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dependent optional arguments

A-deriveArea: #[derive]` macro APIArea: #[derive]` macro API

A-validatorsArea: ArgMatches validation logiArea: ArgMatches validation logi

C-enhancementCategory: Raise on the bar on expectationsCategory: Raise on the bar on expectations

S-triageStatus: New; needs maintainer attention.Status: New; needs maintainer attention.

Status: Open.

#6258 In clap-rs/clap;

· TheJJ opened on Feb 12, 2026

Out-of-memory panic in environment variable parser

Status: Open.

#6255 In clap-rs/clap;

· jrey8343 opened on Feb 8, 2026

clap help trims .0 from float default values

C-bugCategory: bugCategory: bug

S-triageStatus: New; needs maintainer attention.Status: New; needs maintainer attention.

Status: Open.

#6249 In clap-rs/clap;

· SzilvasiPeter opened on Feb 6, 2026

Strange effect of conflicts_with_all() in clap_derive.

C-bugCategory: bugCategory: bug

S-triageStatus: New; needs maintainer attention.Status: New; needs maintainer attention.

Status: Open.

#6248 In clap-rs/clap;

· Barafu opened on Feb 6, 2026

Allow argument-less <code>default_missing_value</code> attribute

A-deriveArea: #[derive]` macro APIArea: #[derive]` macro API

C-enhancementCategory: Raise on the bar on expectationsCategory: Raise on the bar on expectations

S-blockedStatus: Blocked on something else such as an RFC or other implementation work.Status: Blocked on something else such as an RFC or other implementation work.

Status: Open.

#6229 In clap-rs/clap;

· flying-sheep opened on Jan 21, 2026

Generate help subcommands for child commands

A-helpArea: documentation, including docs.rs, readme, examples, etc...Area: documentation, including docs.rs, readme, examples, etc...

C-enhancementCategory: Raise on the bar on expectationsCategory: Raise on the bar on expectations

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

M-breaking-changeMeta: Implementing or merging this will introduce a breaking change.Meta: Implementing or merging this will introduce a breaking change.

S-triageStatus: New; needs maintainer attention.Status: New; needs maintainer attention.

Status: Open.

#6227 In clap-rs/clap;

· twilight-flower opened on Jan 14, 2026

Flags should only be completed when word starts with <code>-</code> in PowerShell

A-completionArea: completion generatorArea: completion generator

Status: Open.

#6219 In clap-rs/clap;

· MatejKafka opened on Jan 9, 2026

Parsing two var args separated by <code>--</code>

A-parsingArea: Parser's logic and needs it changed somehow.Area: Parser's logic and needs it changed somehow.

C-bugCategory: bugCategory: bug

S-triageStatus: New; needs maintainer attention.Status: New; needs maintainer attention.

Status: Open.

#6200 In clap-rs/clap;

· mkovaxx opened on Dec 20, 2025

Incorrect error message when using the help subcommand with an argument

C-bugCategory: bugCategory: bug

S-triageStatus: New; needs maintainer attention.Status: New; needs maintainer attention.

Status: Open.

#6195 In clap-rs/clap;

· Korne127 opened on Dec 11, 2025

clap always prints short help (even with <code>--help</code>) if all help messages set with #[arg(help = "...")]

A-helpArea: documentation, including docs.rs, readme, examples, etc...Area: documentation, including docs.rs, readme, examples, etc...

C-bugCategory: bugCategory: bug

S-triageStatus: New; needs maintainer attention.Status: New; needs maintainer attention.

Status: Open.

#6187 In clap-rs/clap;

· Sk7Str1p3 opened on Nov 24, 2025

<code>CommandAction</code> analogous with <code>ArgAction</code> allowing Custom "help" subcommand

A-builderArea: Builder APIArea: Builder API

A-parsingArea: Parser's logic and needs it changed somehow.Area: Parser's logic and needs it changed somehow.

C-enhancementCategory: Raise on the bar on expectationsCategory: Raise on the bar on expectations

S-triageStatus: New; needs maintainer attention.Status: New; needs maintainer attention.

S-waiting-on-designStatus: Waiting on user-facing design to be resolved before implementingStatus: Waiting on user-facing design to be resolved before implementing

Status: Open.

#6185 In clap-rs/clap;

· jerusdp opened on Nov 18, 2025

Allow using capturing closures as arguments to the <code>Command::defer</code> function

C-enhancementCategory: Raise on the bar on expectationsCategory: Raise on the bar on expectations

S-waiting-on-decisionStatus: Waiting on a go/no-go before implementingStatus: Waiting on a go/no-go before implementing

Status: Open.

#6179 In clap-rs/clap;

· calebkiage opened on Nov 8, 2025