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All tests failing for v3.5.0 on aarch64

Status: Open.

#1382 In microsoft/mimalloc;

· Ben Schneider (bschnei) opened on Aug 28, 2026

问题 for thread exit and process exit on Windows

Status: Open.

#1377 In microsoft/mimalloc;

· Zoxc opened on Aug 28, 2026

The program crashes upon startup on certain machines.

Status: Open.

#1374 In microsoft/mimalloc;

· GunPowder (firefly-insky) opened on Aug 25, 2026

Surprising performance hit in mi_page_free_list_extend when allowing THP

Status: Open.

#1373 In microsoft/mimalloc;

· timo opened on Aug 24, 2026

perf: lock contention on os_abandoned_pages_lock and arena_pages_lock under high concurrency

Status: Open.

#1372 In microsoft/mimalloc;

· houseme (houseme) opened on Aug 24, 2026

realloc() on new thread incorrectly asserts on 3.5.0 on Linux

Status: Open.

#1371 In microsoft/mimalloc;

· Number Six (Number5ix) opened on Aug 20, 2026

Segfault in mi_arena_try_purge upon exit, same use case as in #1313

Status: Open.

#1367 In microsoft/mimalloc;

· Mihail Ivanchev (MIvanchev) opened on Aug 16, 2026

fix: avoid deadlock when growing dynamic thread-local slots

Status: Open.

#1358 In microsoft/mimalloc;

· Zachary Vorhies (zackees) opened on Aug 6, 2026

V3 perfomance charts

Status: Open.

#1335 In microsoft/mimalloc;

· Oscar Smith (oscardssmith) opened on Jul 17, 2026

Use MEM_64K_PAGES?

Status: Open.

#1329 In microsoft/mimalloc;

· Рика (runewalsh) opened on Jul 10, 2026

When mi_os_prim_alloc_aligned falls back on overallocation, it drops allow_large

Status: Open.

#1290 In microsoft/mimalloc;

· Fedor Alekseev (moskupols) opened on May 9, 2026

[Crash] mimalloc v3.3.1 crash on android in multi thread allocation

Status: Open.

#1288 In microsoft/mimalloc;

· p2k.yc0ng (p2kyc0ng) opened on May 8, 2026