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wasmer-compiler

7.5.08.7M downloads/mowasmerio/wasmer ↗New releases in your daily digest, changelog included.

Base compiler abstraction for Wasmer WebAssembly runtime

Last release 7 days ago
01 Oct 2026
Ships fairly regularly
a new release about every 2 weeks
Some releases are documented
notes for 17 of 58 stable releases
Nothing withdrawn
no release was ever pulled
6 years old
112 releases · first in 2020

Release timeline

112 releases since 2020

2020202120222023202420252026

20202026

One column per quarter.

Releases

7.5.01 Oct 2026
Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.
Important
For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.5.0"

See full list of changes in the CHANGELOG
Open source →
7.5.0-rc.21 Oct 2026pre-release
Nothing published for this version
7.5.0-rc.1

From the same repository

wasmerio/wasmer

Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.

Important

For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.5.0-rc.1"

See full list of changes in the CHANGELOG

Open source →

7.4.215 Sept 2026

Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.

Important

For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

This release includes:

reliably detect libunwind

See full list of changes in the CHANGELOG

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.4.2"

Open source →

7.4.115 Sept 2026

Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.

Important

For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

This release includes:

env file support added to deploy command

See full list of changes in the CHANGELOG

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.4.1"

Open source →

7.4.031 Aug 2026

Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.

Important

For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

This release includes:

A WASIX import preparation hook.
General N-API improvements, including guest heap growth through the store.
A maximum output-size budget for Singlepass.
An updated static MemoryStyle API, now requiring an 8 GiB memory mapping.

See full list of changes in the CHANGELOG

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.4.0"

Open source →

7.3.021 Aug 2026

Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.

Important

For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

This release adds:

Async JavaScript API with JSPI support.
Experimental artifact format across LLVM, Cranelift, and Singlepass on all Linux targets, including GDB/LLDB profiling support.
Full multi-memory support across all compiler backends.
Multi-value host functions for Cranelift and LLVM.
New CLI capabilities for cronjobs, app CDN cache management, and offline dependency resolution.
C API support for externref and funcref.
Page-granular mmap support through the updated WASIX libc.
Windows support has been removed from the Sys compiler backends, including Singlepass.
LLVM support for the RV32 target has been removed.

See full list of changes in the CHANGELOG

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.3.0"

Open source →

7.3.0-rc.121 Aug 2026pre-release

Install this version of wasmer:

This is a release candidate as we are preparing for the final release of 7.3.

curl https://get.wasmer.io -sSfL | sh -s "v7.3.0-rc.1"

See full list of changes in the CHANGELOG

Open source →

7.2.127 Jul 2026

Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.

Important

For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

This release adds:

Implement externref/funcref reference surface (#6791)

See full list of changes in the CHANGELOG

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.2.1"

Open source →

7.2.030 Jun 2026

Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.

Important

For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

This release adds:

Cranelift Exception Handling on Mach-O (#6712) - EH support extended to macOS.
New CLI package commands: wasmer package show (#6716) and wasmer package search (#6715) for discovering and inspecting packages from the command line.
Experimental interruptable WASM computation (#6075) - ability to interrupt running WebAssembly.
Baremetal trap-handler backend (#6683) - new lightweight trap handler for the VM.
Dropped WAMR and Wasmi backends (#6500) - simplifying the engine ecosystem.
Dropped x86_64-darwin target (#6506) - Apple Silicon-only on macOS going forward.
Better CPU scaling via parallel compilation revamp (#6153) for LLVM and Cranelift.
Singlepass: track maximum stack usage (#6696) - better memory accounting.
Various improvement to the WASIX networking (#6741, #6738, #6718).
LLVM backend upgraded to 22.1 (#6300).
V8 backend resurected and covered in CI (#6673).
Embedded Globals and funcref Table in VMContext (#6290) - layout optimization.

See full list of changes in the CHANGELOG

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.2.0"

Open source →

7.2.0-rc.129 Jun 2026pre-release

Install this version of wasmer:

This is a release candidate as we are preparing for the final release of 7.2.

curl https://get.wasmer.io -sSfL | sh -s "v7.2.0-rc.1"

See full list of changes in the CHANGELOG

Open source →

7.2.0-alpha.31 Jun 2026pre-release

Install this version of wasmer:

This is an alpha candidate as we are preparing for the final release of 7.2.

curl https://get.wasmer.io -sSfL | sh -s "v7.2.0-alpha.3"

See full list of changes in the CHANGELOG

Open source →

7.2.0-alpha.224 Apr 2026pre-release

Install this version of wasmer:

This is an alpha candidate as we are preparing for the final release of 7.2.

curl https://get.wasmer.io -sSfL | sh -s "v7.2.0-alpha.2"

See full list of changes in the CHANGELOG

Open source →

7.2.0-alpha.110 Apr 2026pre-release

Install this version of wasmer:

This is a alpha candidate as we are preparing for the final release of 7.2.

curl https://get.wasmer.io -sSfL | sh -s "v7.2.0-alpha.1"

See full list of changes in the CHANGELOG

Open source →

7.1.027 Mar 2026

Important For packaging purposes, use the provided wasmer-full-source.tar.xz , which includes all required submodules.

Important

For packaging purposes, use the provided wasmer-full-source.tar.xz, which includes all required submodules.

This release adds:

A new N-API interface supporting Edge.js.
Better CPU scaling for the Cranelift and LLVM compilers on larger modules such as PHP and Python workloads.
A substantial overhaul of WASIX TTY support.
A complete rewrite of WASIX epoll.
Tail Call support in the LLVM compiler.
Extended Constant Expression support across all compilers.
Relaxed SIMD support in the LLVM and Cranelift compilers.
Wide Arithmetic support in LLVM and Cranelift.
A redesigned --enable-pass-params-opt optimization for LLVM, now enabled by default.
A new perf annotate-style script for improved profiling.
Easier reproducible distribution builds through the WASMER_REPRODUCIBLE_BUILD=1 environment variable.
A new secret export and secret import subcommands were introduced for easier manipulation with secrets.
Added run --enable-nan-canonicalization.

See full list of changes in the CHANGELOG

Install this version of wasmer:

curl https://get.wasmer.io -sSfL | sh -s "v7.1.0"

Open source →

7.1.0-rc.327 Mar 2026pre-release

Install this version of wasmer:

This is a release candidate as we are preparing for the final release of 7.1.

curl https://get.wasmer.io -sSfL | sh -s "v7.1.0-rc.3"

See full list of changes in the CHANGELOG

Open source →

7.1.0-rc.217 Mar 2026pre-release