What’s new?¶

Next release¶

Python 3.14 (released 2025-10-07) is fully supported (PR #111).
Python 3.9 support is dropped, as it has reached end-of-life (PR #111). item requires Python 3.10 or later.
Drop submodule/packaging of transportenergy/metadata (PR #99); instead, fetch these files over the network and cache them.
New class ModelInfo (PR #99), replacing an old/unspecified YAML syntax for information about participating models. Instances of this class are in submodules of item.model, including 5 new submodules.
New structure.sdmx.make_iamc_variable_cl() (PR #99).
New util.metadata_repo_file() (PR #99).

Bug fix: the v2025.3.30 release omitted some package data files, leading to issues like #96 (PR #97).

Add A001 and A002 historical quality diagnostics (PR #74).
Adjust for compatibility with NumPy 2 (PR #87).
Drop support for Python version 3.8, which has reached EOL; test and declare support for Python 3.13 (PR #93).

Add data cleaning for the T005, T006, T007, T008 historical input data sources (PR #71).
Add data cleaning for the T004 historical input data source (PR #59).
Update Usage documentation (#41, PR #43).
Increase minimum Python version to 3.7 and ensure compatibility (#41, PR #43).
Add the Glossary page (PR #42).
Correct an error in the input data for T001 (#32, PR #40).