jpivarski fixed `to_layout` with `allow_records=False` (v1 and v2): PR 1456.
1.9.0rc2
1.9.0rc1
agoose77 added `ak.is_tuple` (v1 and v2): PR 1351, 1356. Added a `depth_limit` option to `ak.broadcast_arrays` (v1 and v2): PR 1373.
henryiii fixed builds for pypy 3.9: PR 1412.
Ahmad-AlSubaie fixed the Numba extension for an upcoming deprecation: PR 1413.
jpivarski fixed a case of VirtualArray materialization in `ak.with_name`: PR 1346. Made `ak.cartesian` true to its documentation in taking an iterable (potentially unknown `len`) as argument: PR 1364. Fixed a corner-case in reducers (v1 and v2): PR 1378. Fixed bug in sorting due to zero-length shortcuts (v1 and v2): PR 1387.
1.8.0
Just like 1.8.0rc7, but this is not a release candidate. See the release candidates for all the changes with respect to 1.7.0.
The first non-release candidate to drop Python 2.7 and 3.5, and the first to support Python 3.10.
1.8.0rc7
henryiii dropped `wheel` from pyproject.toml: PR 1322. Bumped pybind11 to 2.9.1: PR 1316. Avoided PyPI cuda wheel upload: PR 1313. Removed unnecessary static libraries from wheels: PR 1314.
agoose77 added `optiontype_outside_record` option to `ak.zip`: PR 1308. Fixed typo in ArrayBuilder documentation: PR 1326.
1.8.0rc6
agoose77 and ianna found and fixed an indexing error in LayoutBuilder: PR 1303.
jpivarski fixed lost `behavior` in `ak.unzip` (prompted by Coffea tests of 1.8.0rc5): PR 1301.