CoolProp GitHub

CoolProp 8.0.0 is a major release. Install the Python wrapper with `pip install CoolProp==8.0.0` (wheels for Linux/macOS/Windows incl. ARM; a single `abi3` wheel on Python ≥ 3.12). Full changelog: https://coolprop.github.io/CoolProp/coolprop/changelog.html ## Highlights - **SVDSB

CoolProp Desktop GUI release. Bundles are unsigned (Gatekeeper / SmartScreen workarounds documented in `wrappers/GUI/README.md`). ⚠️ Unsigned alpha binaries This alpha ships unsigned on macOS and Windows. The signing pipeline is fully implemented in CI (Apple Developer ID + notar

First public **alpha** of the CoolProp Desktop GUI. Bundled with **CoolProp 7.2.1-dev**. These bundles are **unsigned**. Each platform requires a one-time workaround. ## macOS (Apple Silicon) ```sh xattr -dr com.apple.quarantine /path/to/CoolProp.app open /path/to/CoolProp.app ``

# Highlights: * Fixed performance regression for P+{H,S,U} and T+{H,S,U,D} caused by copies being made of the superancillary data structures * Flash routine tuning to improve robustness in the critical region # Issues closed: * [#2491](https://github.com/CoolProp/CoolProp/issues/

Highlights: * Added support for python 3.14 * Modernized the build system to use scikit-build-core, and supports uv now too * Added methods for ideal gas properties * More tweaks to iterative routines Issues closed: * [#2589](https://github.com/CoolProp/CoolProp/issues/2589) : Pr

<p>Update changelog</p>

Highlights: * Implement the `COOLPROP_REFPROP_ROOT` environment variable to make REFPROP integration easier * Allow the configuration variables to be set via environment variables Issues closed: * https://github.com/CoolProp/CoolProp/issues/1829 : CoolProp can't load REFPROP v10

v6.7.0 Download location: https://sourceforge.net/projects/coolprop/files/CoolProp/6.7.0/ Highlights: * Added wheels for Python 3.13 * Added EOS for R-1336mzz(E) Issues closed: * https://github.com/CoolProp/CoolProp/issues/2307 : Feature Request: Implementation of the novel Refri

**Download location**: https://sourceforge.net/projects/coolprop/files/CoolProp/6.6.0/ **Full Changelog**: https://github.com/CoolProp/CoolProp/compare/v6.5.0...v6.6.0

**Download location**: https://sourceforge.net/projects/coolprop/files/CoolProp/6.5.0/ **Full Changelog**: https://github.com/CoolProp/CoolProp/compare/v6.4.3...v6.5.0

**Download location**: https://sourceforge.net/projects/coolprop/files/CoolProp/6.4.3/ **Full Changelog**: https://github.com/CoolProp/CoolProp/compare/v6.4.2...v6.4.3

## What's Changed * Never allow two-phase SOS. by @ibell in https://github.com/CoolProp/CoolProp/pull/1837 * Allow list delimiter to be changed by @ibell in https://github.com/CoolProp/CoolProp/pull/1838 * fixes in doxygen docu for fundamental derivative by @DGSEM in https://gith

# CoolProp v6.4.1 ## Highlights: * Fixed the nightly builds * Added documentation for the NuGet packages by MadsKirkFoged ## Deprecated: * Removed the n-dimensional input for Python due to too many bugs ## Issues Closed: * #1960: Docs do not build * #1952: CoolProp Module not Fou

6.4.0 ----- Highlights: * Added a working version of PC-SAFT EOS (big thanks to Zach Baird) * Updated EOS for neon, helium * Added Python 3.8 wheels Deprecated: * Python 2.7 interface. This will be the last release supporting Python 2.7 * 32-bit builds on OSX Issues Closed: * #19

# CoolProp v6.3.0 ## Highlights: * The molar mass gets now reset properly - affected mixture calculations with changing concentrations. * The humid air calculations check the inputs and outputs according to the limits from the publication. * The isentropic expansion coefficient c

6.2.0 ----- New Features: * Added a new EoS for heavy water * Added pre-built wheels for Python 3.6 and Python 3.7 * The MATLAB wrappers have been abandoned in favour of Python-based calls * Add phase specification to high-level interface * LabVIEW VIs can now call PropsSI and Pr

# 6.1.0 New features: - Windows installer for Microsoft Excel - Added VTPR backend - Twu and Mathias-Copeman attractive parameters can be set for PR and SRK - Major improvements to Excel wrapper - Added EOS for MDM of M. Thol - Implemented first version of PT flash calculations f

## 5.1.2 New features: - Android wrapper available - Javascript interface extended to export AbstractState and some functions - Fixed a wide range of issues with tables - ... and a lot of little bugfixes (see issues) Issues Closed: - `#914 <http://github.com/CoolProp/CoolProp/iss

New features: A wrapper for the R language Tabular integration with tables from REFPROP only for now The Python wrapper is now also available on binstar: https://binstar.org/CoolProp/coolprop ... and a lot of little bugfixes (see issues) Issues Closed: #724 : Gibbs not working as

New features: Tabular interpolation using TTSE or Bicubic interpolation (http://www.coolprop.org/coolprop/Tabular.html) Equation of state for heavy water Added IF97 backend for industrial formulation for properties of pure water Lots of little bugfixes (see issues) Issues Closed:

New features: Added a Smath Studio native wrapper (thanks to Mike Kaganski for all his help) Lots of little cleanups to the code (thanks to Mike Kaganski) Issues Closed: #510 : const, ref and iterator optimization #509 : Exceptions restructured #505 : AbstractState in python shou