb 1, 2026

FEXLinuxTests_32/cpu_count.32 sometimes returns incorrect CPU count

Status: Open.

#5247 In FEX-Emu/FEX;

· Sonicadvance1 opened on Jan 20, 2026