Sourced from commander's releases.

v14.0.1

Fixed

• broken markdown link in README (#2369)

Changed

• improve code readability by using optional chaining (#2394)
• use more idiomatic code with object spread instead of Object.assign() (#2395)
• improve code readability using string.endsWith() instead of string.slice() (#2396)
• refactor .parseOptions() to process args array in-place (#2409)
• change private variadic support routines from ._concatValue() to ._collectValue() (change code from array.concat() to array.push()) (#2410)
• update (dev) dependencies

v14.0.0

Added

• support for groups of options and commands in the help using low-level .helpGroup() on Option and Command, and higher -level .optionsGroup() and .commandsGroup() which can be used in chaining way to specify group title for following option s/commands (#2328)
• support for unescaped negative numbers as option-arguments and command-arguments (#2339)
• TypeScript: add parseArg property to Argument class (#2359)

Fixed

• remove bogus leading space in help when option has default value but not a description (#2348)
• .configureOutput() now makes copy of settings instead of modifying in-place, fixing side-effects (#2350)

Changed

• Breaking: Commander 14 requires Node.js v20 or higher
• internal refactor of Help class adding .formatItemList() and .groupItems() methods (#2328)

v13.1.0

Added

• support a pair of long option flags to allow a memorable shortened flag, like .option('--ws, --workspace') (#2312)

v13.0.0

Added

• support multiple calls to .parse() with default settings (#2299)
• add .saveStateBeforeParse() and .restoreStateBeforeParse() for use by subclasses (#2299)
• style routines like styleTitle() to add color to help using .configureHelp() or Help subclass (#2251)
• color related support in .configureOutput() for getOutHasColors(), getErrHasColors(), and stripColor() (#2251)
• Help property for minWidthToWrap (#2251)
• Help methods for displayWidth(), boxWrap(), preformatted() et al (#2251)

Changed

... (truncated)

Sourced from commander's changelog.

[14.0.1] (2025-09-12)

Fixed

• broken markdown link in README (#2369)

Changed

• improve code readability by using optional chaining (#2394)
• use more idiomatic code with object spread instead of Object.assign() (#2395)
• improve code readability using string.endsWith() instead of string.slice() (#2396)
• refactor .parseOptions() to process args array in-place (#2409)
• change private variadic support routines from ._concatValue() to ._collectValue() (change code from array.concat() to array.push()) (#2410)
• update (dev) dependencies

[14.0.0] (2025-05-18)

Added

• support for groups of options and commands in the help using low-level .helpGroup() on Option and Command, and higher-level .optionsGroup() and .commandsGroup() which can be used in chaining way to specify group title for following options/commands (#2328)
• support for unescaped negative numbers as option-arguments and command-arguments (#2339)
• TypeScript: add parseArg property to Argument class (#2359)

Fixed

• remove bogus leading space in help when option has default value but not a description (#2348)
• .configureOutput() now makes copy of settings instead of modifying in-place, fixing side-effects (#2350)

Changed

• Breaking: Commander 14 requires Node.js v20 or higher
• internal refactor of Help class adding .formatItemList() and .groupItems() methods (#2328)

[13.1.0] (2025-01-21)

Added

• support a pair of long option flags to allow a memorable shortened flag, like .option('--ws, --workspace') (#2312)

[13.0.0] (2024-12-30)

Added

• support multiple calls to .parse() with default settings (#2299)
• add .saveStateBeforeParse() and .restoreStateBeforeParse() for use by subclasses (#2299)
• style routines like styleTitle() to add color to help using .configureHelp() or Help subclass (#2251)
• color related support in .configureOutput() for getOutHasColors(), getErrHasColors(), and stripColor() (#2251)
• Help property for minWidthToWrap (#2251)
• Help methods for displayWidth(), boxWrap(), preformatted() et al (#2251)

... (truncated)

• bd4ae26 Prepare for 14.0.1 release (#2426)
• cb7ae51 Bump actions/setup-node from 4 to 5 (#2422)
• b855083 Update dependencies (#2421)
• 64003ac Bump tsd from 0.32.0 to 0.33.0 (#2419)
• 025ee3f Bump @​eslint/js from 9.32.0 to 9.34.0 (#2417)
• fb2429e Bump prettier from 3.5.3 to 3.6.2 (#2415)
• 6e40543 Bump actions/checkout from 4 to 5 (#2412)
• c635fad Collect variadic with push, add tests (#2410)
• 201d932 Refactor parseOptions to process args in-place (#2409)
• fb65fca Bump eslint from 9.30.1 to 9.32.0 (#2402)
• Additional commits viewable in compare view

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