Cargo
clap
A simple to use, efficient, and full-featured Command Line Argument Parser
argument-parserargument-parsingcommand-linecommand-line-parserparsed-argumentspositional-argumentsrustsubcommands
github.com/clap-rs/clapMITEd Page, Pavan K Sunkara, Kevin K. +121.3M / week16.8k · 1.3k forks · 617 contributors
Release cadenceEvery 5 days
Last releaseSep 14, 2026
Open advisories0
Changelog quality91% curated
GitHub Releases + CHANGELOG, gaps for some releases
Release history SecurityYou're on
377 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionclap 3 → 43.2.25 → 4.6.7Sep 14, 2026 BreakingBreaking26Platform3Deprecated6New71Changed66Fixed156Other46clap 2 → 32.34.0 → 3.2.25Apr 27, 2023 BreakingBreaking65Platform2Deprecated18New82Changed40Fixed92Other18clap 1 → 21.3.2 → 2.34.0Nov 30, 2021 BreakingBreaking10Platform7Deprecated2New158Changed66Fixed196Other128clap 0.11 → 10.11.0 → 1.3.2Sep 8, 2015 BreakingBreaking3New17Changed8Fixed18Other18clap 0.10 → 0.110.10.5 → 0.11.0Jun 17, 2015 BreakingBreaking1Other1clap 0.9 → 0.100.9.2 → 0.10.5Jun 6, 2015 Review neededDeprecated1New3Changed1Fixed3Other2clap 0.8 → 0.90.8.6 → 0.9.2May 20, 2015 Review neededNew3Changed1Fixed2clap 0.7 → 0.80.7.6 → 0.8.6May 17, 2015 Review neededNew9Changed4Fixed9Other4clap 0.6 → 0.70.6.9 → 0.7.6May 5, 2015 Review neededNew6Changed3Fixed8Other1clap 0.5 → 0.60.5.14 → 0.6.9Apr 29, 2015 Unknownclap 0.4 → 0.50.4.18 → 0.5.14Apr 10, 2015 Review neededNew7Changed1Fixed17Other1clap 0.3 → 0.40.3.7 → 0.4.18Mar 28, 2015 UnknownNew2Fixed2Other2
VersionChannelDateChangesSecurity
4.6.7 StableSep 14, 2026New14.6.6 StableAug 6, 2026New14.6.5 StableJul 31, 2026Fixed14.6.4 StableJul 21, 2026Other14.6.3 StableJul 20, 2026Fixed14.6.2 StableJul 15, 2026Fixed14.6.1 StableApr 15, 2026Fixed14.6.0 StableMar 12, 2026Platform14.5.61 youStableMar 12, 2026Other14.5.60 StableFeb 19, 2026Fixed14.5.59 StableFeb 16, 2026Fixed14.5.58 StableFeb 11, 2026No changes listed4.5.57 StableFeb 3, 2026Fixed14.5.56 StableJan 29, 2026Fixed14.5.55 StableJan 27, 2026Fixed14.5.54 StableJan 2, 2026Fixed14.5.53 StableNov 19, 2025New14.5.52 StableNov 17, 2025Fixed14.5.51 StableOct 29, 2025Fixed24.5.50 StableOct 20, 2025New1