2026.03

What’s Changed

API

Improvements

• Add vCPU validation for Firecracker constraints by @dobrac in #1720
• Return template names for assign tag by @dobrac in #1730

Bug Fixes

• Fix: propagate base template as user error by @dobrac in #1717

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Orchestrator

Features

• Swap to gRPC client by @djeebus in #1706
• Parallelize Firecracker start and NBD initialization by @ValentaTomas in #1704
• Add memory prefetching by @dobrac in #1705
• Add zero-allocation fetch copy by @ValentaTomas in #1702

Improvements

• Add additional useful attributes by @djeebus in #1726

Bug Fixes

• Fix: uffd fd close by @dobrac in #1725

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Full Changelog:
2026.02...2026.03