0.122.0 (2026-08-13) Full Changelog: v0.121.0...v0.122.0 Features api: add output_behavior to dream creation (create a new memory store or update the input store in place) ( 852c4bb ) Bug Fixes bedrock,aws: run SigV4 signing off the event loop in async clients ( #334 ) ( 2bae6c8 ) bedrock: expose beta.messages.parse, stream and tool_runner ( #366 ) ( 6eca7bb ) client: add models ( 52e9d94 ) client: keep token exchange bound per client across copy() ( #388 ) ( c13e6e3 ) client: read PathLike contents passed inside a file tuple ( 070f953 ) client: treat empty ANTHROPIC_API_KEY / ANTHROPIC_AUTH_TOKEN as unset ( #341 ) ( 76a2e68 ) streaming: add context to malformed tool input JSON errors in the non-beta accumulator ( #339 ) ( a343e17 ) streaming: apply all message_delta fields when accumulating streamed messages ( #380 ) ( fc1599b ) streaming: emit input_json events for server tool use blocks ( #336 ) ( ccfc8e1 ) streaming: keep omitted content block fields unset in accumulated messages ( #346 ) ( cd40aab ) streaming: run the request transform once in messages.stream() ( #347 ) ( 81a92da ) streaming: silence pydantic serializer warnings on message_stop events ( #338 ) ( 41f9cdc ) tools: reject symlink loops in tool paths and skip special skill-archive members ( #322 ) ( 43e8669 ) vertex: expose beta.messages.parse and tool_runner ( #367 ) ( 96723a0 ) Chores ci: run breaking-change detection as a ci.yml job on every push ( 6dfd16e ) examples: update messages_stream.py shebang from rye to uv ( #1519 ) ( 7d72364 ) internal: codegen related update ( 21a0e3d ) internal: drop remaining references to black ( 13df390 ) internal: remove misc things ( d6ee99e ) tests: use pytest monkeypatch and fakes instead of unittest.mock ( 55d246f ) tests: use pytest monkeypatch instead of unittest.mock ( e0c6488 ) Documentation api: clarify that user profile name is optional for resold profiles ( b8f9f61 ) fix fulfillment typos in session runner ( #1795 ) ( 009b035 ) fix incorrect docstrin…
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