This release includes 1 breaking change for platform teams planning a safe upgrade.
Published 10d
Virtualization
✓ No known CVEs patched
✓ No known CVEs patched in this version
Topics
containers
crun
libkrun
microvm
rust
virtual-machine
Summary
AI summaryExpose docker‑socket bridge via HTTP API, improve VM boot diagnostics, and rename CUDA fork env vars.
Full changelog
What's Changed
- Bump the Nix flake to smolvm 1.6.0 by @BinSquare in https://github.com/smol-machines/smolvm/pull/625
- Fix the pacman repo build so it packages both architectures by @BinSquare in https://github.com/smol-machines/smolvm/pull/626
- Make VM boot failures diagnosable instead of opaque by @BinSquare in https://github.com/smol-machines/smolvm/pull/627
- docs: recommend the unix-socket docker endpoint; document the TCP alternative and its caveats by @BinSquare in https://github.com/smol-machines/smolvm/pull/621
- Add cuda to VmResources for CLI/SDK CUDA-over-vsock by @BinSquare in https://github.com/smol-machines/smolvm/pull/628
- CUDA fork independent serving: copy-on-fork isolation, graph mode, network transport by @BinSquare in https://github.com/smol-machines/smolvm/pull/629
- Detect a stale CUDA guest shim at boot instead of an opaque cuInit failure by @BinSquare in https://github.com/smol-machines/smolvm/pull/630
- feat: expose the docker-socket bridge in the machines HTTP API by @BinSquare in https://github.com/smol-machines/smolvm/pull/631
- Resolve a named config.User to a numeric uid for crun exec (#632) by @BinSquare in https://github.com/smol-machines/smolvm/pull/634
- Warn at launch when CUDA remoting is requested on a host with no usable GPU by @BinSquare in https://github.com/smol-machines/smolvm/pull/635
- CUDA Path 3: address-preserving per-clone-process fork isolation by @BinSquare in https://github.com/smol-machines/smolvm/pull/633
- Bump the workspace to 1.6.1 by @BinSquare in https://github.com/smol-machines/smolvm/pull/641
- Group container tasks under the sandbox shim (fixes containers on containerd 2.2+) by @BinSquare in https://github.com/smol-machines/smolvm/pull/643
- Rebuild the linux libkrun.so with a glibc 2.35 floor and gate it in CI by @BinSquare in https://github.com/smol-machines/smolvm/pull/644
- CUDA Path 3 follow-ups: fork crash fixes, zero-config forkable machines, remote (TCP) clone workers by @BinSquare in https://github.com/smol-machines/smolvm/pull/648
- Route smolmachine pack references through the host-side pack flow instead of the in-guest OCI puller by @BinSquare in https://github.com/smol-machines/smolvm/pull/647
- Stamp pushed smolmachine manifests with the OCI 1.1 artifactType and standard annotations by @BinSquare in https://github.com/smol-machines/smolvm/pull/649
- CUDA fork: release a torn-down golden's VRAM (close leaked export fds) by @BinSquare in https://github.com/smol-machines/smolvm/pull/650
- CUDA fork: fail fast when a clone's worker dies or its lineage is gone by @BinSquare in https://github.com/smol-machines/smolvm/pull/652
- Rename the CUDA fork env vars to describe behavior by @BinSquare in https://github.com/smol-machines/smolvm/pull/653
- release: bundle CUDA shims + smolvm-cuda-run in agent-rootfs by @NickyHeC in https://github.com/smol-machines/smolvm/pull/601
- Stream the pack overlay export to disk by @BinSquare in https://github.com/smol-machines/smolvm/pull/654
- CUDA image machines: run the create workload, and fail fast when no GPU host answers by @BinSquare in https://github.com/smol-machines/smolvm/pull/655
- feat: add --expose-socket and --mount-socket for forwarding arbitrary unix sockets by @BinSquare in https://github.com/smol-machines/smolvm/pull/656
Full Changelog: https://github.com/smol-machines/smolvm/compare/v1.6.0...v1.6.4
Breaking Changes
- Rename CUDA fork environment variables to describe behavior
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About smolvm
Tool to build & run portable, lightweight, self-contained virtual machines.
Related context
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Earlier breaking changes
- v1.0.0 Remove built‑in store; VM now relies on host environment/files only.
Beta — feedback welcome: [email protected]