Version 2.12.0

What's Changed

New features

• feat: write attrs when writing parquet row groups iteratively by @ikrommyd in #4210
• feat: implement awkward_argsort on the CUDA (cuda.compute) backend by @ianna in #4240
• feat: overflow-safe & numerically-stable ak.var/std/moment/mean/covar/corr via fused two-pass sum-of-squares/powers reducers by @ianna in #4232

Bug-fixes and performance

• fix: Record field assignment mutates shared layouts and stale cppyy cache by @henryiii in #4095
• fix: AwkwardForth VM and libawkward correctness issues by @henryiii in #4105
• fix: undo an assignment that awkward_validation rejects by @ikrommyd in #4212
• fix: overflow-safe stats without needless copies by @ianna in #4223
• fix: Fix Numba lowering for ArrayBuilder.append() with Unicode strings by @ianna in #4249
• perf: Implement native string lowering for Numba layouts and fix silent data corruption by @ianna in #4250

Other

• test: add property-based roundtrip test for to_numpy/from_numpy by @TaiSakuma in #4215
• docs: add summary lines to 5 math/numeric operation docstrings by @TaiSakuma in #4133
• docs: add summary lines to 11 from_* file/format converter docstrings by @TaiSakuma in #4137
• test: add property-based roundtrip test for to_parquet/from_parquet by @TaiSakuma in #4218
• chore: remove Gitter chat and StackOverflow links from README by @ianna in #4213
• docs: add summary lines to 8 misc operation docstrings by @TaiSakuma in #4140
• test: add stability roundtrip test for to_numpy/from_numpy by @TaiSakuma in #4225
• docs: add summary lines to 19 reducer operation docstrings by @TaiSakuma in #4129
• docs: add summary lines to 3 *_like operation docstrings by @TaiSakuma in #4131
• docs: add summary lines to 5 sorting/indexing operation docstrings by @TaiSakuma in #4132
• docs: add summary lines to 10 type/validity operation docstrings by @TaiSakuma in #4135
• test: add property-based roundtrip tests for to_arrow/from_arrow by @TaiSakuma in #4231
• test: add property-based roundtrip tests for to_feather/from_feather by @TaiSakuma in #4239
• test: add property-based roundtrip tests for to_json/from_json by @TaiSakuma in #4245
• docs: move description text out of Examples: sections in merged files by @TaiSakuma in #4234
• chore: stop requiring from __future__ import annotations by @TaiSakuma in #4253

Full Changelog: v2.11.0...v2.12.0