Bytecode Alliance company blog

WASI 0.3

by Bailey HayesYosh Wuyts bytecodealliance.org published 2026-06-117 min read

WASI 0.3 is official, and async is now native to WebAssembly Components. The WASI Subgroup voted to ratify WASI 0.3.0, rebasing WASI onto the WebAssembly Component Model’s async primitives. The 0.3.0 specification is now stable, and runt...

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Software EngineeringSystems & Performance2026

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