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Finding · flue

Cloudflare WebSocket error handling for session restoration

What Changed

Cloudflare agent WebSockets now return a correlated error frame when persisted session restoration fails before a prompt, improving error visibility.

Operator Implication

Operators can now better diagnose Cloudflare WebSocket session restoration failures through correlated error frames.

Receipt

Finding metadata

Confidence
high
Actionability
observe
Accessibility impact
low

Run: 2026-06-03-weekly-digest-2026-05-28_2026-06-03-frontier-v0

Finding ID: 2026-06-02-flue-v091-error-handling

Source links

Primary links, including exact changelog lines when available.

  1. Flue
    release_noteFrom CHANGELOG.md v0.9.1 (2026-06-02): 'Cloudflare agent WebSockets now return a correlated error frame when persisted session restoration fails before a prompt.'withastro/flue · CHANGELOG.md

Versioned source: run artifact