📰 Story

v0.1.64

New Features SessionStore adapter : Full SessionStore support at parity with the TypeScript SDK. Includes a SessionStore protocol with 5 methods ( append , load , list_sessions , delete , list_subkeys ), InMemorySessionStore reference implementation, transcript mirroring via --session-mirror , session resume from store, and 9 new async store-backed helper functions ( list_sessions_from_store , get_session_messages_from_store , fork_session_via_store , etc.). Also adds a 13-contract conformance test harness at claude_agent_sdk.testing.run_session_store_conformance for third-party adapter authors ( #837 ) Reference SessionStore adapters : Three copy-in reference SessionStore adapters under examples/session_stores/ — S3 (JSONL part files, mirrors the TS S3 reference), Redis (RPUSH/LRANGE lists + zset index), and Postgres ( asyncpg + jsonb rows). Not shipped in the wheel; users copy the file they need into their project ( #842 ) Internal/Other Changes Updated bundled Claude CLI to version 2.1.116 PyPI: https://pypi.org/project/claude-agent-sdk/0.1.64/ pip install claude-agent-sdk==0.1.64