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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.239 ·

Missing published files get their own 404 message

Asking for a missing file from a published artifact now returns its own 404 message.

You'll notice Improvements
JSON All of v2.1.239
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
ImprovementsKind: in v2.1.239,
ImprovementsSection of the release
What

Asking for a specific file from a published artifact and getting nothing back no longer shows the generic "no such file" text. It reports its own message and returns a 404 to the caller.

Details
  • The message covers both causes: no file is published at that path in the served version, or artifact reads through the session gateway are not enabled for the session.
  • Reported internally as an asset_file_not_found outcome.
Evidence

no file is published at that path in the served version — or artifact reads through the session gateway are not enabled for this session

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.239 →

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