Rust's WASI Targets: What's Changing?

This story was originally published on HackerNoon at: https://hackernoon.com/rusts-wasi-targets-whats-changing.
In this post we'll discuss the introduction of the new targets, the motivation behind it, and what that means for existing WASI targets.
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Rust 1.78 will introduce new `wasm32-wasip1` (tier 2) and `wasms32- wasip2' (tier 3) targets. Users of WASI 0.1 are encouraged to begin migrating to the new** 'wasm 32-wasi' target. The existing `wask32-unknown-unknown' and 'wassam32-emscripten' targets are unaffected by this post.