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Issues list

Tracking Issue for super let B-experimental Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize). B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC S-tracking-design-concerns Status: There are blocking design concerns. T-lang Relevant to the language team
#139076 opened Mar 28, 2025 by m-ou-se
18 of 29 tasks
4
Tracking Issue for --print=supported-crate-types A-CLI Area: Command-line interface (CLI) to the compiler A-print-requests Area: print requests (`--print=...`) B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138640 opened Mar 18, 2025 by jieyouxu
3 of 5 tasks
1
Tracking Issue for naked_functions_target_feature A-attributes Area: Attributes (`#[…]`, `#![…]`) A-naked Area: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzS A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-naked_functions_target_feature `#![feature(naked_functions_target_feature)]` F-naked_functions `#![feature(naked_functions)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team
#138568 opened Mar 16, 2025 by folkertdev
4 tasks
1
Tracking issue for RFC 3681: Default field values B-RFC-implemented Blocker: Approved by a merged RFC and implemented but not stabilized. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-default_field_values `#![feature(default_field_values)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team
#132162 opened Oct 25, 2024 by estebank
9 of 17 tasks
18
Tracking Issue for mergeable rustdoc cross-crate info B-RFC-implemented Blocker: Approved by a merged RFC and implemented but not stabilized. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#130676 opened Sep 21, 2024 by camelid
1 of 4 tasks
Tracking Issue for offset_of_slice B-experimental Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize). B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-offset_of_slice `#![feature(offset_of_slice)]` S-tracking-needs-to-bake Status: The implementation is "complete" but it needs time to bake. T-lang Relevant to the language team T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#126151 opened Jun 8, 2024 by RalfJung
4 tasks done
Tracking implementation for MC/DC A-code-coverage Area: Source-based code coverage (-Cinstrument-coverage) B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC S-tracking-impl-incomplete Status: The implementation is incomplete. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#124144 opened Apr 19, 2024 by ZhuUx
3 of 4 tasks
32
Tracking Issue for for await loops B-experimental Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize). B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-async_for_loop `#![feature(async_for_loop)]` T-lang Relevant to the language team WG-async Working group: Async & await
#118898 opened Dec 13, 2023 by eholk
5 tasks
1
Tracking Issue for Never Patterns (never_patterns) A-exhaustiveness-checking Relating to exhaustiveness / usefulness checking of patterns B-experimental Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize). B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-never_patterns `#![feature(never_patterns)]` S-tracking-impl-incomplete Status: The implementation is incomplete. T-lang Relevant to the language team
#118155 opened Nov 22, 2023 by Nadrieril
5 tasks
42
Tracking issue for generic const items B-experimental Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize). B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-generic_const_items `#![feature(generic_const_items)]` S-tracking-needs-to-bake Status: The implementation is "complete" but it needs time to bake. T-lang Relevant to the language team
#113521 opened Jul 10, 2023 by fmease
1 of 8 tasks
@fmease
1
Tracking issue for lazy type aliases A-maybe-future-edition Something we may consider for a future edition. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-lazy_type_alias `#![feature(lazy_type_alias)]` S-tracking-impl-incomplete Status: The implementation is incomplete. S-tracking-needs-migration-lint Status: This item needs a migration lint. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#112792 opened Jun 19, 2023 by GuillaumeGomez
2 of 6 tasks
@fmease
5
Tracking Issue for non-lifetime binders B-experimental Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize). B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-non_lifetime_binders `#![feature(non_lifetime_binders)]` S-tracking-impl-incomplete Status: The implementation is incomplete. T-types Relevant to the types team, which will review and decide on the PR/issue.
#108185 opened Feb 17, 2023 by compiler-errors
1 of 4 tasks
9
Tracking Issue for RFC 3216: "Allow using for<'a> syntax when declaring closures" B-RFC-approved Blocker: Approved by a merged RFC but not yet implemented. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-closure_lifetime_binder `#![feature(closure_lifetime_binder)]` S-tracking-needs-summary Status: It's hard to tell what's been done and what hasn't! Someone should do some investigation. T-lang Relevant to the language team T-types Relevant to the types team, which will review and decide on the PR/issue.
#97362 opened May 24, 2022 by pnkfelix
1 of 3 tasks
25
Tracking Issue for Provider API B-RFC-approved Blocker: Approved by a merged RFC but not yet implemented. B-RFC-implemented Blocker: Approved by a merged RFC and implemented but not stabilized. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#96024 opened Apr 13, 2022 by yaahc
1 of 7 tasks
@waynr
53
Tracking Issue for asm_experimental_arch A-inline-assembly Area: Inline assembly (`asm!(…)`) B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-asm `#![feature(asm)]` (not `llvm_asm`)
#93335 opened Jan 26, 2022 by Amanieu
7
Tracking Issue for asm_unwind A-inline-assembly Area: Inline assembly (`asm!(…)`) B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-asm `#![feature(asm)]` (not `llvm_asm`)
#93334 opened Jan 26, 2022 by Amanieu
2
doc_cfg does not have a correct effect on use items referencing other public items B-unstable Blocker: Implemented in the nightly compiler and unstable. C-bug Category: This is a bug. F-doc_cfg `#![feature(doc_cfg)]` T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#85043 opened May 7, 2021 by nagisa
1
Tracking issue for function attribute #[coverage] A-code-coverage Area: Source-based code coverage (-Cinstrument-coverage) B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-lang Relevant to the language team
#84605 opened Apr 27, 2021 by richkadel
1
128
Tracking Issue for backtrace_frames A-error-handling Area: Error handling B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC Libs-Tracked Libs issues that are tracked on the team's project board. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#79676 opened Dec 3, 2020 by seanchen1991
1 of 3 tasks
17
Tracking Issue for remainder methods for str split iterators A-iterators Area: Iterators A-str Area: str and String B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC Libs-Tracked Libs issues that are tracked on the team's project board. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#77998 opened Oct 15, 2020 by WaffleLapkin
2 of 3 tasks
19
Tracking Issue for -Z codegen-backend A-CLI Area: Command-line interface (CLI) to the compiler A-codegen Area: Code generation B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC S-tracking-impl-incomplete Status: The implementation is incomplete. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#77933 opened Oct 14, 2020 by XAMPPRocky
3
static containing UnsafeCell can circumvent const-checking with certain feature gates A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) B-unstable Blocker: Implemented in the nightly compiler and unstable. C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#77353 opened Sep 30, 2020 by ecstatic-morse
@ecstatic-morse
Tracking Issue for const fn type_id A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC Libs-Tracked Libs issues that are tracked on the team's project board. S-tracking-impl-incomplete Status: The implementation is incomplete. T-lang Relevant to the language team T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#77125 opened Sep 23, 2020 by KodrAus
4 tasks
49
Tracking issue for RFC 2963: rustdoc JSON backend A-rustdoc-json Area: Rustdoc JSON backend B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#76578 opened Sep 10, 2020 by Manishearth
3 of 5 tasks
21
Does [T]::array_chunks really need to be an iterator? A-array Area: `[T; N]` B-unstable Blocker: Implemented in the nightly compiler and unstable. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#76354 opened Sep 5, 2020 by scottmcm
17
ProTip! no:milestone will show everything without a milestone.