microsandbox Releases

Release v0.5.3 focuses on network and security improvements including DNS UDP response delivery fixes, TLS intercept hardening, and secret handling enhancements. CLI additions include copy and rootfs patch commands plus env-backed secret shorthand.

May 30, 2026

Release v0.5.2 is a minor patch release focusing on SDK and runtime fixes including support for long sandbox names in agent sockets and bare IP network destination parsing.

May 28, 2026

Release v0.5.1 is a minor patch that includes agentd in the root workspace, enables SSH feature for release binaries, and adds documentation links to the Go SDK readme.

May 27, 2026

Release v0.5.0 is a major version upgrade introducing the Go SDK with full API parity, live metrics via shared-memory registry, configurable network pools, SSH client/server support, and rotation-aware log streaming. Multiple breaking changes are included.

May 27, 2026

Release v0.4.6 adds DNS query egress policy enforcement, improved secrets handling for Basic auth, and MSB_HOME environment override for build paths. The release also includes stdin improvements for large payload delivery.

May 13, 2026

Release v0.4.5 introduces MSB_HOME environment override for isolated state, database pool improvements with typed read/write pools and retry-on-busy logic, and metrics sampling interval configuration.

May 7, 2026

Release v0.4.4 adds file-first disk snapshots across all SDKs, exec.log capture with boot-error.json, and proper air-gapping when using --no-net. The release also introduces agentd PID 1 handoff to a guest init binary.

May 3, 2026

v0.4.3 is a minor release introducing domain-rule enforcement at DNS, SNI, and policy layers, along with CLI improvements including a new msb alias and inline script support via --script and --script-path flags.

Apr 30, 2026

v0.27.0 fixes a rendering error that occurred when using React Fragments inside SVG elements.

Apr 30, 2026

This is a minor patch release (v0.4.2) focused on maintenance tasks, including refreshing the npm lockfile after the previous release and fixing an npm execution bit issue.

Apr 29, 2026

v0.4.1 is a minor release focused on SDK improvements and bug fixes. The most significant change is a breaking refactor of the Node SDK to use native NAPI classes, along with CLI help text corrections and new glibc version validation in the installer.

Apr 29, 2026

This release introduces significant updates to microsandbox v0.4.0, including a redesigned TypeScript SDK with builder API and bundled binaries, block-backed OCI rootfs support via VMDK + EROFS, and enhanced network policy management with per-rule direction. The release also adds DNS query interception for TCP/53 and DoT/853, host CA trust inside sandbox guests, and improved volume mounting capabilities.

Apr 28, 2026

v0.6.58 implements a stream retry state machine, refactors tools to align with the Ashby API, and fixes bugs related to queue crashes and table canonical IDs.

Apr 25, 2026

v0.6.56 introduces features for viewing subagent logs, integrates AgentPhone, and improves table column auto-resize and file sorting.

Apr 24, 2026

v0.6.55 adds a thinking UI to mothership and separates the realtime application into a standalone app.

Apr 23, 2026

v0.6.54 adds observability tracing to the mothership and improves error logging for migrations.

Apr 22, 2026

This release focuses on fixing documentation URLs and resolving permission group migration errors in the SSO system.

Apr 22, 2026

This release adds Docker image publishing to the release pipeline and introduces CLI entry points for the microsandbox SDK across multiple package managers (cargo, npx, and pipx), making it easier for developers to install and use the tool.

Apr 18, 2026

This release introduces a new Python SDK with pyo3 bindings, adds file-level volume mount support to sandboxes, and includes multiple TLS/MITM proxy fixes. It also removes the `msb shell` command as part of a CLI refactor, while adding new TypeScript SDK features like readStream and metricsStream.

Apr 15, 2026

This is a minor patch release (v0.3.12) for microsandbox that includes a bug fix for run execution options and a filesystem refactor to improve file descriptor handling. The release also introduces a new contributor to the project.

Apr 5, 2026