1.2.1 (2024-03-28)

- Avoid error when terminal width is undetectable on Python < 3.11
  (PR pypa#761)

Version 1.1.1

- Fixed invoking outer pip from user site packages
  (PR pypa#746, fixes issue pypa#745)
- Corrected the minimum pip version required to use an outer pip
  (PR pypa#746, fixes issue pypa#745)

Version 1.1.0

- Use external pip if available instead of installing, speeds up environment
  setup with virtualenv slightly and venv significantly.
  (PR pypa#736)
- Stopped injecting `wheel` as a build dependency automatically, in the
  case of missing `pyproject.toml` -- by @webknjaz.
  (PR pypa#716)
- Use `importlib_metadata` on Python <3.10.2 for bugfixes not present in
  those CPython standard libraries (not required when bootstrapping) -- by
  @GianlucaFicarelli.
  (PR pypa#693, fixes issue pypa#692)

build 0.10.0

Replace pep517 dependency with pyproject_hooks, into which pep517 has been renamed (PR pypa#539, Fixes pypa#529)
Change build backend from setuptools to flit (PR pypa#470, Fixes pypa#394)
Dropped support for Python 3.6 (PR pypa#532)

build 0.9.0

- Hide a Python 3.11.0 unavoidable warning with venv (PR pypa#527)
- Fix infinite recursion error in check_dependency with circular
  dependencies (PR pypa#512, Fixes pypa#511)
- Only import colorama on Windows (PR pypa#494, Fixes pypa#493)
- Flush output more often to reduce interleaved output (PR pypa#494)
- Small API cleanup, like better __all__ and srcdir being read only. (PR pypa#477)
- Only use importlib_metadata when needed (PR pypa#401)
- Clarify in printout when build dependencies are being installed (PR pypa#514)

build 0.8.0

- Accept `os.PathLike[str]` in addition to `str` for paths in public
  API (PR pypa#392, Fixes pypa#372)
- Add schema validation for `build-system` table to check conformity
  with PEP 517 and PEP 518 (PR pypa#365, Fixes pypa#364)
- Better support for Python 3.11 (sysconfig schemes PR pypa#434, PR pypa#463, tomllib PR pypa#443, warnings PR pypa#420)
- Improved error printouts (PR pypa#442)
- Avoid importing packaging unless needed (PR pypa#395, Fixes pypa#393)

- Failure to create a virtual environment in the `build.env` module now raises
  `build.FailedProcessError` (PR pypa#442)

build 0.7.0

- Add build.util module with an high-level utility API (PR pypa#340)

build 0.6.0.post1

- Fix compability with Python 3.6 and 3.7 (PR pypa#339, Fixes pypa#338)

build 0.6.0

- Improved output (PR pypa#333, Fixes pypa#142)
- The CLI now honnors NO_COLOR (PR pypa#333)
- The CLI can now be forced to colorize the output by setting the FORCE_COLOR environment variable (PR pypa#335)
- Added logging to build and build.env (PR pypa#333)
- Switch to a TOML v1 compliant parser (PR pypa#336, Fixes pypa#308)

Breaking Changes
----------------

- Dropped support for Python 2 and 3.5.

build 0.5.1

- Fix invoking the backend on an inexistent output directory with multiple levels (PR pypa#318, Fixes pypa#316)
- When building wheels via sdists, use an isolated temporary directory (PR pypa#321, Fixes pypa#320)