smolvm

v0.6.3 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 22d Virtualization

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

containers crun libkrun microvm rust virtual-machine

ReleasePort's take

Light signal

editorial:auto 13d

Fedora unpack failures caused by missing write permissions are fixed in v0.6.3.

Why it matters: Patch to v0.6.3 immediately if you experience Fedora unpack issues due to permission errors.

AI summary

Fixed Fedora unpack failures caused by missing write permissions.

Type	Severity	Summary	CVE
Feature
Feature	Medium	Update machine configuration ports mounts during stopped state Update machine configuration ports mounts during stopped state Source: llm_adapter@2026-05-21 Confidence: low	—
Feature	Medium	Shorthand shell command executes into machine interactively Shorthand shell command executes into machine interactively Source: llm_adapter@2026-05-21 Confidence: low	—
Feature	Low	Machine configuration can be updated (ports, mounts) while stopped Machine configuration can be updated (ports, mounts) while stopped Source: granite4.1:30b@2026-05-23-audit Confidence: low	—
Bugfix	Medium	Fedora unpacks now work with proper write permissions Fedora unpacks now work with proper write permissions Source: llm_adapter@2026-05-21 Confidence: high	—

Full changelog

fix: fedora unpacks fail due to write permissions by @BinSquare in https://github.com/smol-machines/smolvm/pull/258
feat: update machine configuration during stopped state i.e. ports, mounts by @BinSquare in https://github.com/smol-machines/smolvm/pull/257
feat: short hand shell command to exec into machine with shell by @BinSquare in https://github.com/smol-machines/smolvm/pull/259

Full Changelog: https://github.com/smol-machines/smolvm/compare/v0.6.2...v0.6.3

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About smolvm

Tool to build & run portable, lightweight, self-contained virtual machines.