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MicroVM hangs during SMP boot with ≥16 vCPUs on dual-socket NUMA hosts

Status: Awaiting authorIndicates that an issue or pull request requires author actionIndicates that an issue or pull request requires author action

Status: Open.

#5744 In firecracker-microvm/firecracker;

· daGoattttt-mehhh opened on Mar 9, 2026

[Feature Request] Asynchronous On-demand FD-passing for virtio-pmem via userfaultfd

Status: Awaiting authorIndicates that an issue or pull request requires author actionIndicates that an issue or pull request requires author action

Status: Open.

#5740 In firecracker-microvm/firecracker;

· joy-allen opened on Mar 7, 2026

Phase out support for kernel v5.10

Priority: MediumIndicates than an issue or pull request should be resolved ahead of issues or pull requests labelledIndicates than an issue or pull request should be resolved ahead of issues or pull requests labelled

Roadmap: TrackedItems tracked on the roadmap project.Items tracked on the roadmap project.

Status: ParkedIndicates that an issues or pull request will be revisited laterIndicates that an issues or pull request will be revisited later

Status: Open.

#5701 In firecracker-microvm/firecracker;

· JamesC1305 opened on Feb 19, 2026

Add support for 6.18 host kernel

Roadmap: TrackedItems tracked on the roadmap project.Items tracked on the roadmap project.

Status: WIPIndicates that an issue is currently being worked on or triagedIndicates that an issue is currently being worked on or triaged

Status: Open.

#5699 In firecracker-microvm/firecracker;

· kalyazin opened on Feb 18, 2026

[Feature Request] Generic vhost-user

Priority: LowIndicates that an issue or pull request should be resolved behind issues or pull requests labelled `Indicates that an issue or pull request should be resolved behind issues or pull requests labelled `

Status: ParkedIndicates that an issues or pull request will be revisited laterIndicates that an issues or pull request will be revisited later

Status: Open.

#5687 In firecracker-microvm/firecracker;

· DemiMarie opened on Feb 17, 2026

[Feature] VFIO device passthrough support

Roadmap: TrackedItems tracked on the roadmap project.Items tracked on the roadmap project.

Status: WIPIndicates that an issue is currently being worked on or triagedIndicates that an issue is currently being worked on or triaged

Type: EnhancementIndicates new feature requestsIndicates new feature requests

Status: Open.

Feature

#5679 In firecracker-microvm/firecracker;

· ShadowCurse opened on Feb 11, 2026

[Feature] Device hot-plugging

Roadmap: TrackedItems tracked on the roadmap project.Items tracked on the roadmap project.

Status: WIPIndicates that an issue is currently being worked on or triagedIndicates that an issue is currently being worked on or triaged

Type: EnhancementIndicates new feature requestsIndicates new feature requests

Status: Open.

Feature

#5670 In firecracker-microvm/firecracker;

· ilstam opened on Feb 4, 2026

[Feature Request] ELF loader support for physical/virtual KASLR

Status: Awaiting authorIndicates that an issue or pull request requires author actionIndicates that an issue or pull request requires author action

Status: Open.

#5661 In firecracker-microvm/firecracker;

· bysui opened on Jan 30, 2026

[Feature Request] Enable OpenSSF Scorecard for continuous supply-chain security monitoring

Status: ParkedIndicates that an issues or pull request will be revisited laterIndicates that an issues or pull request will be revisited later

Status: Open.

#5597 In firecracker-microvm/firecracker;

· amej opened on Dec 23, 2025

[Feature Request] Use landlock for sandboxing VM process

Priority: LowIndicates that an issue or pull request should be resolved behind issues or pull requests labelled `Indicates that an issue or pull request should be resolved behind issues or pull requests labelled `

Status: ParkedIndicates that an issues or pull request will be revisited laterIndicates that an issues or pull request will be revisited later

Status: Open.

#5513 In firecracker-microvm/firecracker;

· arch-hash opened on Nov 17, 2025

[Bug] example rootfs incurs 5s DNS lookup delay

Status: Awaiting authorIndicates that an issue or pull request requires author actionIndicates that an issue or pull request requires author action

Type: BugIndicates an unexpected problem or unintended behaviorIndicates an unexpected problem or unintended behavior

Status: Open.

#5512 In firecracker-microvm/firecracker;

· hanwen-flow opened on Nov 16, 2025

[Feature Request] Documentation

Priority: LowIndicates that an issue or pull request should be resolved behind issues or pull requests labelled `Indicates that an issue or pull request should be resolved behind issues or pull requests labelled `

Status: Awaiting authorIndicates that an issue or pull request requires author actionIndicates that an issue or pull request requires author action

Status: ParkedIndicates that an issues or pull request will be revisited laterIndicates that an issues or pull request will be revisited later

Status: Open.

#5009 In firecracker-microvm/firecracker;

· Shubham-Rasal opened on Jan 22, 2025