anthropics/anthropic-sdk-go v1.79.0 on GitHub

1.79.0 (2026-10-07)

api: add claude-haiku-5-5 and typed computer and browser toolset tool calls (1930a5e)
api: add disabled to thinking types in model capabilities (3b88a46)
api: add display_name to RBAC roles and deprecate name (e568369)
api: add include_default parameter to list workspaces (a2acfc6)
api: add lifecycle stage fields and filter to /v1/models (2b3ea06)
api: add line to model objects (24b1d56)
api: add url_sources to the Managed Agents web_fetch tool config (3b88a46)
api: add web search and code execution support to model capabilities (3b88a46)
client: add All() iterators to SSE streams and auto-pagers (b0d7423)

api: send the beta header by default when listing spend limits (b8bcfc7)
auth: require https or loopback at every token endpoint (#431) (3b88a46)
client: percent-encode path params and reject dot-segment values (3b88a46)
client: return the field error when a param union variant fails to decode (a59fef2)
client: send array header params as a single comma-separated header (dace66e)
client: send default and caller-provided array header values in a single header (1ca109c)
environments: keep a local edit made after a memory upload whose response was lost (#441) (3b88a46)
return unmodeled content blocks and citations from ToParam instead of panicking (#436) (3b88a46)

api: keep the MessageParam name and drop generated constructors (3b88a46)
api: mark the Text Completions API as deprecated (3b88a46)
docs: correct example groups in rate limit list description (a489eb3)
docs: correct when usage and cost report data becomes final (3b88a46)
docs: describe a federation rule's target by its type (3b88a46)
docs: fix example IDs in sessions, agents and vault credentials (3b88a46)
docs: update Managed Agents multiagent and thread descriptions (3b88a46)
docs: update the activity summaries endpoint description (86f2da1)
docs: update the description of the Model line field (ad2ed3e)
internal: add REVIEW.md with review instructions (3b88a46)
internal: make mock server spec updates smaller in git history (3b88a46)
internal: move the custom unmarshaler test into the param decode tests (#444) (3b88a46)
tests: run tests skipped for a query param bug that is now fixed (3a8025b)
tests: run tests that an older mock server could not serve (4735a5a)

api: list streaming-only methods in api.md under their real names (3b88a46)
api: state the agent tools limit as 256 (cfd31a5)
beta: point structured-output helper docs at output_config.format (#429) (3b88a46)
client: remove outdated param.Field note from Execute (fce1d47)