Wasmtime 45.0.2 download

A fast and secure runtime for WebAssembly

This is an older version. The current version is 50.0.1. Wasmtime 50.0.1 · Released: June 15, 2026

Installer files 45.0.2

Architecture	Type	Scope	File size	Download	SHA256
64-bit	MSI	—	—	github.com	VirusTotal

Link and SHA256 come from the Windows Package Manager community manifest. Compare the hash of the downloaded file before running it.

Fixed
- Leak in WASIp1 fd_renumber implementation. GHSA-3p27-qvp9-27qf

Go Programming LanguageAn open source programming language that makes it simple to build secure, scalable systems.
LLVMA collection of modular and reusable compiler and toolchain technologies.
DenoA modern runtime for JavaScript and TypeScript
CMakeCMake is a cross-platform, open-source build system generator.
YarnYarn is a package manager that doubles down as project manager. Whether you work on one-shot projects or large monorepos, as a hobbyist or an enterprise user, we've got you covered.
pnpmFast, disk space efficient package manager.
CcacheCcache is a compiler cache. It speeds up recompilation by caching previous compilations and detecting when the same compilation is being done again.
sbtA build tool for Scala, Java, and more
BOINCOpen-source software for volunteer computing and grid computing.
Dart SDKA set of tools and libraries for the Dart programming language.