Version 2.6.4

New features

• feat: TypeTracerReport.data_touched_in should ignore unrecognized node_ids by @jpivarski in #3074
• feat: better error message for missing dispatch by @jpivarski in #3078
• feat: add boolean cases for CPU kernels by @ManasviGoyal in #3059
• feat: add ak.flatten and ak.concatenate kernels by @ManasviGoyal in #3086

Bug-fixes and performance

• fix: restrict ak.softmax to axis=-1, the only axis for which the calculation is correct right now by @jpivarski in #3072
• fix: Numpy 2.0 out of bounds error for BitMaskedArray Py kernels by @ManasviGoyal in #3073
• fix: _is_getitem_at_placeholder logic was backward for UnionArray by @jpivarski in #3083
• fix: refuse dak.Array in hidden-but-public-functions by @jpivarski in #3079
• fix: PyPy segfault may be related to using out-of-scope array by @jpivarski in #3093
• fix: distributed rdataframe is not yet support by @ianna in #3087
• fix: support conversion to arrow and back with non-option Unknown type by @tcawlfield in #3085
• fix: intermittent segfault in PyPy by @ianna in #3089
• fix: is_valid checks in header-only library by @zonca in #3091
• fix: UnmaskedArray was missing its _nextcarry_outindex by @jpivarski in #3097

Other

• test: cuda integration tests by @ManasviGoyal in #3065
• ci: macos-latest is changing to macos-14 ARM runners by @henryiii in #3092
• docs: new Try-It page based on plain Pyodide by @jpivarski in #3058
• docs: Add installation of nightly wheels instructions by @matthewfeickert in #3080
• docs: revamp documentation by @jpivarski in #3076
• chore: update pre-commit hooks by @pre-commit-ci in #3075
• chore: update pre-commit hooks by @pre-commit-ci in #3082
• chore: update pre-commit hooks by @pre-commit-ci in #3090
• chore: update pre-commit hooks by @pre-commit-ci in #3096
• chore(deps): bump amannn/action-semantic-pull-request from 5.4.0 to 5.5.2 in the actions group by @dependabot in #3095

Full Changelog: v2.6.3...v2.6.4

Version 2.6.3

This is the first release of Awkward Array that is compatible with NumPy 2.0.

New features

• feat!: printing a typetracer array should not touch it by @jpivarski in #3019
• feat: add to_parquet_dataset function by @zbilodea in #2898
• feat: adding support for numpy.real, imag, round, angle, by @tcawlfield in #3053
• feat: add miscellaneous CUDA kernels by @ManasviGoyal in #3021
• feat: add dask_tokenize hook by @lgray in #3017
• feat: added a commit method on TypeTracerReport to identify touched buffers in the Dask DAG-building pass by @jpivarski in #3043
• feat: Allow interoperability with numpy 2.x by @tcawlfield in #3064

Bug-fixes and performance

• fix: return ufunc as it is for user defined vectorized funcs by @Saransh-cpp in #3025
• fix: Support structured arrays in option type to_numpy by @zonca in #3060
• fix: Windows and 32-bit Linux default to 32-bit integers in sums and prods UNLESS it's NumPy 2.0 by @jpivarski in #3068
• perf: add a flag to turn off isinstance in TypeTracerArray._new by @jpivarski in #3054

Other

• test: TEMPORARY edits to get tests working for all PRs: NumPy 2.0 cap and turned off Try-It by @jpivarski in #3057
• test: new cuda kernels by @ManasviGoyal in #2922
• ci: Make wheel building workflow reusable by @matthewfeickert in #3016
• docs: fix styling of icons by @agoose77 in #3042
• docs: add a link to documentation of AwkwardArray in Julia by @ianna in #3052
• docs: add tcawlfield as a contributor for code by @allcontributors in #3067
• chore: keeping CONTRIBUTING.md up to date (take 1) by @jpivarski in #3038
• chore(deps): bump the actions group with 3 updates by @dependabot in #3048
• chore: update pre-commit hooks by @pre-commit-ci in #3050
• chore: update pre-commit hooks by @pre-commit-ci in #3063
• chore: update pre-commit hooks by @pre-commit-ci in #3069

New Contributors

• @tcawlfield made their first contribution in #3053

Full Changelog: v2.6.2...v2.6.3

Version 2.6.3rc2

New features

• feat!: printing a typetracer array should not touch it by @jpivarski in #3019
• feat: add to_parquet_dataset function by @zbilodea in #2898
• feat: adding support for numpy.real, imag, round, angle, by @tcawlfield in #3053
• feat: add miscellaneous CUDA kernels by @ManasviGoyal in #3021
• feat: add dask_tokenize hook by @lgray in #3017
• feat: added a commit method on TypeTracerReport to identify touched buffers in the Dask DAG-building pass by @jpivarski in #3043

Bug-fixes and performance

• fix: return ufunc as it is for user defined vectorized funcs by @Saransh-cpp in #3025
• perf: add a flag to turn off isinstance in TypeTracerArray._new by @jpivarski in #3054

Other

• docs: fix styling of icons by @agoose77 in #3042
• docs: add a link to documentation of AwkwardArray in Julia by @ianna in #3052
• ci: Make wheel building workflow reusable by @matthewfeickert in #3016
• test: TEMPORARY edits to get tests working for all PRs: NumPy 2.0 cap and turned off Try-It by @jpivarski in #3057
• chore: keeping CONTRIBUTING.md up to date (take 1) by @jpivarski in #3038
• chore(deps): bump the actions group with 3 updates by @dependabot in #3048
• chore: update pre-commit hooks by @pre-commit-ci in #3050

New Contributors

• @tcawlfield made their first contribution in #3053

Full Changelog: v2.6.2...v2.6.3rc2

Version 2.6.3rc1

The main purpose of this release is to make sure that the deployment machinery still works, now that the PYPI_PASSWORD had to be replaced.

New features

• feat!: printing a typetracer array should not touch it by @jpivarski in #3019
• feat: add to_parquet_dataset function by @zbilodea in #2898
• feat: adding support for numpy.real, imag, round, angle, by @tcawlfield in #3053

Bug-fixes and performance

• fix: return ufunc as it is for user defined vectorized funcs by @Saransh-cpp in #3025

Other

• docs: fix styling of icons by @agoose77 in #3042
• docs: add a link to documentation of AwkwardArray in Julia by @ianna in #3052
• ci: Make wheel building workflow reusable by @matthewfeickert in #3016
• test: TEMPORARY edits to get tests working for all PRs: NumPy 2.0 cap and turned off Try-It by @jpivarski in #3057
• chore: keeping CONTRIBUTING.md up to date (take 1) by @jpivarski in #3038
• chore(deps): bump the actions group with 3 updates by @dependabot in #3048
• chore: update pre-commit hooks by @pre-commit-ci in #3050

New Contributors

• @tcawlfield made their first contribution in #3053

Full Changelog: v2.6.2...v2.6.3rc1

Version 2.6.2

New features

• feat: add CUDA kernels that calculate length/sum by @ManasviGoyal in #2992
• feat: add variable length loop kernels by @ManasviGoyal in #3003
• feat: make ak.mean and ak.count differentiable by @Saransh-cpp in #3020

Bug-fixes and performance

• fix: remove redundant(?) Jax.is_tracer_type check in _layout by @Saransh-cpp in #3013
• fix: throw more meaningful error message for non-NumPy buffers by @agoose77 in #3026
• fix: proper typetracer array slicing in BitMaskedArray by @agoose77 in #3028
• fix: ak.flatten on BitMaskedArray by @agoose77 in #3034
• fix: performance of ufunc resolution for non-nominal signatures by @agoose77 in #3030

Other

• test: update tests-cuda to use 'ByteMaskedArray.simplified' by @jpivarski in #3024
• ci: Add nightly upload of wheels to Anaconda Cloud by @matthewfeickert in #3012
• ci: Update scientific-python/upload-nightly-action from 0.3.0 to 0.4.0 by @matthewfeickert in #3031
• ci: Upload nightly wheels to scientific-python-nightly-wheels org by @matthewfeickert in #3032
• chore: update pre-commit hooks by @pre-commit-ci in #3005
• chore: fix ruff warnings by @agoose77 in #3010
• chore: update pre-commit hooks by @pre-commit-ci in #3022
• chore: figuring out how to implement ak.from_cudf by @jpivarski in #3027
• chore: update pre-commit hooks by @pre-commit-ci in #3029
• chore(deps): bump the actions group with 1 update by @dependabot in #3035
• chore(deps): bump the actions group with 2 updates by @dependabot in #3037

Full Changelog: v2.6.1...v2.6.2

Version 2.6.1

The purpose of this release is to provide a lower-bound on the fsspec dependency version (#3006).

New features

(none!)

Bug-fixes and performance

(none!)

Other

• chore(deps): bump the actions group with 2 updates by @dependabot in #3004
• build: set a minimum fsspec version (see #3002) by @jpivarski in #3006

Full Changelog: v2.6.0...v2.6.1

Version 2.6.0

From this point onward, awkward strictly depends on fsspec.

New features

• feat: turn on CUDA unit tests for working kernels and add some CUDA kernels by @ManasviGoyal in #2930
• feat: add string builder by @lobis in #2899
• feat: add to_parquet_row_groups by @zbilodea in #2979
• feat!: array is no longer allowed on NumpyArray and EmptyArray by @jpivarski in #2997

Bug-fixes and performance

• fix: delete header-only/tests/test_1542-array-builder.cpp by @ianna in #2981
• fix: use std::tuple_element_t as an OptionType type alias by @ianna in #2977
• fix: generate error message and tests for CUDA and CPU kernels by @ManasviGoyal in #2989
• fix: ak.merge_union_of_records error message for cases that can't use axis < 0 by @jpivarski in #2995

Other

• test: don't fail fast (so pypy doesn't stop the tests) by @jpivarski in #2956
• test: generate unit tests for cpu and cuda by @ManasviGoyal in #2938
• test: update test_2799 for Numba 0.59.0 by @jpivarski in #2998
• docs: add zonca as a contributor for code by @allcontributors in #2959
• docs: add chrisburr as a contributor for infra by @allcontributors in #2960
• docs: add zbilodea as a contributor for code by @allcontributors in #2961
• docs: add raymondEhlers as a contributor for maintenance by @allcontributors in #2962
• docs: add mloning as a contributor for doc by @allcontributors in #2963
• docs: add kkothari2001 as a contributor for code, and test by @allcontributors in #2964
• docs: add jrueb as a contributor for code by @allcontributors in #2965
• docs: add Moelf as a contributor for doc by @allcontributors in #2966
• docs: update dependencies by @agoose77 in #2986
• chore: update pre-commit hooks by @pre-commit-ci in #2948
• chore(deps): bump the actions group with 3 updates by @dependabot in #2980
• chore: update pre-commit hooks by @pre-commit-ci in #2982
• chore: update pre-commit hooks by @pre-commit-ci in #2991
• chore(deps): bump the actions group with 2 updates by @dependabot in #2990
• chore: fsspec is now a strict (required) dependency by @jpivarski in #2996

New Contributors

• @lobis made their first contribution in #2899

Full Changelog: v2.5.2...v2.6.0

Version 2.5.2

New features

• feat: add some simpler cuda_kernels by @ManasviGoyal in #2880
• feat: add recursive flag to Content.to_packed by @agoose77 in #2933
• feat: configure Julia version and required packages by @ianna in #2896

Bug-fixes and performance

• fix: include header-only files in sdist by @agoose77 in #2909
• fix: touching of unions by @agoose77 in #2906
• fix: lazily project union contents by @agoose77 in #2913
• fix: support typetracer in to_packed for IndexedOptionArray by @agoose77 in #2912
• fix: cartesian nested record by @agoose77 in #2929
• fix: cast bool_ to int8 for positional reducers by @agoose77 in #2935
• fix: ak.std and ak.var for axis != -1. by @jpivarski in #2918

Other

• test: only run test for specific Numba version by @agoose77 in #2921
• test: add PyPy to the test matrix by @jpivarski in #2927
• ci: update actions/(upload|download)-artifact by @agoose77 in #2904
• ci: group dependabot updates by @henryiii in #2914
• ci: fix name of artifacts in deploy-cpp by @agoose77 in #2940
• chore: restore files that generated the type-parser by @jpivarski in #2926
• chore: update pre-commit hooks by @pre-commit-ci in #2915
• chore(deps): bump the actions group with 1 update by @dependabot in #2923

Full Changelog: v2.5.1...v2.5.2

Version 2.5.1

New Features

• feat: add enforce_concatenated_form by @agoose77 in #2860
• feat: add Form.is_equal_to by @agoose77 in #2862
• feat: Implement Indexed builder by @zonca in #2883

Bug Fixes and Performance

• fix: ufunc handling of attrs by @agoose77 in #2837
• fix: only compare scalars in full_like by @agoose77 in #2857
• fix: Array.__getitem__ should set attrs on result by @agoose77 in #2866
• fix: errors in existing cuda_kernels by @ManasviGoyal in #2877
• fix: register Numba in test by @agoose77 in #2879
• fix: failing tests after #2877 by @ManasviGoyal in #2886
• fix: support revertable for concatenate in pyarrow logic by @agoose77 in #2889

Other

• chore: update pre-commit hooks by @pre-commit-ci in #2842
• chore: make the CUDA test configuration more resilient at startup by @agoose77 in #2846
• chore: update pre-commit hooks by @pre-commit-ci in #2850
• chore: formatted kernel-test-data.json for better searching and editing in git. by @jpivarski in #2874
• chore: use tomli by @henryiii in #2882
• chore: appease pylint by @agoose77 in #2890
• chore: update pre-commit hooks by @pre-commit-ci in #2891* chore: only copy non-test headers by @agoose77 in #2893
• chore(deps): bump mymindstorm/setup-emsdk from 12 to 13 by @dependabot in #2847
• chore(deps): bump pypa/gh-action-pypi-publish from 1.8.10 to 1.8.11 by @dependabot in #2855
• chore(deps): bump actions/setup-python from 4 to 5 by @dependabot in #2873
• ci: fix path to header only tests by @zonca in #2851
• ci: compile header only tests in Debug mode by @zonca in #2870
• docs: link to execute JupyterLite full screen by @zonca in #2854
• refactor: split "meta" into Meta by @agoose77 in #2841
• refactor: remove dead code in generate-tests.py by @ManasviGoyal in #2875
• refactor: remove obsolete cuda_kernels by @ManasviGoyal in #2876

New Contributors

• @zonca made their first contribution in #2851

Full Changelog: v2.5.0...v2.5.1

Version 2.5.1rc1

New Features

• feat: add Form.is_equal_to by @agoose77 in #2862
• feat: add enforce_concatenated_form by @agoose77 in #2860

Bug Fixes and Performance

• fix: ufunc handling of attrs by @agoose77 in #2837
• fix: only compare scalars in full_like by @agoose77 in #2857
• fix: Array.__getitem__ should set attrs on result by @agoose77 in #2866

Other

• refactor: split "meta" into Meta by @agoose77 in #2841
• docs: link to execute JupyterLite full screen by @zonca in #2854
• ci: fix path to header only tests by @zonca in #2851
• chore: update pre-commit hooks by @pre-commit-ci in #2842
• chore: make the CUDA test configuration more resilient at startup by @agoose77 in #2846
• chore: update pre-commit hooks by @pre-commit-ci in #2850
• chore(deps): bump mymindstorm/setup-emsdk from 12 to 13 by @dependabot in #2847
• chore(deps): bump pypa/gh-action-pypi-publish from 1.8.10 to 1.8.11 by @dependabot in #2855

New Contributors

• @zonca made their first contribution in #2851

Full Changelog: v2.5.0...v2.5.1rc1