Awkward Array Files

New features

• feat: add behavior cls validation hook by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3710
• feat: add a playground for cccl studies by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3734
• feat: add cuda.compute implementation to CCCL study by @shwina in https://github.com/scikit-hep/awkward/pull/3748
• feat: ability to optionally disable the caching of virtual arrays on themselves by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3741

Bug-fixes and performance

• fix: string array numpy conversion fails with int32 offsets from parquet by @DylanModesitt in https://github.com/scikit-hep/awkward/pull/3697
• fix: only check length against empty form in ak.from_buffers if it is known by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3714
• fix: typestr respects now limit_cols for .show and repr_mimebundle by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3712
• fix: ArrayBuilder.__bool__ raises TypeError when builder length is 1 by @T90REAL in https://github.com/scikit-hep/awkward/pull/3738
• fix: prevent teardown from crashing GPU test suite by @ianna in https://github.com/scikit-hep/awkward/pull/3747
• fix: hide awkward.ak_ and awkward.str.akstr_ from 'awkward' and 'awkward.str' module by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3752
• fix: align multi-level indices before merge in to_dataframe() by @TaiSakuma in https://github.com/scikit-hep/awkward/pull/3733
• fix: numba test failures on Python 3.14 by @ianna in https://github.com/scikit-hep/awkward/pull/3757
• fix: incorrect passing of Index inside nplike function in to_IndexedOptionArray64 by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3727
• fix: weights should not be raised to the power n in the n-th moment calculation by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3729
• fix: ak.Record creation from iterable with nested dicts by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3728
• fix: keep track of buffer key instead of field path for VirtualNDArrays & PlaceholderArrays by @pfackeldey in https://github.com/scikit-hep/awkward/pull/3751
• fix: typetracer nplike's all function leads to infinite recursion for axis=None by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3765

Other

• ci: fix compilation on self-hosted CI and test with multiple versions of CUDA by @ariostas in https://github.com/scikit-hep/awkward/pull/3704
• chore: update acknowledgements to include NumFOCUS affiliation by @ianna in https://github.com/scikit-hep/awkward/pull/3708
• chore: update pre-commit hooks by @pre-commit-ci[bot] in https://github.com/scikit-hep/awkward/pull/3709
• chore: pytest log_level is better than log_cli_level by @henryiii in https://github.com/scikit-hep/awkward/pull/3719
• chore: update requirements files for latest possible python versions by @ikrommyd in https://github.com/scikit-hep/awkward/pull/3739
• chore(deps): bump the actions group with 2 updates by @dependabot[bot] in https://github.com/scikit-hep/awkward/pull/3744
• chore: update pre-commit hooks by @pre-commit-ci[bot] in https://github.com/scikit-hep/awkward/pull/3754
• chore: Remove CUDA 11 support by @shwina in https://github.com/scikit-hep/awkward/pull/3758
• chore(ci): use macos-15-intel for x86 wheel building and testing by @ariostas in https://github.com/scikit-hep/awkward/pull/3720
• docs: add new versions to version selector by @ariostas in https://github.com/scikit-hep/awkward/pull/3707
• docs: 3.14 is supported by @henryiii in https://github.com/scikit-hep/awkward/pull/3717
• docs: add T90REAL as a contributor for code by @allcontributors[bot] in https://github.com/scikit-hep/awkward/pull/3742
• docs: Add dependency and version change guidelines by @ianna in https://github.com/scikit-hep/awkward/pull/3745
• docs: add shwina as a contributor for code by @allcontributors[bot] in https://github.com/scikit-hep/awkward/pull/3759
• docs: Add an example summation reducer using cccl by @maxymnaumchyk in https://github.com/scikit-hep/awkward/pull/3762

New Contributors

• @T90REAL made their first contribution in https://github.com/scikit-hep/awkward/pull/3738
• @shwina made their first contribution in https://github.com/scikit-hep/awkward/pull/3748

Full Changelog: https://github.com/scikit-hep/awkward/compare/v2.8.10...v2.8.11