v0.3.8

superradcompany/microsandboxv0.3.8Apr 1, 2026by github-actions[bot]

AI Summary

Version 0.3.8 introduces a major rewrite of microsandbox featuring an embeddable SDK, smoltcp networking, and a composable filesystem. This release also includes several bug fixes for filesystem operations, workdir validation, and exec timeout handling.

Key Highlights

Major rewrite with embeddable SDK, smoltcp networking, and composable filesystem
Fixed validation of workdir at sandbox creation
Fixed return of ExecTimeout when execution times out
Resolved zero inode numbers in overlay readdir
Updated crate dependencies and reduced OCI client verbosity

Breaking Changes

The feat! rewrite may introduce breaking changes due to the significant architectural changes (embeddable SDK, smoltcp networking, composable filesystem)

New Features

Embeddable SDK for microsandbox
smoltcp networking support
Composable filesystem implementation

Full Release Notes

## What's Changed
* feat!: rewrite microsandbox with embeddable SDK, smoltcp networking, and composable filesystem by @appcypher in https://github.com/superradcompany/microsandbox/pull/455
* chore(install): update install script url by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/467
* chore(deps): update crate deps + reduce oci client verbosity by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/469
* chore: remove image tags from examples, docs, and CLI help by @appcypher in https://github.com/superradcompany/microsandbox/pull/471
* fix: validate workdir exists at sandbox creation by @toksdotdev in https://github.com/superradcompany/microsandbox/pull/475
* fix: ensure return ExecTimeout when exec timed-out by @Byunk in https://github.com/superradcompany/microsandbox/pull/470
* fix(filesystem): resolve zero inode numbers in overlay readdir by @appcypher in https://github.com/superradcompany/microsandbox/pull/478
* chore: bump microsandbox version to 0.3.8 by @appcypher in https://github.com/superradcompany/microsandbox/pull/479

## New Contributors
* @Byunk made their first contribution in https://github.com/superradcompany/microsandbox/pull/470

**Full Changelog**: https://github.com/superradcompany/microsandbox/compare/v0.3.7...v0.3.8