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Tracking issue for release notes of #151164: Stabilise <code>EULER_GAMMA</code> and <code>GOLDEN_RATIO</code> constants for <code>f32</code> and <code>f64</code>.

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#151189 In rust-lang/rust;

· rustbot opened on Jan 16, 2026

·  

1.94.0

Tracking issue for release notes of #145610: Stabilize <code>char_max_len</code>

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#151141 In rust-lang/rust;

· rustbot opened on Jan 14, 2026

·  

1.93.0

Tracking issue for release notes of #151091: Add new "hide deprecated items" setting in rustdoc

A-rustdoc-jsArea: Rustdoc's JS front-endArea: Rustdoc's JS front-end

A-rustdoc-jsonArea: Rustdoc JSON backendArea: Rustdoc JSON backend

A-rustdoc-searchArea: Rustdoc's search featureArea: Rustdoc's search feature

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

T-rustdoc-frontendRelevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.

Status: Open.

#151133 In rust-lang/rust;

· rustbot opened on Jan 14, 2026

Add new "hide deprecated items" setting in rustdoc

A-rustdoc-jsArea: Rustdoc's JS front-endArea: Rustdoc's JS front-end

A-rustdoc-jsonArea: Rustdoc JSON backendArea: Rustdoc JSON backend

A-rustdoc-searchArea: Rustdoc's search featureArea: Rustdoc's search feature

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

S-waiting-on-authorStatus: This is awaiting some action (such as code changes or more information) from the author.Status: This is awaiting some action (such as code changes or more information) from the author.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

T-rustdoc-frontendRelevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.

Status: Open (in progress).

rust-lang/rustnumber 151091

#151091 In rust-lang/rust;

· GuillaumeGomez opened on Jan 13, 2026

Tracking issue for release notes of #149408: refactor: remove Ord bound from BinaryHeap::new etc

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#151058 In rust-lang/rust;

· rustbot opened on Jan 13, 2026

·  

1.94.0

Tracking issue for release notes of #149868: rustc: Stop passing <code>--allow-undefined</code> on wasm targets

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#151041 In rust-lang/rust;

· rustbot opened on Jan 13, 2026

Tracking issue for release notes of #145915: Stabilize <code>fmt::from_fn</code>

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#150887 In rust-lang/rust;

· rustbot opened on Jan 9, 2026

·  

1.93.0

Tracking issue for release notes of #150777: Stabilize <code>slice::element_offset</code>

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#150815 In rust-lang/rust;

· rustbot opened on Jan 8, 2026

·  

1.94.0

Tracking issue for release notes of #146989: Inhibit all-absent-variant optimization for all enum reprs that inhibit layout optimization, not just repr(C).

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#150774 In rust-lang/rust;

· rustbot opened on Jan 7, 2026

Tracking issue for release notes of #143702: Tracking Issue for <code>peekable_next_if_map</code>

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#150730 In rust-lang/rust;

· rustbot opened on Jan 6, 2026

Tracking issue for release notes of #150032: Use annotate-snippet as default emitter on stable

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-clippyRelevant to the Clippy team.Relevant to the Clippy team.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#150493 In rust-lang/rust;

· rustbot opened on Dec 29, 2025

·  

1.94.0

Tracking issue for release notes of #145948: Stabilize 29 RISC-V target features (<code>riscv_ratified_v2</code>)

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

O-riscvTarget: RISC-V architectureTarget: RISC-V architecture

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-langRelevant to the language teamRelevant to the language team

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#150439 In rust-lang/rust;

· rustbot opened on Dec 27, 2025

·  

1.94.0