GitHub Copilot CLI error
Copilot CLI: Error auto updating: Failed to fetch latest release: HttpError: API...
Error auto updating: Failed to fetch latest release: HttpError: API rate limit exceeded for 104.28.229.161. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)Status: Fixed in releaseLast verified 2 documented fixes3 sources
What it means
The update check used unauthenticated GitHub REST API calls and hit the per-IP rate limit, often on shared or NAT networks.
Causes
- The auto-update check made unauthenticated GitHub API requests.
How to fix it
- Fix 1.
Upgrade. GitHub staff member examon: "This has been fixed in v1.0.4. The auto-update check now makes authenticated GitHub API requests, which avoids the unauthenticated rate limit. A fallback was also added for SAML-enforced environments."
- Fix 2.
v1.0.55: "
copilot updateandcopilot versionauthenticate release API requests to avoid rate limit errors in shared-NAT environments". v1.0.57: "Actionable error message shown when GitHub API rate limit is hit duringcopilot update".Terminalcopilot update
More Copilot CLI errors
All 12 Copilot CLI errors✗ No model available. Check policy enablement under GitHub Settings > CopilotStatus: Fixed in releaseYou are not authorized to use this Copilot feature, it requires an enterprise or organization policy to be enabled.Status: By designRequest failed due to a transient API error. Retrying...Status: Open✗ Execution failed: Error: Failed to get response from the AI model; retried 5 times (total retry wait time: 5.927545045390875 seconds) Last error: Unknown errorStatus: Fixed in releaseCAPIError: 400 {"message":"","code":"invalid_request_body"}Status: OpenExecution failed: CAPIError: 400 {"error":{"code":"bad_request","type":"websocket_error","message":"Duplicate item found with id fc_call_ikBrgmi06fcJeO6uIpJJEQbJ. Remove duplicate items from your input and try again."}}Status: Open✗ Model call failed: "Connection error." ✗ Execution failed: CAPIError: Connection error.Status: Fixed in releaseposix_spawnp failureStatus: Fixed in release
Related reading
- GitHub Copilot Agent Metrics Are the Real Product UpdateGitHub Copilot cloud agent updates add usage metrics, session visibility, validation and review quality - the layer teams need to manage agent adoption.
- Claude Code vs Codex vs Copilot CLI: Local Sandboxes ComparedCopilot CLI local sandboxing is GA. How it compares with Claude Code and Codex on defaults, network, credentials, Windows, and what still runs outside.
- GitHub Copilot CLI With Ollama: Local Models and the New SandboxCopilot CLI 1.0.94 finds local Ollama models from /model and ships an OS-level sandbox. Setup, the 4k context trap, and why local is not offline.
- Claude Sonnet 5.5 Developer Guide: Pricing and API ChangesClaude Sonnet 5.5 costs $2/$10 per million tokens, and cache reads fell to $0.10 on October 7 - half of Opus 5.5 on every line. Pricing math and API changes.
- GitHub Copilot's September Reset: Prepaid Seats, One Unified Agent Experience, Balanced Reviews by DefaultGitHub Copilot September changes: prepaid Business and Enterprise seats, one unified agent experience and Balanced reviews by default. What it means for teams.
- GitHub's August 17 Outage: Agent Fleets Need a 4-Hour Local FallbackGitHub's August 17 outage ran 7 hours 47 minutes across PRs, Actions, APIs and Copilot. Why coding agent fleets need a four-hour local fallback.
FAQ
What does "Error auto updating: Failed to fetch latest release: HttpError: API..." mean in Copilot CLI?
The update check used unauthenticated GitHub REST API calls and hit the per-IP rate limit, often on shared or NAT networks.
How do I fix "Error auto updating: Failed to fetch latest release: HttpError: API..."?
There are 2 documented fixes. Start with the first: Upgrade. GitHub staff member examon: "This has been fixed in v1.0.4. The auto-update check now makes authenticated GitHub API requests, which avoids the unauthenticated rate limit. A fallback was also added for SAML-enforced environments."
Is this Copilot CLI error fixed?
Status: Fixed in release. A release fixed this. The affected versions note says where the fix landed. Affected versions: Reported on 0.0.402. Fixed in 1.0.4. Further hardening in 1.0.55 and 1.0.57.
Sources
Last verified against 3 sources: official docs, maintainer replies and release notes.
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