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macOS arm64 wheel ships only ISA-L base functions (no NEON/PMULL assembly), ~5x slower than the manylinux aarch64 wheel on the same CPU

Status: Open.

#254In pycompression/python-isal;

· geoff-davis opened on Jul 16, 2026

New ISA-L release

Status: Open.

#253In pycompression/python-isal;

· lattwood opened on Jun 16, 2026

arm64 is also a supported platform

Status: Open.

#252In pycompression/python-isal;

· rhpvorderman opened on Jun 3, 2026

Reading gzip headers can lead to OOM for adversarial inputs

Status: Open.

#250In pycompression/python-isal;

· rhpvorderman opened on May 19, 2026

Python 3.15 support

Status: Open.

#247In pycompression/python-isal;

· jcfuentes opened on Mar 28, 2026

Checkout the PyBytesWriter API instead of custom bytes resizing

Status: Open.

#246In pycompression/python-isal;

· rhpvorderman opened on Dec 1, 2025

FAILED tests/test_igzip_threaded.py::test_flush on openEuler 22.03

Status: Open.

#241In pycompression/python-isal;

· liuqinfei opened on Aug 22, 2025

Move to stable ABI?

Status: Open.

#240In pycompression/python-isal;

· rhpvorderman opened on Aug 8, 2025

Consider using ASAN-instrumented CPython build in CI

help wantedExtra attention is neededExtra attention is needed

Status: Open.

#237In pycompression/python-isal;

· ngoldbaum opened on Jul 18, 2025

Add support for the free-threaded build and upload cp313t wheels

Status: Open.

#236In pycompression/python-isal;

· ngoldbaum opened on Jul 18, 2025

Add functions to (de)compress data blocks in one go

Status: Open.

#221In pycompression/python-isal;

· rhpvorderman opened on Jan 10, 2025

Allow multithreaded decompression of bgzip formats

Status: Open.

#219In pycompression/python-isal;

· rhpvorderman opened on Dec 18, 2024