Limit core metadata to version 2.2

Author: ofek

backend/src/hatchling/metadata/spec.py

@@ -5,7 +5,7 @@
 if TYPE_CHECKING:
     from hatchling.metadata.core import ProjectMetadata
 
-DEFAULT_METADATA_VERSION = '2.3'
+DEFAULT_METADATA_VERSION = '2.2'
 LATEST_METADATA_VERSION = '2.3'
 CORE_METADATA_PROJECT_FIELDS = {
     'Author': ('authors',),

docs/history/hatchling.md

@@ -18,7 +18,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 - Metadata for the `wheel` target now defaults to the `PKG-INFO` metadata within source distributions
 - Add `dependencies` method to the build hook interface so that hooks can themselves dynamically define dependencies
-- Update the default version of core metadata to 2.3
+- Update the default version of core metadata to 2.2
 - Update SPDX license information to version 3.23
 - Improve error message for when the default heuristics for wheel file inclusion fail
 

docs/plugins/builder/sdist.md

@@ -16,7 +16,7 @@ The builder plugin name is `sdist`.
 
 | Option | Default | Description |
 | --- | --- | --- |
-| `core-metadata-version` | `"2.3"` | The version of [core metadata](https://packaging.python.org/specifications/core-metadata/) to use |
+| `core-metadata-version` | `"2.2"` | The version of [core metadata](https://packaging.python.org/specifications/core-metadata/) to use |
 | `strict-naming` | `true` | Whether or not file names should contain the normalized version of the project name |
 | `support-legacy` | `false` | Whether or not to include a `setup.py` file to support legacy installation mechanisms |
 

docs/plugins/builder/wheel.md

@@ -16,7 +16,7 @@ The builder plugin name is `wheel`.
 
 | Option | Default | Description |
 | --- | --- | --- |
-| `core-metadata-version` | `"2.3"` | The version of [core metadata](https://packaging.python.org/specifications/core-metadata/) to use |
+| `core-metadata-version` | `"2.2"` | The version of [core metadata](https://packaging.python.org/specifications/core-metadata/) to use |
 | `shared-data` | | A mapping similar to the [forced inclusion](../../config/build.md#forced-inclusion) option corresponding to [data](https://peps.python.org/pep-0427/#the-data-directory) that will be installed globally in a given Python environment, usually under `#!python sys.prefix` |
 | `extra-metadata` | | A mapping similar to the [forced inclusion](../../config/build.md#forced-inclusion) option corresponding to extra [metadata](https://peps.python.org/pep-0427/#the-dist-info-directory) that will be shipped in a directory named `extra_metadata` |
 | `strict-naming` | `true` | Whether or not file names should contain the normalized version of the project name |