You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Third-Party ProvidersArea: what it touches
ImprovementsKind: in v2.1.285,
ImprovementsSection of the release
What
Claude Code can talk to Claude through third-party providers such as Amazon Bedrock, Mantle and Google Vertex. How it connects to them changed:
The Bedrock, Mantle and Vertex connections now add a shared set of headers (extra labels sent with each request).
If ANTHROPIC_API_KEY is set, its value is sent as an X-Api-Key header, unless a header of that name is already present. This is useful when a gateway sits between Claude Code and the provider.
The checks that test whether Bedrock and Mantle are reachable now report what went wrong, not only yes or no.
The special handling for CLAUDE_CODE_SKIP_AWS_CRED_CACHE, which used to skip the cached AWS credentials, has been replaced by one shared way of looking up AWS credentials.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhether `CLAUDE_CODE_SKIP_AWS_CRED_CACHE` still has any effect, and how the new credential lookup caches credentials, is not clear.
