SDK

Anthropic Python SDK 1.0 swaps httpx for httpx2, requires Python 3.10+, and drops temperature and Text Completions. Verified steps to upgrade safely.

What changed in the Claude Agent SDK by October 2026: nested subagents with caps, SessionStore, skills, plugins, structured outputs and permission defaults.

GitHub Copilot SDK for Java adds @CopilotTool annotations, virtual threads, Spring and Jakarta EE composition, and BYOK against any OpenAI-compatible endpoint.

GitHub Copilot SDK is generally available: embed the Copilot agent runtime in your apps across six languages. What changed at GA and what it means for builders.

Claude Agent SDK vs Claude Code explained: same engine, two surfaces. Here is the concrete decision line, plus where Managed Agents fits as the hosted third option.