microsandbox Releases

This is a minor patch release (v0.3.11) of microsandbox focusing on filesystem module improvements, including bug fixes for symlink xattr operations and refactoring of shared directory snapshot functionality with a new inject_init configuration option.

Apr 4, 2026

This is a patch release (v0.3.10) focused on bug fixes and dependency optimization. The key change is a fix for the CLI's self-update functionality to properly download the latest version bundle, along with disabling SeaORM default features to reduce dependency overhead.

Apr 3, 2026

Release v0.3.9 focuses on API improvements, CLI enhancements, and bug fixes. It introduces simplified exec/attach/image APIs with _with variants, adds per-command exec flags to the msb run command, fixes a macOS filesystem issue with /.vol inode reopening, and improves VM logging by routing to separate guest.log and runtime.log files.

Apr 3, 2026

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.

Apr 1, 2026

Release v0.3.7 of microsandbox shows no detailed changelog information in the provided release notes, containing only a link to the full comparison page on GitHub.

Mar 31, 2026

This is a minor patch release (v0.3.6) that primarily involves a workspace version bump and README documentation updates. No new features or breaking changes are introduced in this release.

Mar 31, 2026

This release adds a new Node.js/TypeScript SDK to the microsandbox project and synchronizes documentation with the implementation. The workspace version is bumped to 0.3.5.

Mar 31, 2026

This release adds ICMP echo relay and gateway ping support to the microsandbox networking capabilities, along with documentation improvements through a new README file.

Mar 29, 2026

v0.3.3 is a substantial release featuring volume management, guest mounts, and new CLI commands including `msb image` subcommands and `msb install/uninstall`. The release adds smoltcp user-space networking, OCI image config inheritance, guest user support, live metrics sampling, and registry authentication, while also refactoring the CLI by merging attach into shell and consolidating the supervisor into the VM process.

Mar 28, 2026

Adds support for vision modality (image input) and migrates LLM API caching from pickle to JSON.

Mar 28, 2026

This release introduces detached sandbox mode for running sandboxes in the background, adds UX improvements including per-layer pull progress bars and CLI quiet mode, and includes a refactoring that replaces SandboxInfo with SandboxHandle while encapsulating ExecOutput.

Mar 21, 2026

This release (v0.3.1) makes the prebuilt option the default and enables automatic installation of runtime dependencies, while also bumping the crates version and pinning the prebuilt download version for consistency.

Mar 20, 2026

Adds a built-in minimal JSX runtime to the library, simplifying the process of rendering JSX content.

Mar 20, 2026

v0.3.0 is a major release of microsandbox that consolidates the workspace into a single crate, introduces a comprehensive networking stack (msbnet), multiple filesystem backends (passthrough, overlay, memfs, dualfs), Go SDK support, and database infrastructure with migrations. This release also adds a guest agent, runtime CLI subcommands, and OCI image pulling support.

Mar 20, 2026

Introduces support for CSS variables within the rendering engine, allowing for more dynamic styling.

Mar 5, 2026

A major feature update adding user avatars and display names, alongside improved Wayland support and mobile terminal improvements.

Mar 5, 2026

Fixes an issue where text positioning was inconsistent when the font embedding feature was disabled.

Mar 3, 2026

Enhances the support for the CSS `object-position` property, giving users better control over object placement.

Mar 3, 2026

Focuses on mobile and desktop UX improvements, including relative mouse mode and floating keyboard buttons, alongside stability fixes.

Jan 9, 2026

Significant improvements to Wayland compatibility and iOS functionality, including file management and TLS configuration options.

Nov 19, 2025