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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.277 ·

Artifact publishing now gives clearer errors when rate-limited

Publishing an artifact now shows specific messages when it's rate-limited, including retry timing and which step failed

Group of 2 You'll notice Improvements
JSON All of v2.1.277
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Artifact PublishArea: what it touches
ImprovementsKind: in v2.1.277,
ImprovementsSection of the release

What

The artifact publish tool now detects and reports rate-limit (HTTP 429) responses at each stage of publishing, preflight and upload alike, using a new response-checking helper. When a 429 is hit, a new message builder reports:

  • that nothing was published and the request was rate-limited
  • the reserved slug involved
  • which step was refused (for example, staging a publish's copied files)
  • retry-after-based wait-time information, so the user knows when to try again

A distinct 422 'contract is newer than preferred' handshake message was also added for a separate related failure mode.

Why

Previously a rate-limited or conflicting publish attempt likely surfaced as a generic failure. Now the error clearly explains that nothing was published, why, and when it's safe to retry, making it easier to recover from a failed artifact publish.

See this entry in the whole of v2.1.277 →

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