smolvm

v0.8.1 Feature

This release adds 3 notable features for engineering teams evaluating rollout.

Published 2d Virtualization

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

containers crun libkrun microvm rust virtual-machine

Affected surfaces

auth rbac

Summary

AI summary

Updates fix, feat, and agent across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Low	Adds registry authentication support for OCI registries. Adds registry authentication support for OCI registries. Source: llm_adapter@2026-06-01 Confidence: high	—
Feature	Low	Exposes restart policy and healthcheck config in `machine ls` output. Exposes restart policy and healthcheck config in `machine ls` output. Source: llm_adapter@2026-06-01 Confidence: high	—
Feature	Low	Adds proxy configuration flags. Adds proxy configuration flags. Source: llm_adapter@2026-06-01 Confidence: high	—
Feature	Low	Runs an image's OCI ENTRYPOINT/CMD when no command is provided. Runs an image's OCI ENTRYPOINT/CMD when no command is provided. Source: llm_adapter@2026-06-01 Confidence: high	—
Feature	Low	Improves compatibility with existing OCI registries auth clients. Improves compatibility with existing OCI registries auth clients. Source: granite4.1:30b@2026-06-01-audit Confidence: low	—
Bugfix
Bugfix	Medium	Validates machine resources at create time and via JSON input. Validates machine resources at create time and via JSON input. Source: llm_adapter@2026-06-01 Confidence: high	—
Bugfix	Medium	Normalizes on‑disk cache keys for container images. Normalizes on‑disk cache keys for container images. Source: llm_adapter@2026-06-01 Confidence: high	—
Bugfix	Medium	Corrects IPv6 subnet mask from /32 to /128 and handles TCP/53. Corrects IPv6 subnet mask from /32 to /128 and handles TCP/53. Source: llm_adapter@2026-06-01 Confidence: high	—
Bugfix	Medium	Forwards terminal resize events into container exec PTY sessions. Forwards terminal resize events into container exec PTY sessions. Source: llm_adapter@2026-06-01 Confidence: high	—
Bugfix	Medium	Ensures EOF signal to prevent hung execution sessions. Ensures EOF signal to prevent hung execution sessions. Source: llm_adapter@2026-06-01 Confidence: high	—
Bugfix	Medium	Stops a running machine before deletion to avoid orphaned VM processes. Stops a running machine before deletion to avoid orphaned VM processes. Source: llm_adapter@2026-06-01 Confidence: high	—
Bugfix	Low	Fixes machine lifecycle and monitor behavioral bugs. Fixes machine lifecycle and monitor behavioral bugs. Source: granite4.1:30b@2026-06-01-audit Confidence: low	—
Bugfix	Low	Prints cp transfer progress exactly once for small files. Prints cp transfer progress exactly once for small files. Source: granite4.1:30b@2026-06-01-audit Confidence: low	—
Bugfix	Low	Ensures consistent exit codes and validation for stop/data-dir/--image options. Ensures consistent exit codes and validation for stop/data-dir/--image options. Source: granite4.1:30b@2026-06-01-audit Confidence: low	—
Bugfix	Low	Forwards host value for key‑only -e flags and rejects duplicate mount targets. Forwards host value for key‑only -e flags and rejects duplicate mount targets. Source: granite4.1:30b@2026-06-01-audit Confidence: low	—
Bugfix	Low	Reports 128+signal exit code for signal‑killed exec processes. Reports 128+signal exit code for signal‑killed exec processes. Source: granite4.1:30b@2026-06-01-audit Confidence: low	—
Bugfix	Low	Updates stale test expectations after code changes. Updates stale test expectations after code changes. Source: granite4.1:30b@2026-06-01-audit Confidence: low	—

Full changelog

What's Changed

feat: registry auth support by @BinSquare in https://github.com/smol-machines/smolvm/pull/134
feat: compatibility with existing OCI registries auth client by @BinSquare in https://github.com/smol-machines/smolvm/pull/293
fixes: machine lifecycle and monitor behavioral bug fixes by @BinSquare in https://github.com/smol-machines/smolvm/pull/271
feat: expose restart policy and healthcheck config in machine ls output by @graywolf336 in https://github.com/smol-machines/smolvm/pull/294
fix: validate machine resources at create time + json by @BinSquare in https://github.com/smol-machines/smolvm/pull/296
fix: batch of fixes from automated QA testing software by @BinSquare in https://github.com/smol-machines/smolvm/pull/295
fix: ensure EOF signal to prevent hung exec sessios by @BinSquare in https://github.com/smol-machines/smolvm/pull/297
feat: enabling a sponsorship button by @BinSquare in https://github.com/smol-machines/smolvm/pull/302
Add info about installation directory by @ShalokShalom in https://github.com/smol-machines/smolvm/pull/299
feat: better docs and set default dns to use host by @BinSquare in https://github.com/smol-machines/smolvm/pull/305
fix: normalize on-disk cache keys for container images by @BinSquare in https://github.com/smol-machines/smolvm/pull/307
fix: IPv6 /32 -> /128, and TCP/53 by @BinSquare in https://github.com/smol-machines/smolvm/pull/310
fix(agent): forward terminal resize into container exec PTY (supersedes #190) by @LostInBrittany in https://github.com/smol-machines/smolvm/pull/312
feat: adding proxy flags by @BinSquare in https://github.com/smol-machines/smolvm/pull/313
fix: send VEOF twice so PTY exec with unterminated stdin terminates by @BinSquare in https://github.com/smol-machines/smolvm/pull/314
fix: egress tests probe a non-resolver IP so they don't collide with host dns by @BinSquare in https://github.com/smol-machines/smolvm/pull/315
fix: print cp transfer progress exactly once for small files by @BinSquare in https://github.com/smol-machines/smolvm/pull/319
feat: run an image's OCI ENTRYPOINT/CMD when no command is given by @BinSquare in https://github.com/smol-machines/smolvm/pull/320
fix: consistent exit codes and validation for stop/data-dir/--image by @BinSquare in https://github.com/smol-machines/smolvm/pull/321
fix: forward host value for key-only -e and reject duplicate mount targets by @BinSquare in https://github.com/smol-machines/smolvm/pull/322
fix: stop a running machine before delete to avoid orphaned VM process by @BinSquare in https://github.com/smol-machines/smolvm/pull/323
fix: report 128+signal exit code for signal-killed exec processes by @BinSquare in https://github.com/smol-machines/smolvm/pull/324
fix: update two stale test expectations the code moved past by @BinSquare in https://github.com/smol-machines/smolvm/pull/328
fix: don't require libvirglrenderer unless the GPU path runs (Linux) by @BinSquare in https://github.com/smol-machines/smolvm/pull/329

New Contributors

@LostInBrittany made their first contribution in https://github.com/smol-machines/smolvm/pull/312

Full Changelog: https://github.com/smol-machines/smolvm/compare/v0.7.2...v0.8.1

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About smolvm

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

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smolvm

Summary

Changes in this release

What's Changed

New Contributors

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