v2026.3.10

• Confirm support for Python 3.14 and drop 3.9 by @khaeru in #57
• Add #type: ignore to silence mypy errors by @phackstock in #58
• Bump actions/checkout from 5 to 6 in the all-actions group by @dependabot[bot] in #59
• Change GDP deflator for EUR and add factor for EUR_2024 by @mwerning in #60

New Contributors

• @mwerning made their first contribution in #60

Full Changelog: v2025.10.13...v2026.3.10

v2025.10.13

• Configure cache path using environment variable by @khaeru in #55

Full Changelog: v2025.9.12...v2025.10.13

v2025.9.12

• Fix failing tests by @phackstock in #50
• Silence pint.util unit overwrite warnings by @phackstock in #52
• Improvements and housekeeping for 2024-W15 by @khaeru in #48

Full Changelog: v2023.9.12...v2025.9.12

v2023.9.12

• Add typing_extensions to dependencies on Python 3.7 for Literal by @khaeru in #46

Full Changelog: v2023.9.11...v2023.9.12

v2023.9.11

• Add USD-GDP deflators, remove exchange rate to EUR by @danielhuppmann in #43
• Add function to explicitly configure currency conversion by @khaeru in #44
• Handle units like "kg / MJ" in convert_gwp() by @khaeru in #45

Full Changelog: v2022.10.27...v2023.9.11

v2022.10.27

• Adjust for pint 0.20 release on 2022-10-25 (#40, #41).

v2022.7.25

• Remove "tonne_freight" so that e.g. "tkm" is parsed as tonne * km; with ordinary mass units (#39).
• Add [energy] units "litre_of_diesel_equivalent" (#39).

v2022.6.14 - Additional GWP metrics from IPCC AR6

Update GWP factors to use globalwarmingpotentials v0.9.3, adding metrics AR6GWP20, AR6GWP500 and AR6GTP100.

2021-11-12

• Add units: EUR_2020
• Adjust for compatibility with pint v0.18, released 2021-10-26.

v2021.8.12 - GWP conversion factors from IPCC AR6

• Include GWP100 conversion factors from the IPCC AR6 WG1 report
• Refactor the emissions module to use the globalwarmingpotentials package instead of a hard-coded csv file in this repository.