Name: Wasmtime
Author: Bytecode Alliance

Wasmtime

Bytecode Alliance·BytecodeAlliance.Wasmtime.Portable

A fast and secure runtime for WebAssembly

Wasmtime is a Bytecode Alliance project that is a standalone wasm-only optimizing runtime for WebAssembly and WASI. It runs WebAssembly code outside of the Web, and can be used both as a command-line utility or as a library embedded in a larger application.

winget install --id BytecodeAlliance.Wasmtime.Portable --exact --source winget

Latest 48.0.1·August 24, 2026

Release Notes

48.0.1

Released 2026-08-24.

Fixed

• Context slots in component compositions are now correctly managed. #14139

• The Host header is now set by default for HTTP requests sent with WASIp2. #14167

Installer type: `zip`

x64—A9CB78E5F2705B35192052026138EE14EEB6983FE2D2AEFED6B0C797F01D1A0F

Details

Homepage: https://wasmtime.dev/
License: Apache-2.0
Publisher: Bytecode Alliance
Support: https://github.com/bytecodealliance/wasmtime/issues
Copyright: Copyright © 2019-2023 the Bytecode Alliance contributors.

Older versions (61)

48.0.0

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47.0.3

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47.0.0

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46.0.1

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46.0.0

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45.0.2

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45.0.1

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45.0.0

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44.0.1

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44.0.0

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43.0.0

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42.0.1

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42.0.0

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40.0.2

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40.0.1

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36.0.9

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17.0.1

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9.0.4

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9.0.3

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