rust-lang/rfcs

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RFCs for changes to Rust

Stars: 6.6k
Forks: 1.7k
Open beginner issues: 0
Indexed issues: 581
Avg merge: 16h 14m
Merged PRs (30d): 1

Dominant language: Markdown
License: Apache-2.0
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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581 open issues indexed

Postfix macro syntax for methods via opt-in attribute: obj.method!(...) → obj.method(MACRO!(...)) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3904 · 7 comments · 9 reactions · Opened Jan 4, 2026
[pre-RFC] `errdefer` for `try` blocks Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3901 · 5 comments · 7 reactions · Opened Dec 30, 2025
`std::process`: Close all file descriptors not explicitly passed Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3858 · 3 comments · 2 reactions · Opened Sep 20, 2025
Effect System + Crate Permissions? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3856 · 2 comments · 2 reactions · Opened Sep 13, 2025
Lang policy says to have shepherder Open

A-meta T-lang

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rust-lang/rfcs#3798 · 4 reactions · Opened Apr 10, 2025
Pre-RFC: Making macros and consteval dynamic, composable, and recursive Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-lang/rfcs#3785 · 2 comments · 6 reactions · Opened Mar 6, 2025
RFCs 505 and 1574 contain contradictory information about method documentation Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

rust-lang/rfcs#3784 · 2 comments · 2 reactions · Opened Mar 1, 2025
A discussion about the destructive results of not storing Cargo.lock files at publish date Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3774 · 2 comments · 1 reaction · Opened Feb 18, 2025
Closing issues relevant to T-lang on this repo Open

disposition-merge finished-final-comment-period I-lang-radar T-lang to-announce

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3756 · 19 comments · 6 reactions · Opened Jan 1, 2025
Trait sugar syntax for `maker` `trait` and implementing the same maker trait for multiple type Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3732 · 1 comment · 2 reactions · Opened Nov 26, 2024
Introduce pinned places to the language Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3709 · 1 comment · 22 reactions · Opened Oct 7, 2024
Allow `use` in more scopes Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3708 · 1 comment · 3 reactions · Opened Oct 4, 2024
compile_warning! Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3704 · 5 comments · 4 reactions · Opened Oct 1, 2024
Closure-level inline constants Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3687 · 3 comments · 11 reactions · Opened Sep 2, 2024
Allow `self` as an identifier in patterns Open

A-resolve A-syntax T-lang

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3684 · 1 comment · 5 reactions · Opened Aug 26, 2024
Support for inferred return types (`_`) in function signatures Open

T-lang T-types

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3682 · 8 comments · 31 reactions · Opened Aug 23, 2024
Color the `dbg!()` macro Open

T-libs

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3679 · 4 comments · 15 reactions · Opened Aug 15, 2024
I built a tool for RFCs like Rust's Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

rust-lang/rfcs#3677 · 1 comment · 9 reactions · Opened Aug 10, 2024
allow slice patterns to match non-fixed/generic length arrays Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3675 · 6 comments · 3 reactions · Opened Jul 31, 2024
`move` `Copy` values Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3670 · 5 comments · 6 reactions · Opened Jul 9, 2024
First-class compile time type manipulation Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3669 · 14 comments · 75 reactions · Opened Jul 9, 2024
Allow opting out of specific parts of core crate (e.g. core::fmt) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3665 · 13 comments · Opened Jun 24, 2024
Enum of named structs boilerplate Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3661 · 2 comments · Opened Jun 20, 2024
Conditional visibility: for integration testing purpose. Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-lang/rfcs#3656 · 1 comment · 1 reaction · Opened Jun 9, 2024
Named opt-in trait impls Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3611 · 2 comments · 1 reaction · Opened Apr 12, 2024
Float rounding with specified digits Open

T-libs

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3608 · 4 comments · 1 reaction · Opened Apr 10, 2024
Generate an automatic implementation of TryFrom and Into for C-style enums Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-lang/rfcs#3600 · 5 comments · Opened Mar 30, 2024
Better wrapper structs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3596 · 7 comments · 3 reactions · Opened Mar 28, 2024
`const if` to supress instantiation/codegen of unreachable branches Open

T-lang

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3582 · 37 comments · 19 reactions · Opened Mar 7, 2024
Dependency Dashboard Open

not-rfc

Difficulty 1/5 Under an hour Newbie friendliness 30/100

rust-lang/rfcs#3570 · Opened Feb 12, 2024
Shall README include a link to "Frequently requested changes"? Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

rust-lang/rfcs#3563 · 7 reactions · Opened Feb 4, 2024
Remote cargo client/server API/Plugin Architecture for custom package sources Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-lang/rfcs#3561 · 1 reaction · Opened Jan 29, 2024
Dependents of Specific Items In a Crate Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-lang/rfcs#3542 · 1 reaction · Opened Dec 12, 2023
Modify `Arc` and `Rc` so the allocator is moved into the inner allocation Open

T-libs

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3540 · 4 comments · 12 reactions · Opened Dec 11, 2023
Add method or trait impl for converting reference of tuple to tuple of references Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-lang/rfcs#3520 · 2 comments · 5 reactions · Opened Nov 4, 2023
Make code coverage measurement a requirement for Tier 2 (at least) target architectures Open

T-compiler

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3517 · 4 comments · 1 reaction · Opened Oct 18, 2023
Support Private Enum Variants Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-lang/rfcs#3506 · 16 comments · 24 reactions · Opened Oct 6, 2023
Move SliceIndex type parameter to parameters Open

T-libs

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3483 · 3 comments · Opened Sep 5, 2023
Proposal: Introducing the `assert_panic!` Macro for Testing Panic Messages in Rust Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3479 · 8 comments · 9 reactions · Opened Aug 24, 2023
Item inner preludes Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3443 · 2 comments · 4 reactions · Opened Jun 3, 2023
Non-error slicing Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3436 · 8 comments · Opened May 24, 2023
'unsafe' keyword should expect Expression instead '{}' Open

T-lang

Difficulty 5/5 Over a week Newbie friendliness 35/100

rust-lang/rfcs#3431 · 20 comments · 50 reactions · Opened May 10, 2023
Rust doesn't support x₁ and x₂ identifiers while C++ does. Open

T-lang

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3402 · 9 comments · Opened Mar 19, 2023
[Library] enum Fallible on std Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-lang/rfcs#3395 · 12 comments · 18 reactions · Opened Feb 25, 2023
Named patterns for handling large enums Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3385 · 5 comments · 3 reactions · Opened Feb 8, 2023
Adding locks disregarding poison Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3378 · 1 comment · Opened Jan 24, 2023
Making `MutexGuard`, `RwLockReadGuard` & `RwLockWriteGuard` more generic Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

rust-lang/rfcs#3377 · 2 comments · Opened Jan 24, 2023
[Language] for-else and while-else Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3361 · 26 comments · 42 reactions · Opened Dec 27, 2022
RFC 0132 doesn't expand the UFCS acronym Open

Difficulty 1/5 1-3 hours Newbie friendliness 42/100

rust-lang/rfcs#3360 · 6 comments · 4 reactions · Opened Dec 25, 2022
Empower users to control the instantiation of the function body Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rfcs#3357 · 4 comments · Opened Dec 15, 2022

rust-lang/rfcs

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