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CHANGELOG.md

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Changelog

All notable changes to libcasm-global will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[2.4.1] - 2026-02-25

Fixed

  • Fixed scope of the max_threads variable in libcasm.global to ensure it is shared globally.
  • Reworked use of atomic variables for stop_requested to only use std::atomic_bool if the implementation is lock-free.
  • Replace std::result_of (deprecated in C++17, removed in C++20) with std::invoke_result to fix warnings.

[2.4.0] - 2026-02-03

Added

  • Added CASM::threaded_run and CASM::threaded_pipeline methods to run threaded loops and pipelines in C++.
  • Added get_max_threads, set_max_threads, reset_max_threads to libcasm.global to get/set a configuration parameter that can be used to control the number of threads used by CASM methods that support multithreading and check the configuration parameter value.
  • Added stop_requested, request_stop, and reset_stop_requested methods to libcasm.global for sending/receiving stop signals to running threaded loops and pipelines.
  • Added CASMpy::run_with_sigint_handler method to allow C++ extension functions to check for stop requests triggered by SIGINT signals (i.e. Ctrl+C) received by the calling Python process.

[2.3.0] - 2025-12-15

Changed

  • Build for Python 3.14
  • Stop building for Python 3.9
  • Restrict requires-python to ">=3.10,<3.15"

[2.2.0] - 2025-08-14

Changed

  • Set pybind11~=3.0

[2.1.0] - 2025-08-07

Changed

  • Build Linux wheels using manylinux_2_28 (previously manylinux2014)

[2.0.6] - 2025-05-02

Changed

  • Build for Python 3.13
  • Restrict requires-python to ">=3.9,<3.14"
  • Run CI tests using Python 3.13
  • Build MacOS arm64 wheels using MacOS 15
  • Build Linux wheels using Ubuntu 24.04

[2.0.5] - 2024-07-11

Changed

  • Wheels compiled with numpy>=2.0.0
  • Run github actions on push, pull_request, and weekly
  • Use ruff NPY201

[2.0.4] - 2024-01-26

Fixed

  • Fix index_to_kcombination (933735c)

Updated

  • Updated docs theme

Added

  • Building wheel for Python3.12

[2.0.3] - 2023-08-10

Changed

  • Updated project metadata and README

Removed

  • Removed CONTRIBUTE.md. This information is now included on the CASM website.

[2.0.2] - 2023-08-09

Changed

  • Changed to build x86_64 wheels with Github Actions and aarch64 and arm64 wheels with Cirrus-CI

[2.0.1] - 2023-08-02

Added

  • Build wheels for Linux aarch64.

Changed

  • Changed libcasm_global install location to site_packages/libcasm/lib for all architectures.
  • Updated docs to refer to installation and contribution guidelines on CASMcode_docs page.
  • Changed C++ tests to use a separate CMake project and fetch googletest

Removed

  • Removed googletest submodule

[2.0.0] - 2023-07-18

Added

  • This module includes parts of CASM v1 that are generically useful, including: casm/casm_io, casm/container, casm/external/Eigen, casm/external/gzstream, casm/external/MersenneTwister, casm/global, casm/misc, and casm/system
  • This module enables installing via pip install, using scikit-build, CMake, and pybind11
  • Added external/nlohmann JSON implementation
  • Added external/pybind11_json
  • Added Python package libcasm.casmglobal with CASM global constants
  • Added Python package libcasm.counter with IntCounter and FloatCounter
  • Added GitHub Actions for unit testing
  • Added GitHub Action build_wheels.yml for Python wheel building using cibuildwheel
  • Added Python documentation

Changed

  • Changed KB and PLANCK to CODATA 2014 suggestions

Removed

  • Removed autotools build process
  • Removed boost dependencies
  • Removed external/json_spirit
  • Removed external/fadbad
  • Removed external/qhull