2.8.0

Overview

This release migrates mkl-service to a modern Meson-based build system, replacing the legacy setuptools/setup.py pipeline. It also fixes runtime library path (RPATH) handling so that the MKL runtime is located correctly on macOS. There are no API or Python-version support changes.

Highlights

🏗️ New Build System

• Migrated from setuptools to meson-python, removing setup.py in favor of meson.build
• MKL is now discovered via CMake, and ninja/cmake are formal build requirements
• RPATH is baked directly into the extensions via literal linker arguments, matching the legacy setuptools behavior so wheels locate the MKL runtime without post-build tooling

🍎 macOS RPATH Fix

• Each runtime search path is now emitted as its own -rpath linker argument instead of being colon-joined; colon-joining is an ELF-only convention and produced a single unusable LC_RPATH entry on macOS (Mach-O)

Python Version Support

• ✅ Python 3.10, 3.11, 3.12, 3.13, 3.14

Detailed Changes

Changed

• Migrated the build system from setuptools to meson-python, removing setup.py in favor of meson.build gh-174

Fixed

• Emit one -rpath linker argument per path instead of colon-joining them, so the runtime library search path is baked correctly into macOS (Mach-O) extensions gh-222

Contributors

• Nikita Grigorian (@ndgrigorian)
• Anton Volkov (@antonwolfy)

Full Changelog: 2.7.2...2.8.0

2.7.2

This is a bug-fix release, identical to 2.7.1 in terms of features.

This release fixes pip check for environments installing mkl-service, which was broken when MKL was added as a runtime dependency.

Fixed

• Fixed pip check for environments installing mkl-service gh-201, broken when mkl was introduced as runtime dependency gh-177

2.7.1

This is a bug-fix release, identical to 2.7.0 in terms of features.

This release only serves to make mkl-service backward compatible with MKL down to at least 2023.2, which fixes OSX builds on conda-forge (as MKL 2023.2 is the last available version there).

Changed

• Make mkl-service backward compatibility from MKL 2026.0 down to at least 2023.2 gh-193, broken by gh-175

Fixed

• Changed insecure HTTP URLs to HTTPS in pyproject.toml and conda recipe files for improved security gh-189

2.7.0

Overview

This release modernizes mkl-service with updated Intel MKL instruction set support, improved dependency management, and enhanced code quality. Python 3.9 support has been dropped, and several legacy CBWR branches have been removed in alignment with the latest Intel® oneAPI Math Kernel Library (oneMKL).

Highlights

🎯 New Intel Architecture Support

• Added support for AVX10 and AVX512_E5 instruction set architecture (ISA) constants
• Introduced AVX10 conditional numerical reproducibility (CNR) constants with strict variants

📦 Improved Dependency Management

• MKL is now explicitly declared as a runtime dependency
• Build process simplified with mkl-devel as a formal build dependency

🔧 Code Quality Improvements

• Fixed Cython compilation warnings for cleaner builds
• Removed star imports from package initialization, preventing namespace pollution
• Improved module import hygiene

⚠️ Breaking Changes

• Python 3.9 support dropped - Minimum supported version is now Python 3.10+
• Legacy CBWR branches removed: ssse3, sse4_1, avx, avx512_mic, avx512_mic,strict, and avx512_mic_e1 are no longer supported

Python Version Support

• ✅ Python 3.10, 3.11, 3.12, 3.13, 3.14
• ❌ Python 3.9 and earlier

Detailed Changes

Added

• Added support for ISA constants "avx10" and "avx512_e5" and CNR constants "avx10" and "avx10,strict" gh-175

Changed

• Added mkl as a runtime dependency and mkl-devel as build dependency in pyproject.toml gh-177

Removed

• Dropped support for Python 3.9 gh-118
• Dropped support for "ssse3", "sse4_1", "avx", "avx512_mic", "avx512_mic,strict", and "avx512_mic_e1" cbwr branches gh-173

Fixed

• Fixed Cython warnings when building mkl-service gh-183
• Removed use of star import in mkl-service initialization, which removes imported module pollution from the namespace gh-178

Contributors

• Anton Volkov (@antonwolfy)
• Evseniia Komarova (@ekomarova)
• Nikita Grigorian (@ndgrigorian)

New Contributors

• Nikolay Petrov (@napetrov)

Full Changelog: 2.6.1...2.7.0

v2.6.1

This is a bug-fix release, including resolving:

• an issue with the run-time dependencies of mkl-service package to explicitly depend on a non–free-threaded (GIL-enabled) Python gh-111

Full Changelog: 2.6.0...2.6.1

v2.6.0

Added

• Enabled support of Python 3.14 gh-100

Changed

• Used GIT_DESCRIBE_TAG and GIT_DESCRIBE_NUMBER in meta.yaml instead of manual stepping the numbers gh-98
• Updated meta.yaml recipe and documentation with approved oneMKL name gh-87

Contributors

• @antonwolfy
• @ekomarova

Full Changelog: v2.5.2...2.6.0

v2.5.2

This is a bug-fix release, including:

• Updated meta.yaml with proper license description to pass the validation rules gh-87

Contributors

• @antonwolfy

Full Changelog: v2.5.1...v2.5.2

v2.5.1

This is a bug-fix release, including resolving:

• import issue in the virtual environment which breaks loading of MKL libs gh-85

New Contributors

• @antonwolfy

Full Changelog: v2.5.0...v2.5.1

v2.5.0

Added support of Python 3.13.

Transition from setup.py to pyproject.toml.
Added out of the box support in virtual environment.

v2.4.2

Incremental release.

Tests checking library version moved to the end of the test suite, as after it is run, the state of the library is finalized, and tests that modify that state may fail.

Updated installation instructions.