> Each agent runs inside a dedicated microVM with your dev environment

What's a "microVM" and what's the security model here compared to using real virtual machines with actual constraints on breakouts?

Is it marketing fluff?

Incus/LXD has had VM's for a long time now.

    incus launch images:ubuntu/26.04 my-ubuntu-vm --vm
    incus exec my-ubuntu-vm -- bash

It’s real VMs, firecracker style.

That's a full VM. Microvms are much smaller and they start up very very fast. In miliseconds.