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Internal Tracking Issue for Unnormalized migration

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

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

E-mediumCall for participation: Medium difficulty. Experience needed to fix: Intermediate.Call for participation: Medium difficulty. Experience needed to fix: Intermediate.

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

Status: Open.

#155345 In rust-lang/rust;

· lcnr opened on Apr 15, 2026

MGCA: Avoid code duplication between HIR ty lowering and elsewhere

A-HIR-ty-loweringArea: HIR ty lowering (HIR → middle::ty IR)Area: HIR ty lowering (HIR → middle::ty IR)

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

E-needs-designThis issue needs exploration and design to see how and if we can fix/implement itThis issue needs exploration and design to see how and if we can fix/implement it

F-min_generic_const_args`#![feature(min_generic_const_args)]``#![feature(min_generic_const_args)]`

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.

#150621 In rust-lang/rust;

· BoxyUwU opened on Jan 2, 2026

Validate HIR ty lowering's produced generic parameters

A-HIR-ty-loweringArea: HIR ty lowering (HIR → middle::ty IR)Area: HIR ty lowering (HIR → middle::ty IR)

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

E-needs-designThis issue needs exploration and design to see how and if we can fix/implement itThis issue needs exploration and design to see how and if we can fix/implement it

F-min_generic_const_args`#![feature(min_generic_const_args)]``#![feature(min_generic_const_args)]`

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.

#150620 In rust-lang/rust;

· BoxyUwU opened on Jan 2, 2026

expectations from fudging are a mess

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

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

Status: Open.

#149379 In rust-lang/rust;

· lcnr opened on Nov 27, 2025

deduplicate pointer docs with include!

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and tools

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

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.

#139190 In rust-lang/rust;

· lolbinarycat opened on Mar 31, 2025

Improve rustdoc strippers

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

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.

#138168 In rust-lang/rust;

· GuillaumeGomez opened on Mar 7, 2025

Tracking issue for moving rustdoc* tests to appropriate subdirs

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

E-tediousCall for participation: An issue involves lots of work and is better handled as many small tasks.Call for participation: An issue involves lots of work and is better handled as many small tasks.

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.

#136501 In rust-lang/rust;

· lolbinarycat opened on Feb 3, 2025

internal refactoring: cleanup type relations

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

A-type-systemArea: Type systemArea: Type system

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

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-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.

WG-trait-system-refactorThe Rustc Trait System Refactor Initiative (-Znext-solver)The Rustc Trait System Refactor Initiative (-Znext-solver)

Status: Open.

#121159 In rust-lang/rust;

· lcnr opened on Feb 15, 2024

std::sys configurability

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

O-linuxOperating system: LinuxOperating system: Linux

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.

#113410 In rust-lang/rust;

· mkroening opened on Jul 6, 2023

debuginfo: Enums, generators, and async envs have generic arguments at the wrong level

A-debuginfoArea: Debugging information in compiled programs (DWARF, PDB, etc.)Area: Debugging information in compiled programs (DWARF, PDB, etc.)

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

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.

WG-debuggingWorking group: Bad Rust debugging experiencesWorking group: Bad Rust debugging experiences

Status: Open.

#107351 In rust-lang/rust;

· michaelwoerister opened on Jan 27, 2023

Mock environment testing for bootstrap

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

Status: Open.

#102563 In rust-lang/rust;

· tmandry opened on Oct 2, 2022

std panicking implementation comments suggest we might make double-panic not abort

A-technical-debtArea: Internal cleanup workArea: Internal cleanup work

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

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.

#98953 In rust-lang/rust;

· CAD97 opened on Jul 5, 2022