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Sweep 29 Sep 2026 · 18:10Z Build v2.1.285 506 read Stable v2.1.280 Latest v2.1.285 Next v2.1.285 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.285 ·

Bedrock connection no longer picks up default credentials on its own

The Bedrock client now passes its options correctly, stops looking up default credentials by itself and identifies itself as AnthropicBedrock/JS

You'll notice Improvements
JSON All of v2.1.285
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
BedrockArea: what it touches
ImprovementsKind: in v2.1.285,
ImprovementsSection of the release
What

Bedrock is Amazon's service for running Claude models. The client that talks to it has changed in three ways:

  • It no longer looks up default credentials automatically.
  • It now passes an empty API key and an optional sign-in token, and passes the rest of its options correctly; before, the wrong set of options was passed along.
  • It now identifies itself to the service as AnthropicBedrock/JS.
Why

This could change how Claude Code signs in to Bedrock, so it is worth watching if you use Bedrock.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhether this client is the one Claude Code uses for your own Bedrock connection is not clear.

See this entry in the whole of v2.1.285 →

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