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Export the derive macro at core::derive and std::derive.

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#766 In rust-lang/libs-team;

· nik-rev opened on Mar 28, 2026

ACP: Saturating conversions between signed and unsigned integers

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#765 In rust-lang/libs-team;

· okaneco opened on Mar 28, 2026

Simple bool Implementation for keepalive, set_keepalive on TcpStream

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#762 In rust-lang/libs-team;

· yungcomputerchair opened on Mar 20, 2026

Add constructor of std::fs::Metadata from struct statx

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#761 In rust-lang/libs-team;

· Darksonn opened on Mar 18, 2026

ACP: Adding exp2_m1

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#760 In rust-lang/libs-team;

· Apersoma opened on Mar 17, 2026

Implement FusedIterator for core::iter::StepBy

ACP-acceptedAPI Change Proposal is accepted (seconded with no objections)API Change Proposal is accepted (seconded with no objections)

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#757 In rust-lang/libs-team;

· mineichen opened on Mar 15, 2026

ACP: Introduce alloc::io

ACP-acceptedAPI Change Proposal is accepted (seconded with no objections)API Change Proposal is accepted (seconded with no objections)

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#755 In rust-lang/libs-team;

· a1phyr opened on Mar 11, 2026

ACP: Add non-panicking versions of Duration::from_{nanos_u128,mins,hours,days,weeks}

ACP-acceptedAPI Change Proposal is accepted (seconded with no objections)API Change Proposal is accepted (seconded with no objections)

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#749 In rust-lang/libs-team;

· Zorbatron opened on Mar 4, 2026

ACP: Opt-in to calling GlobalAlloc in std's internals

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#743 In rust-lang/libs-team;

· Mark-Simulacrum opened on Feb 10, 2026

ACP: add str::version_cmp

ACP-acceptedAPI Change Proposal is accepted (seconded with no objections)API Change Proposal is accepted (seconded with no objections)

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#740 In rust-lang/libs-team;

· lolbinarycat opened on Feb 2, 2026

ACP: add str::from_boxed_utf8 for API consistency

Status: Open.

#737 In rust-lang/libs-team;

· eliminmax opened on Jan 30, 2026

ACP: Document how escape_debug escapes characters.

ACP-acceptedAPI Change Proposal is accepted (seconded with no objections)API Change Proposal is accepted (seconded with no objections)

api-change-proposalA proposal to add or alter unstable APIs in the standard librariesA proposal to add or alter unstable APIs in the standard libraries

T-libs-api

Status: Open.

#735 In rust-lang/libs-team;

· tmccombs opened on Jan 26, 2026