Awkward Array Files

New features

• feat: add segmented argmin and argmax by @ianna in https://github.com/scikit-hep/awkward/pull/3449
• feat: change argmin and argmax algorithms to handle big data by @ianna in https://github.com/scikit-hep/awkward/pull/3450
• feat: implement segment count_nonzero reducer by @ianna in https://github.com/scikit-hep/awkward/pull/3452
• feat: support unknown_length for virtual arrays in order to read without any materialization by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3475
• feat: enable jax backend for virtual arrays by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3451
• feat: Add a parquet uuid calculation by @NJManganelli in https://github.com/scikit-hep/awkward/pull/3440

Bug-fixes and performance

• fix: typo in UnionArray combinations by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3438
• fix: pyarrow 19.0 support by @ianna in https://github.com/scikit-hep/awkward/pull/3416
• fix: force gc in numba test by @ianna in https://github.com/scikit-hep/awkward/pull/3448
• fix: highlevel function dispatch type hint by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3447
• fix: remove mixed numpy<->jax arrays in Jax backend by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3446
• fix: better support for pyright by @henryiii in https://github.com/scikit-hep/awkward/pull/3453
• fix: setitem in ak firsts with jax backend by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3455
• fix: replace some __setitem__ calls with .at[where].set(value) for the jax backend by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3457
• fix: remove duplicate failing raggedtensor test when you have a GPU on the system by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3461
• fix: single int slicing for named axis by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3469
• fix: add ptr implementation and fix __setitem__ for Index and tocarryraw to make ak.(arg)combinations work for the jax backend by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3471
• fix: check for error being None in the output of validity kernels by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3479
• fix: minor things required for the whole ci to work with virtual arrays by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3484
• fix: jax reducers returning incorrect output values or lengths by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3464
• fix: avoid calling shape_generator inside generator if it has already been called by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3490
• fix: add field metadata to record its option type by @ianna in https://github.com/scikit-hep/awkward/pull/3478
• fix: add maps_as_pydicts parameter to to_pylist by @ianna in https://github.com/scikit-hep/awkward/pull/3492
• fix: consistent materializing length across all layouts by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3489

Other

• refactor: move form_with_unique_keys here by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3482
• revert: "fix: setitem in ak firsts with jax backend" by @ianna in https://github.com/scikit-hep/awkward/pull/3460
• docs: minor fixes to JAX guide + add VJP example by @Saransh-cpp in https://github.com/scikit-hep/awkward/pull/3439
• docs: add ikrommyd as a contributor for test by @allcontributors in https://github.com/scikit-hep/awkward/pull/3472
• docs: add NJManganelli as a contributor for code by @allcontributors in https://github.com/scikit-hep/awkward/pull/3481
• chore: update pre-commit hooks by @pre-commit-ci in https://github.com/scikit-hep/awkward/pull/3436
• chore: update pre-commit hooks by @pre-commit-ci in https://github.com/scikit-hep/awkward/pull/3443
• chore: update pre-commit hooks by @pre-commit-ci in https://github.com/scikit-hep/awkward/pull/3445
• chore: update pre-commit hooks by @pre-commit-ci in https://github.com/scikit-hep/awkward/pull/3470
• chore: use ubuntu-latest for coverage by @ianna in https://github.com/scikit-hep/awkward/pull/3473
• chore: update pre-commit hooks by @pre-commit-ci in https://github.com/scikit-hep/awkward/pull/3476
• chore: update pre-commit hooks by @pre-commit-ci in https://github.com/scikit-hep/awkward/pull/3486
• chore: update pyarrow version in the full testing requirements by @ianna in https://github.com/scikit-hep/awkward/pull/3487
• chore: remove the upper pin on pyarrow by @ianna in https://github.com/scikit-hep/awkward/pull/3493
• chore(deps): bump scientific-python/upload-nightly-action from 0.6.1 to 0.6.2 in the actions group by @dependabot in https://github.com/scikit-hep/awkward/pull/3442
• chore(deps): bump the actions group with 2 updates by @dependabot in https://github.com/scikit-hep/awkward/pull/3485

New Contributors

• @NJManganelli made their first contribution in https://github.com/scikit-hep/awkward/pull/3440

Full Changelog: https://github.com/scikit-hep/awkward/compare/v2.8.1...v2.8.2