Changelog for python3-build: 1.6.0 -> 1.6.1
Source: CHANGELOG.rst

####################
 1.6.1 (2026-09-10)
####################

**********
 Bugfixes
**********

- Avoid trying to detect symlinks on Windows, regression in 1.6.0 - by :user:`henryiii` (:issue:`1175`) (:issue:`1175`)

***************
 Documentation
***************

- Fix doubled backslashes in the Windows pip config path (``%APPDATA%\pip\pip.ini``) in the docs - by :user:`aroh3006`
  (:issue:`1149`)

***************
 Miscellaneous
***************

- :issue:`1168`, :issue:`1170`, :issue:`1178`

- Add ``--sdist-extract-dir`` to extract the intermediate sdist into a persistent directory, enabling compiler cache
  reuse across rebuilds - by :user:`gaborbernat` (:issue:`614`)
- Add ``--env-dir`` to place the isolated build environment at a fixed path, enabling compiler cache reuse across builds
  - by :user:`gaborbernat` (:issue:`655`)
- On build failure, print a tip pointing to ``--env-dir`` and ``--sdist-extract-dir`` for debugging and link to the
  "Debug a failed build" how-to - reported by :user:`dimpase`, implemented by :user:`gaborbernat` (:issue:`966`)
- Reject a file passed as ``--env-dir`` with a clear error instead of a raw ``FileExistsError`` - by :user:`henryiii`
  (:issue:`1100`)
- Fix the Windows symlink support probe always returning ``False`` due to a stale object interpolated into the
  destination path - by :user:`henryiii` (:issue:`1118`)
- Write pip/uv requirements and constraints files with ``\n`` instead of ``os.linesep``, avoiding doubled ``\r\r\n``
  line endings on Windows - by :user:`henryiii` (:issue:`1120`)
  deduplicated set of lines, fixing a case where a hashed requirement (e.g. from ``pip-compile --generate-hashes``)
  could have its ``--hash`` continuation line separated from its requirement line and silently dropped, depending on the
- Deprecate :func:`build.util.project_wheel_metadata`; use ``python -m build --metadata`` instead - by
  :user:`gaborbernat` (:issue:`557`)
- Warn on config settings without a value (e.g. ``-C--my-flag``); use ``-C--my-flag=`` instead for compatibility with
  pip - by :user:`gaborbernat` (:issue:`640`)
- :issue:`1058`, :issue:`1060`, :issue:`1062`, :issue:`1093`, :issue:`1099`, :issue:`1107`, :issue:`1113`,
  :issue:`1117`, :issue:`1122`, :issue:`1124`, :issue:`1128`, :issue:`1132`