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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.122

Bedrock Service Tier Support

What

Adds support for the ANTHROPIC_BEDROCK_SERVICE_TIER environment variable, which lets Bedrock users specify a service tier via a custom request header.

Usage
export ANTHROPIC_BEDROCK_SERVICE_TIER="on-demand"
claude
Details
  • When set, the value is passed as the X-Amzn-Bedrock-Service-Tier header on all Bedrock API requests
  • Displayed in the connection info (e.g. /config or status display) as "Bedrock service tier"
Evidence

New env var handling (search for "ANTHROPIC_BEDROCK_SERVICE_TIER") and display label (search for "Bedrock service tier")

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.122 →