The Rust compiler has upgraded to LLVM 19, leading to new default target features for WebAssembly. The upcoming Rust 1.82 will include these updates. WebAssembly extends its standard via a proposal process that requires integration into toolchains like LLVM. Notably, LLVM 19 has enabled multi-value and reference-types features by default, influencing Rust's WebAssembly capabilities. Additionally, improved documentation clarifies the relationship between WebAssembly proposals and their target features, enhancing user understanding of these recent changes in the ecosystem.
The Rust compiler has recently upgraded to using LLVM 19, improving default target features for WebAssembly targets. Beta Rust today reflects these updates for testing.
WebAssembly is an evolving standard where extensions are added through proposals. Proposals mature, get merged into the specification, and require toolchain integration for implementation.
In LLVM 19, the multi-value and reference-types proposals have become enabled by default for both LLVM and Rust, enhancing functionality for WebAssembly targets.
Documentation for WebAssembly targets in Rust has improved, providing clarity on proposals and their associated target features, guiding users about the changes.
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