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Welcome to the Rust Programming Language Internals Forum
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1
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43770
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July 7, 2014
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Rust 1.93.0 pre-release testing
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0
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70
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January 21, 2026
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Adding LaTeX support to rustdoc
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26
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1228
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January 20, 2026
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Propagating custom source annotation to LLVM IR
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1
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106
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January 20, 2026
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Rustdoc: Show if a type has drop glue
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3
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304
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January 20, 2026
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Ternary Operator
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11
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687
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January 19, 2026
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[Idea] A third kind of reference between "mutable" and "immutable" in Rust
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12
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711
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January 19, 2026
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Idea: let closures capture with argument passing semantics
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9
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796
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January 19, 2026
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Unexpected compiler optimisation: archiving your dependencies
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21
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820
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January 18, 2026
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Allow impossible values of slice length to be used as enum discriminant
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3
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320
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January 17, 2026
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Pre-RFC: #[derive] support for arithmetic traits (Add, Sub, Mul, Div) on structs
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22
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1044
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January 16, 2026
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Bridging the Gap Between Rust's Theoretical IR Advantages and Real-World Performance
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6
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434
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January 16, 2026
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Idea: Transitive closures of `Deref[Mut]` (and maybe `Coerce`)?
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1
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128
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January 16, 2026
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"arbitrary_self_types" with dyn compatibility
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6
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223
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January 15, 2026
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Example viewer on docs - self contained examples
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0
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71
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January 15, 2026
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Seeking beta testers for rustup v1.29.0
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5
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550
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January 15, 2026
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The Case for Inverse Coloring (Async by Default)
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10
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748
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January 15, 2026
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The case for fallible shrinking in Vec
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5
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309
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January 15, 2026
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Is it possible to standardize additional config file naming?
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5
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373
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January 15, 2026
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Have single impls with namespaces been discussed?
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0
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145
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January 15, 2026
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Why `Vec` doesn't implement `Unpin` unconditionally like `Box`
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6
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545
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January 13, 2026
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#[repr(align(…))] should allow any constant expression, not just integer literals
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3
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245
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January 13, 2026
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Better codegen for CPU feature detection
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44
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2919
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January 12, 2026
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Support symbol versioning with #[export_name]
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11
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603
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January 11, 2026
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Rustup makes little sense
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38
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1323
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January 17, 2026
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Idea: trait methods with un-overridable implementations
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23
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596
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January 10, 2026
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[Pre-RFC] Fields-projection using Keypaths
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8
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291
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January 10, 2026
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Stabilization proposal: Unsize trait
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9
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620
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January 10, 2026
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[Pre-RFC] Linear algebra primitives (vectors,matrices,...)
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29
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1313
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January 7, 2026
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`[features]` in Cargo.toml should be allowed to have a description
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2
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271
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January 7, 2026
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