$ wasmtime-environ
v43.0.0Standalone environment support for WebAssembly code in Cranelift
Latest Update Summary
Crate
Name: wasmtime-environ New version: 42.0.1 Release date: 2026-02-25T21:52:14.581809Z
Crate readme
Short description A standalone runtime for WebAssembly
Long description Wasmtime is a standalone runtime for WebAssembly, optimized for efficient instantiation and secure execution. It supports running WebAssembly components and offers capabilities for interacting with the host environment through the WASI standard. The crate is built on Rust's safety guarantees and undergoes careful review and testing.
Features • Fast • Secure • Configurable • WASI • Standards Compliant
Code Examples Installation Script
curl https://wasmtime.dev/install.sh -sSf | bash
Basic Example
fn main() {
println!("Hello, world!");
}
rustup target add wasm32-wasip2
rustc hello.rs --target wasm32-wasip2
wasmtime hello.wasm
Links • https://wasmtime.dev/ • https://github.com/bytecodealliance/wasmtime/releases • https://docs.wasmtime.dev/cli-install.html • https://docs.wasmtime.dev/stability-release.html#current-versions • https://bytecodealliance.github.io/wasmtime/
https://docs.rs/wasmtime-environ/ https://api.github.com/repos/bytecodealliance/wasmtime/releases/290599990
Release info
Release version:
Release description
Code Examples
Major update: 42.0.1 → 43.0.0
$ DOWNLOADS TREND
$ VERSION HISTORY
$ LINKS
$ INSTALL
cargo add wasmtime-environOr add to Cargo.toml: wasmtime-environ = "43.0.0"