Awkward Array

<!-- Release notes generated using configuration in .github/release.yml at v2.14.0 -->

What's Changed

New features

• feat: add ak.from_cudf and rewrite to_cudf via libcudf by @aashirvad08 in https://github.com/scikit-hep/awkward/pull/3949

Bug Fixes

• fix: remove the vectorized union-flattening fast path by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4303
• fix: enforce the plain-function contract in @experimental by @aashirvad08 in https://github.com/scikit-hep/awkward/pull/4320
• fix: to_arrow datetime conversion by @ianna in https://github.com/scikit-hep/awkward/pull/3647
• fix: out-of-bounds write in Cupy.repeat() with trailing zeros by @kmohrman in https://github.com/scikit-hep/awkward/pull/4311

Performance

• perf: optimize option-type ListArray to Arrow conversion by @aashirvad08 in https://github.com/scikit-hep/awkward/pull/4207
• perf: project option inputs in broadcasting with one nonzero and integer takes by @lgray in https://github.com/scikit-hep/awkward/pull/4326
• perf: skip named-axis machinery when no input carries named axes by @ikrommyd in https://github.com/scikit-hep/awkward/pull/4332
• perf: cache whether a virtual array's shape is known by @ikrommyd in https://github.com/scikit-hep/awkward/pull/4337
• perf: return the input array from asarray when it already has the requested dtype by @ikrommyd in https://github.com/scikit-hep/awkward/pull/4343
• perf: test field-name slices before integer-like slices by @ikrommyd in https://github.com/scikit-hep/awkward/pull/4344
• perf: fast-path int and numpy integers in is_integer by @ikrommyd in https://github.com/scikit-hep/awkward/pull/4345

Documentation

• docs: require the experimental mark when introducing new public APIs by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4299
• docs: render experimental API notices by @Soumoditya in https://github.com/scikit-hep/awkward/pull/4315
• docs: add summary lines to 9 field/name/parameter operation docstrings by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4134
• docs: add summary lines to 8 from_* array-library converter docstrings by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4136
• docs: add kmohrman as a contributor for code by @allcontributors[bot] in https://github.com/scikit-hep/awkward/pull/4328
• docs: add summary lines to 8 missing-value operation docstrings by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4130
• docs: update CITATION.cff by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4330
• docs: read the Chicago taxi dataset from an R2 mirror by @ianna in https://github.com/scikit-hep/awkward/pull/4327

Testing

• test: exclude layouts affected by #4305 from the parquet roundtrip tests by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4306
• test: widen has_issue_4264 to lists under untrimmed regular content by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4309
• test: exclude layouts affected by #4316 from the Arrow test_roundtrip comparison by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4317
• test: add a no-raise property-test module for ak.any by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4314
• test: widen _has_issue_4228 to union option children longer than their used length by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4318
• test: match the experimental warning filter by message, not by class path by @ikrommyd in https://github.com/scikit-hep/awkward/pull/4353

Build & CI

• ci: pin numpy below 2.5 in the GPU test environment by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/4313
• chore(deps): bump hypothesis-awkward from 0.19.1 to 0.20.0 by @dependabot[bot] in https://github.com/scikit-hep/awkward/pull/4294
• chore: generate kernel artefacts from CMake instead of nox -s prepare by @henryiii in https://github.com/scikit-hep/awkward/pull/4190
• ci: deploy the documentation to the gh-pages branch by @ariostas in https://github.com/scikit-hep/awkward/pull/4323
• chore(deps): bump the actions group across 1 directory with 5 updates by @dependabot[bot] in https://github.com/scikit-hep/awkward/pull/4322
• chore: Cap cuda-cccl version at 1.1.1 by @shwina in https://github.com/scikit-hep/awkward/pull/4356

New Contributors

• @Soumoditya made their first contribution in https://github.com/scikit-hep/awkward/pull/4315
• @kmohrman made their first contribution in https://github.com/scikit-hep/awkward/pull/4311

Full Changelog: https://github.com/scikit-hep/awkward/compare/v2.13.0...v2.14.0