Execution failed: 499 499 status code (no body)

[laeubi]

Describe the bug

During a session, copilot suddenly stopped with

Execution failed: 499 499 status code (no body)

Affected version

Version 0.0.358

Steps to reproduce the behavior

It happened randomly

Expected behavior

I get an error, or Copilot retry if something fails temporary.

Additional context

No response

[thawkins]

I get this same issue with Gemini 3 pro.

[koke1997]

Model call failed: "499 499 status code (no body)" (Request ID: D6C0:958C9:38E345F:4260107:69318631)

I was kicked out from coffee wifi when this happened. Not sure if it is a bug , but there is request id above