Version 2.4.0

New features

• feat: Form.expected_from_buffers for names/dtypes ak.from_buffers needs. by @jpivarski in #2660
• feat: support out-of-band buffers in pickling by @agoose77 in #2665
• feat: add touch_data to ak.typetracer by @agoose77 in #2672
• feat: add support for custom picklers by @agoose77 in #2682
• feat!: deprecate forget_length, add parameters to typetracer_with_report by @agoose77 in #2671
• feat!: remove deprecations for 1.4.0 release by @agoose77 in #2688* fix: support placeholders in shape-only routines by @agoose77 in #2652

Bug-fixes and performance

• fix: multiple-output ufuncs e.g. divmod by @agoose77 in #2654
• fix: support unflattening a typetracer-backed array at axis != 0 by @agoose77 in #2657
• fix: fix IPython inspection by @agoose77 in #2658
• fix: using numba.core.errors.Numba<Error> instead of Error in a Numba typing context. by @jpivarski in #2659
• fix: raise error for invalid object in from_dlpack by @agoose77 in #2662
• fix: fix/harden broadcasting through tuples by @agoose77 in #2663
• fix: update string to search for in determing parquet column list separator by @douglasdavis in #2670
• fix: guard broadcast_and_apply from mixed backends by @agoose77 in #2678
• fix: support typetracer in ak.str. operations by @agoose77 in #2679

Other

• chore: update pre-commit hooks by @pre-commit-ci in #2645
• chore: update pre-commit hooks by @pre-commit-ci in #2677
• chore: bump numba and pyarrow test pins by @agoose77 in #2684
• chore: bump C++ standard version by @agoose77 in #2685
• chore(deps): bump aws-actions/configure-aws-credentials from 2 to 3 by @dependabot in #2669
• test: keep testing Windows 32-bit. by @jpivarski in #2681

Full Changelog: v2.3.3...v2.4.0