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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 v2.1.228 ·

Cloud client registry and error responses with headers

Bedrock and Vertex clients register themselves, and local server errors can now carry response headers.

Under the hood Internal Changes
JSON All of v2.1.228
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
API ClientArea: what it touches
Internal ChangesKind: in v2.1.228,
Internal ChangesSection of the release
What

Bedrock and Vertex clients now add themselves to a module-level set when constructed, and the local server's JSON error helper accepts optional response headers so an error can carry things like an auth challenge.

Evidence

request_id

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

See this entry in the whole of v2.1.228 →

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