2026-07-19 Briefing

A new Proxmox package, pve-microvm, integrates QEMU&rsquo;s microvm machine type for sub-300ms boot times using a 12MB kernel and virtio-only devices. Meanwhile, a developer uncovered two browser push notification bugs: permissions silently reset and a default 60-second time-to-live discarding pushes when the browser closed—fixed by re-granting permission and setting TTL to 86,400 seconds. In…