C ABI Changes for `wasm32-unknown-unknown`

197 · The Rust Programming Language · April 4, 2025, 9:35 a.m.
Rust WebAssembly C ABI software development
Summary
This post discusses the impending changes to the extern 'C' ABI for the wasm32-unknown-unknown target in Rust, detailing its non-standard history and the rationale for transitioning to a standard definition. Highlighting the impact on developers, the article offers guidance for those affected by the ABI change and provides a timeline for the rollout of these updates.
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