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+# Changelog
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to semantic versioning.
+
+## [0.0.21] - 2025-07-18
+
+### Changed
+
+- Switched package development typings from `@types/node` 20 to `@types/node` 22.
+
+## [0.0.20] - 2025-04-01
+
+### Changed
+
+- Updated development dependencies: `@types/lodash` from `4.17.15` to `4.17.16` and TypeScript from `5.7.3` to `5.8.2`.
+
+## [0.0.19] - 2025-02-07
+
+### Fixed
+
+- Explicitly marked the package as CommonJS by adding `"type": "commonjs"` to `package.json`.
+
+## [0.0.18] - 2025-02-04
+
+### Changed
+
+- Updated development dependencies: `@types/lodash` from `4.17.13` to `4.17.15` and TypeScript from `5.6.3` to `5.7.3`.
+
+## [0.0.17] - 2024-11-11
+
+### Changed
+
+- Updated `@types/lodash` from `4.17.12` to `4.17.13`.
+- Standardized the package workspace file with the rest of the repository.
+
+### Fixed
+
+- Fixed README typos and standardized licensing text.
+
+## [0.0.16] - 2024-10-21
+
+### Changed
+
+- Updated `@types/lodash` from `4.17.10` to `4.17.12`.
+
+## [0.0.15] - 2024-10-16
+
+### Changed
+
+- Updated TypeScript from `5.6.2` to `5.6.3`.
+
+## [0.0.14] - 2024-10-07
+
+### Changed
+
+- Updated `@types/lodash` from `4.17.9` to `4.17.10`.
+
+## [0.0.13] - 2024-09-26
+
+### Changed
+
+- Reverted package manager metadata from pnpm 9 to pnpm `8.6.2`.
+
+## [0.0.12] - 2024-09-25
+
+### Changed
+
+- Updated development dependencies: `@types/lodash` from `4.17.6` to `4.17.9` and TypeScript from `5.5.3` to `5.6.2`.
+
+## [0.0.11] - 2024-07-18
+
+### Changed
+
+- Updated `@types/yargs` from `^17.0.24` to `^17.0.32`.
+
+## [0.0.10] - 2024-07-02
+
+### Changed
+
+- Updated development dependencies: `@types/lodash` from `4.17.5` to `4.17.6` and TypeScript from `5.4.5` to `5.5.3`.
+
+## [0.0.9] - 2024-06-10
+
+### Changed
+
+- Updated `@types/lodash` from `4.17.4` to `4.17.5`.
+- Renamed the type-check script from `type:check` to `check:type`.
+
+## [0.0.8] - 2024-05-31
+
+### Changed
+
+- Updated development dependencies: `@types/lodash` from `4.17.0` to `4.17.4` and Vitest from `1.5.3` to `1.6.0`.
+
+## [0.0.7] - 2024-05-01
+
+### Changed
+
+- Updated Vitest from `1.5.0` to `1.5.3`.
+- Migrated package manager metadata to pnpm `9.1.0` and pinned the pnpm engine version.
+
+## [0.0.6] - 2024-04-23
+
+### Changed
+
+- Updated development dependencies: `@types/lodash` from `4.14.202` to `4.17.0`, Vitest from `1.3.1` to `1.5.0`, and TypeScript from `5.3.3` to `5.4.5`.
+
+## [0.0.5] - 2024-02-29
+
+### Fixed
+
+- Reverted ESM-only dependency updates by changing `decamelize` from `6.0.0` back to `5.0.1` and `yn` from `^5.0.0` back to `4.0.0`.
+
+### Changed
+
+- Pinned Vitest to `1.3.1`.
+- Added package manager metadata for pnpm `8.6.0+` and engines for Node `>=16.0.0` and pnpm `>=8.6.0 <9`.
+
+## [0.0.4] - 2024-02-28
+
+### Changed
+
+- Migrated tests from Jest to Vitest.
+- Updated development tooling dependencies, including TypeScript `5.3.3`, `@types/lodash` `4.14.202`, and `cross-env` `^7.0.0`.
+- Updated runtime dependencies `decamelize` to `6.0.0` and `yn` to `^5.0.0`.
+- Changed the package license from AGPL-3.0 to MIT.
+- Added a `type:check` script.
+
+## [0.0.3] - 2023-05-12
+
+### Added
+
+- Added support for parsing array options from environment variables in `parseEnv` using whitespace-separated values.
+- Added tests covering environment parsing for strings, numbers, booleans, choices, and array values.
+- Added README usage examples.
+
+### Changed
+
+- Updated `yargs` from `^17.5.1` to `^17.7.2`.
+- Updated development tooling for newer Node and TypeScript versions.
+
+### Fixed
+
+- Fixed README documentation typos.
+
+## [0.0.2] - 2022-06-15
+
+### Fixed
+
+- Moved `@types/yargs` from development dependencies to runtime dependencies so consumers receive yargs typings.
+
+### Changed
+
+- Cleaned up package dependencies while keeping the release on `0.0.2`.
+
+## [0.0.1] - 2022-06-15
+
+### Added
+
+- Initial release of `@bpinternal/yargs-extra`.
+- Added helpers for cleaning argv objects, applying default values, parsing environment variables, parsing typed option values, and inferring yargs schema types.