coffea

What's Changed

New Features

• feat: allow TreeMakerSchema to handled more than doubly nested collections by @yimuchen in https://github.com/scikit-hep/coffea/pull/1271
• feat: Added length-0 fallback method for ML tools by @yimuchen in https://github.com/scikit-hep/coffea/pull/1265
• feat: Weighted cutflow by @NJManganelli in https://github.com/scikit-hep/coffea/pull/1272

Bugfixes

• fix: use ak.mask instead of ak.Array.mask by @pfackeldey in https://github.com/scikit-hep/coffea/pull/1253
• fix: avoid pickling of numba objects by @lgray in https://github.com/scikit-hep/coffea/pull/1259
• fix: fix coffea docs links everywhere by @ikrommyd in https://github.com/scikit-hep/coffea/pull/1268
• fix: error if name already exists in analysis_tools's Weights and PackedSelection by @ikrommyd in https://github.com/scikit-hep/coffea/pull/1274
• fix: missing momentum class for PFCands by @lgray in https://github.com/scikit-hep/coffea/pull/1293

Misc.

• ci: bump pypa/gh-action-pypi-publish from 1.12.3 to 1.12.4 by @dependabot in https://github.com/scikit-hep/coffea/pull/1255
• ci(pre-commit): pre-commit autoupdate by @pre-commit-ci in https://github.com/scikit-hep/coffea/pull/1258
• ci: test taskvine in py313 by @lgray in https://github.com/scikit-hep/coffea/pull/1257
• ci(pre-commit): pre-commit autoupdate by @pre-commit-ci in https://github.com/scikit-hep/coffea/pull/1266
• build: unpin dask from above move pins for dak and dask-histogram by @lgray in https://github.com/scikit-hep/coffea/pull/1276
• ci: run with pytest-xdist and split dask client / not client tests by @andrzejnovak in https://github.com/scikit-hep/coffea/pull/1278
• build: try removing dask pin by @lgray in https://github.com/scikit-hep/coffea/pull/1267
• ci(pre-commit): pre-commit autoupdate by @pre-commit-ci in https://github.com/scikit-hep/coffea/pull/1282
• ci: bump actions/attest-build-provenance from 2.2.0 to 2.2.2 by @dependabot in https://github.com/scikit-hep/coffea/pull/1287
• ci(pre-commit): pre-commit autoupdate by @pre-commit-ci in https://github.com/scikit-hep/coffea/pull/1288
• ci: bump actions/attest-build-provenance from 2.2.2 to 2.2.3 by @dependabot in https://github.com/scikit-hep/coffea/pull/1290
• ci(pre-commit): pre-commit autoupdate by @pre-commit-ci in https://github.com/scikit-hep/coffea/pull/1291
• chore: move pyupgrade to py39 or greater, use torch-cpu wheels by @lgray in https://github.com/scikit-hep/coffea/pull/1292

Full Changelog: https://github.com/scikit-hep/coffea/compare/v2025.1.1...v2025.3.0