Releasesby GlyphClaude Agent SDK 0.2.176
Claude Agent SDK 0.2.176 includes an updated bundled Claude CLI version 2.1.316.
Also shipped Oct 31, 2026Anthropic in October 2026 →
astronomer 2.1.3
Astronomer version 2.1.3 includes image updates and bug fixes for the platform.
More from Claude Agent SDKEvery Claude Agent SDK release →
Claude Agent SDK 0.2.175
The Claude Agent SDK has been updated to version 0.2.175, which includes an updated bundled Claude CLI and an increased PyPI project size limit.
Claude Agent SDK 0.2.174
Claude Agent SDK 0.2.174 includes an update to the bundled Claude CLI version 2.1.310.
Claude Agent SDK 0.2.172
Claude Agent SDK 0.2.172 includes an updated bundled Claude CLI version.
Claude Agent SDK 0.2.173
Claude Agent SDK 0.2.173 is available, featuring an updated bundled Claude CLI version 2.1.309.
Claude Agent SDK 0.2.170
Claude Agent SDK 0.2.170 fixes an issue where parallel tool calls were missing from session messages and updates the bundled CLI.
Claude Agent SDK 0.2.171
Internal/Other Changes Updated bundled Claude CLI to version 2.1.307 PyPI: https://pypi.org/project/claude-agent-sdk/0.2.171/ bash pip install claude-agent-sdk==0.2.171
Claude Agent SDK 0.2.169
Documentation Clarified that include_hook_events does not suppress SessionStart and Setup hook events, which the CLI emits regardless of the setting Internal/Other Changes Updated bundled Claude CLI to version 2.1.305 CI: hash-pinned the release build tools (build, twine, wheel, hatchling) so a tampered or unexpected download stops the job PyPI...
Claude Agent SDK 0.2.168
Internal/Other Changes Updated bundled Claude CLI to version 2.1.301 PyPI: https://pypi.org/project/claude-agent-sdk/0.2.168/ bash pip install claude-agent-sdk==0.2.168