Pydantic-settings

What's Changed
* Initialize CLI source on demand. by kschwab in https://github.com/pydantic/pydantic-settings/pull/305
* Fix command line help from `argparse` formatting problem by scottstanie in https://github.com/pydantic/pydantic-settings/pull/307
* Fix issue with nested model uppercase field name in case insensitive mode by hramezani in https://github.com/pydantic/pydantic-settings/pull/309

New Contributors
* scottstanie made their first contribution in https://github.com/pydantic/pydantic-settings/pull/307

**Full Changelog**: https://github.com/pydantic/pydantic-settings/compare/v2.3.1...v2.3.2

What's Changed
* Fix a regression in parsing env value for nested dict by hramezani in https://github.com/pydantic/pydantic-settings/pull/301


**Full Changelog**: https://github.com/pydantic/pydantic-settings/compare/v2.3.0...v2.3.1

What's Changed
* Add environment parsing support for enums. by kschwab in https://github.com/pydantic/pydantic-settings/pull/252
* Improve `explode_env_vars` for better dict handling by hramezani in https://github.com/pydantic/pydantic-settings/pull/261
* add `PyprojectTomlConfigSettingsSource` by ITProKyle in https://github.com/pydantic/pydantic-settings/pull/255
* Fix broken link in AliasChoices class by keenranger in https://github.com/pydantic/pydantic-settings/pull/271
* Update Pydantic by hramezani in https://github.com/pydantic/pydantic-settings/pull/273
* fix: superfluous deep env conflicts with non-dict model leaf by diefans in https://github.com/pydantic/pydantic-settings/pull/276
* fix: a second level of environment nesting expected a dict by diefans in https://github.com/pydantic/pydantic-settings/pull/281
* Fix an issue when inner types of a discriminated union with a callable discriminator were not correctly identified as complex. by jenskeiner in https://github.com/pydantic/pydantic-settings/pull/285
* Fix a bug when we have case insentive field in nested model by hramezani in https://github.com/pydantic/pydantic-settings/pull/294
* Add CLI Settings Source by kschwab in https://github.com/pydantic/pydantic-settings/pull/214

New Contributors
* ITProKyle made their first contribution in https://github.com/pydantic/pydantic-settings/pull/255
* keenranger made their first contribution in https://github.com/pydantic/pydantic-settings/pull/271
* diefans made their first contribution in https://github.com/pydantic/pydantic-settings/pull/276
* jenskeiner made their first contribution in https://github.com/pydantic/pydantic-settings/pull/285

**Full Changelog**: https://github.com/pydantic/pydantic-settings/compare/v2.2.1...v2.3.0

What's Changed
* respect `env_prefix` when `extra` allowed by zzstoatzz in https://github.com/pydantic/pydantic-settings/pull/238
* Replace tomlkit with tomli and remove toml_file_encoding config by hramezani in https://github.com/pydantic/pydantic-settings/pull/236
* Revert "Allow nested env var source to override nested init source." by hramezani in https://github.com/pydantic/pydantic-settings/pull/243

New Contributors
* zzstoatzz made their first contribution in https://github.com/pydantic/pydantic-settings/pull/238

**Full Changelog**: https://github.com/pydantic/pydantic-settings/compare/v2.2.0...v2.2.1

What's Changed
* Fix documentation and update pydantic and pydantic-core dependancies by Xunop in https://github.com/pydantic/pydantic-settings/pull/194
* Correct a typo in README.md by felixonmars in https://github.com/pydantic/pydantic-settings/pull/195
* feat: ignore empty env vars by niventc in https://github.com/pydantic/pydantic-settings/pull/198
* Allow nested env var source to override nested init source. by kschwab in https://github.com/pydantic/pydantic-settings/pull/204
* Fix typo in explode_env_vars() docstring by paytonward6 in https://github.com/pydantic/pydantic-settings/pull/207
* Add support for parsing environment "None" strings to None. by kschwab in https://github.com/pydantic/pydantic-settings/pull/206
* Ensure extra='forbid' is enforced in DotEnvSettingsSource when env_prefix is specified by kjithin in https://github.com/pydantic/pydantic-settings/pull/218
* Fix for JSON on optional nested types. by kschwab in https://github.com/pydantic/pydantic-settings/pull/217
* Improve docs by hramezani in https://github.com/pydantic/pydantic-settings/pull/225
* feat: adding json, yaml and toml sources by Smixi in https://github.com/pydantic/pydantic-settings/pull/211
* Fix dotenv source extra values parsing provided in dotenv file by hramezani in https://github.com/pydantic/pydantic-settings/pull/221
* Update requirements by hramezani in https://github.com/pydantic/pydantic-settings/pull/233
* Prepare release 2.2.0 by hramezani in https://github.com/pydantic/pydantic-settings/pull/232

New Contributors
* Xunop made their first contribution in https://github.com/pydantic/pydantic-settings/pull/194
* felixonmars made their first contribution in https://github.com/pydantic/pydantic-settings/pull/195
* niventc made their first contribution in https://github.com/pydantic/pydantic-settings/pull/198
* kschwab made their first contribution in https://github.com/pydantic/pydantic-settings/pull/204
* paytonward6 made their first contribution in https://github.com/pydantic/pydantic-settings/pull/207
* kjithin made their first contribution in https://github.com/pydantic/pydantic-settings/pull/218
* Smixi made their first contribution in https://github.com/pydantic/pydantic-settings/pull/211

**Full Changelog**: https://github.com/pydantic/pydantic-settings/compare/v2.1.0...v2.2.0

What's Changed
* Fix code for mentioned variable in Settings Management by ikosmala in https://github.com/pydantic/pydantic-settings/pull/146
* Add docs to explain env_prefix does not apply to field alias by hramezani in https://github.com/pydantic/pydantic-settings/pull/147
* Remove old code relatd to optional dotenv by hramezani in https://github.com/pydantic/pydantic-settings/pull/155
* Fix broken links by hramezani in https://github.com/pydantic/pydantic-settings/pull/160
* Add note about nested model should inherit BaseModel by hramezani in https://github.com/pydantic/pydantic-settings/pull/165
* Fix 166 - Add docs for validating default values by stinovlas in https://github.com/pydantic/pydantic-settings/pull/168
* Update links by hramezani in https://github.com/pydantic/pydantic-settings/pull/170
* Fix typo at `Environment variable names` section by iagorrr in https://github.com/pydantic/pydantic-settings/pull/173
* resolve nested code fence line numbering by johndutchover in https://github.com/pydantic/pydantic-settings/pull/182
* Confirm Python 3.12 support by hramezani in https://github.com/pydantic/pydantic-settings/pull/174
* Drop Python 3.7 by hramezani in https://github.com/pydantic/pydantic-settings/pull/188

New Contributors
* ikosmala made their first contribution in https://github.com/pydantic/pydantic-settings/pull/146
* stinovlas made their first contribution in https://github.com/pydantic/pydantic-settings/pull/168
* iagorrr made their first contribution in https://github.com/pydantic/pydantic-settings/pull/173
* johndutchover made their first contribution in https://github.com/pydantic/pydantic-settings/pull/182

**Full Changelog**: https://github.com/pydantic/pydantic-settings/compare/v2.0.3...v2.1.0