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v1.12.1

cloudflare/artifact-fsv1.12.1Jul 19, 2026by skyfallsin

AI Summary

A reliability-focused release addressing VNC attachment and display ownership issues.

Key Highlights

  • Restore initial VNC attachment for Xvfb launched with `-displayfd`
  • Preserve per-server display ownership across multi-instance hosts
  • Add `GET /vnc/status` endpoint for attachment and port discovery

New Features

  • Restore initial VNC attachment for Xvfb launched with `-displayfd`
  • Preserve per-server display ownership across multi-instance hosts
  • Reattach x11vnc after browser/Xvfb restarts on the same display
  • Add `GET /vnc/status` for attachment and port discovery
  • Add hermetic watcher coverage and a disposable Linux recovery smoke test

Full Release Notes

## VNC reliability

- Restore initial VNC attachment for Xvfb launched with `-displayfd`.
- Preserve per-server display ownership across multi-instance hosts.
- Reattach x11vnc after browser/Xvfb restarts on the same display.
- Add `GET /vnc/status` for attachment and port discovery.
- Add hermetic watcher coverage and a disposable Linux recovery smoke test.

Includes the VNC work proposed in #4781, #5243, #6549, and #8070. Thanks @Doud-FR, @paranoidi, @modanq, and @luxles.