Changelog

[0.20.0] - 2026-10-16

What’s Changed

Breaking Changes

• Simplify dependency setup and CI by @liammegill in #188

Fixed

• Fix radau bug and silence superfluous warnings by @liammegill in #173

• Optimise contrail search algorithms by @liammegill in #174

• Fix EGWP calculation by @liammegill in #176

• Fix release-only filters and manual runs of install tests by @liammegill in #179

• Optimise 2D interpolation by @liammegill in #178

• Fix metadata git commit by @liammegill in #184

• Fix panel and pytest deprecation warnings by @liammegill in #186

Documentation

• Add demo for updating config files in loops by @liammegill in #177

• Fix demos on openairclim.org by @stefan-voelk in #187

Maintenance

• Bump prefix-dev/setup-pixi from 0.10.2 to 0.11.0 by @dependabot[bot] in #183

• Fix a sometimes failing test by @liammegill in #182

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.19.1…v0.20.0

[0.19.1] - 2026-10-01

What’s Changed

Added

• Add hermite cubic low-soot method by @liammegill in #164

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.19.0…v0.19.1

[0.19.0] - 2026-09-28

This release includes the validated NOx perturbation approach from AirClim. Please note that in example.toml, the assumed NOx definition for the input inventories was changed from NO to NO2. This change was done to align with AirClim and scientific convention.

What’s Changed

Added

• Add EGWP climate metric and corresponding test functions by @liammegill in #161

• Add metadata to OpenAirClim output by @liammegill in #163

• Add NOx perturbation responses by @stefan-voelk in #166

Fixed

• Update workflows by @liammegill in #157

• Update release workflow to align with issue tracking by @liammegill in #160

Maintenance

• Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #158

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.18.2…v0.19.0

[0.18.2] - 2026-09-15

What’s Changed

Documentation

• Add developer guide and quick start

• Update installation instructions

Added

• Add ruff linter and remove prospector, pylint and black

Fixed

• Fix bug in download_zenodo CLI command

Breaking Changes

• Add pixi setup and remove uv setup by @liammegill in #150

• Remove run.py

Maintenance

• Bump actions/download-artifact from 4 to 8 by @dependabot[bot] in #147

• Bump actions/upload-artifact from 4 to 7 by @dependabot[bot] in #146

• Clean repo for linting with ruff by @liammegill in #151

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.18.1…v0.18.2

[0.18.1] - 2026-09-03

What’s Changed

Documentation

• Introduce native uv installation option by @liammegill in #142

Other Changes

• Remove separate plot windows by @liammegill in #143

• Bump uv.lock to include sphinx-design by @liammegill in #144

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.18.0…v0.18.1

[0.18.0] - 2026-09-02

What’s Changed

Added

• Package OpenAirClim for PyPI: pyproject.toml, replace cf-units with pint, pip/conda CI matrix, remove zenodo_get by @liammegill in #126

Breaking Changes

• Prepare OpenAirClim for PyPI release by @liammegill in #128

Fixed

• Refactor coverage badge generation in build-docs.yml by @liammegill in #138

Maintenance

• Bump conda-incubator/setup-miniconda from 3 to 4 by @dependabot[bot] in #131

• Bump actions/cache from 4 to 6 by @dependabot[bot] in #132

• Bump actions/checkout from 4 to 7 by @dependabot[bot] in #133

• Bump actions/setup-python from 5 to 7 by @dependabot[bot] in #136

• Bump dorny/paths-filter from 3 to 4 by @dependabot[bot] in #134

Other Changes

• Final preparations for initial PyPI release by @liammegill in #139

• Fix lambda CO2 by @liammegill in #130

New Contributors

• @dependabot[bot] made their first contribution in #131

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.17.0…v0.18.0

[0.17.0] - 2026-08-25

Added

• Graphical user interface, command-line entry points and pydantic validation by @liammegill in #123

  • Add GUI #117

  • Add command-line capability #118

• Update efficacies in example.toml to match MRV specification #115

Breaking Changes

• Package reorganised into openairclim/core/, openairclim/gui/ and openairclim/addon/ #123

• Config directory paths no longer require a trailing / #123

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.16.0…v0.17.0

[0.16.0] - 2026-03-19

Added

• Parametric module by @ahsawa in #106

  • Add parametric scenario module #84

  • Refactoring and integration by @stefan-voelk

New Contributors

• @ahsawa made his first contribution in #106

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.15.0…v0.16.0

[0.15.0] - 2026-03-18

Added

• OpenAirClim Contrail Module by @liammegill in #109

  • New Ice Supersaturation Frequency #68

  • Introduce contrail attribution methods #69

  • Add premium functionality #108

Fixed

• Protect CFDD calculation from too high/low plev values #86

• Wingspan correction does not allow limit values #95

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.14.0…v0.15.0

[0.14.0] - 2026-03-18

Added

• Introduced Stratospheric Water Vapour (SWV) module. #107 @atzeharmsen

New Contributors

• @atzeharmsen made his first contribution in #107

Full Changelog: https://github.com/dlr-pa/oac/compare/v0.13.0…v0.14.0

[0.13.0] - 2025-11-19

Added

• Attribution methodologies for species CO2 and CH4: #96 @liammegill

  • Residual, marginal, proportional (default) and differential attribution

• Aircraft characteristics provided from csv file: #92 @liammegill

• Capability to switch on/off plots: #29 @liammegill

• Capability to switch off climate metrics: #75 @liammegill

Fixed

• Normalization / scaling uses incorrect reference emission inventory: #97 @liammegill

[0.12.0] - 2025-09-23

Added

• Online documentation on openairclim.org bundling different types of documentation: #82 @liammegill @stefan-voelk

  • Introduction

  • Installation guide

  • Getting started

  • User Guide (new)

  • Demonstrations (new)

  • Scientific Background (new) #62 @liammegill

  • Publications (new)

  • API Reference

  • Governance (new)

  • Contact and Support (new)

  • Bibliography

Updates

• Streamline README considering website as a new focus for documentation

[0.11.1] - 2025-04-15

Fixed

• Fixed PermissionError when example input directory does not yet exist. #76 @stefan-voelk

[0.11.0] - 2025-04-02

Added

• Capability for multiple aircraft to be present within the input emission inventory along data variable “ac”

Updates

• Added capability for multiple aircraft within same emission inventory. #16 @liammegill

• Fixed logger handlers at end of OpenAirClim run. #66 @liammegill

[0.10.0] - 2025-03-06

Added

• Contrails module: Megill_2025 methodology after Megill & Grewe, in prep.

Updates

• Time evolution with function adjust_inventories(config, inv_dict) for application on emission inventories before simulation

[0.9.0] - 2024-12-04

Added

• Species: $O_3$, $CH_4$, PMO and Contrails

Limitations

• Limited resolution of response surfaces and pending validation for species $O_3$, $CH_4$ and PMO

• Stratospheric Water Vapor (SWV) not considered in this version

• Contrails module: AirClim 2.1 methodology including simulations for $H_2$ from AHEAD project

• Climate impact of longer species lifetimes in the stratosphere not considered

• Overhanging effect on next year not considered for species lifetimes in the order of time step (year)

Updates

• Change of versioning scheme to semantic versioning

• Move repository directory

• Integrate default configuration settings

[0.8.3] - 2024-09-04

To comply with semantic versioning, the original release v2.8.3 has been renamed to v0.8.3. The v2.8.3 tag remains and a future v2.8.3 will be skipped.

Added

• Processing of 4D emission data sets: (lon, lat, plev) for multiple inventory years

• Supported species: $CO_2$ and $H_2O$

• Temperature evolution and climate metrics

• Some response functions available